GolfGTIforum.co.uk
Model specific boards => Golf mk7 => Topic started by: Npr on 16 May 2020, 13:44
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Hi , I bought a used mk7.5 gti at the start of march so have barely driven it. But I find the road noise much louder than my 2016 bmw 320i when at motorway speeds. Any suggestions?
I bought a sound barrier dodo pro barrier mlv under floor in boot and some towels around spare tyre but still quite noisy.Should I get e.g Woolies Sound deadening felt (Saw it recommended by a couple of people)? Fyi it has new michelin pilot sport 4 tyres.also I am useless at diy so don't want to be taking off panels egg or the car will seriously rattle afterwards
I like the car apart from this issue. Will post my thoughts so far another day.
Thank you.
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What driving mode is it in? Sport? Try turning engine sound down in individual mode.
Also check tyre pressures. The Bridgestone's are noisy anyway, but if you drop by a few PSI that may help a little.
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Thanks Will check tyre pressure
. I drive mainly in individual with all set to normal except exhaust in eco.
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Fit the harmonic damper to the rear subframe....
https://www.golfmk7.com/forums/index.php?threads/how-to-retro-fit-the-rear-subframe-harmonic-damper-from-the-audi-a3-saloon-2013.369369/
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Fit the harmonic damper to the rear subframe....
https://www.golfmk7.com/forums/index.php?threads/how-to-retro-fit-the-rear-subframe-harmonic-damper-from-the-audi-a3-saloon-2013.369369/
Wow, I didn’t know that even existed!
That’s the beauty of car forums.
A very interesting read.
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It’s funny, most requests on performance car forums are along the lines of “how can I get more exhaust/induction noise from my GTI/R as it’s too quiet...?”
The GTI is probably one of the quietest hot hatches, especially once the OE Bridgestones have been junked.
A Passat is really far more of a comparison to a 3 series.
The 3er is far more of a motorway cruiser, will probably have more sound insulation and BMW fit and finish generally seems to be a little better than VW’s.
In fact I didn’t realise how much scuttle flex a GTI had until after I’d spent the best part of an hour driving a new M135i over roads I commute on every day of the week.
The mk7(.5) has thinner metal panels than the mk6,5,4 etc which probably contributes to noise transmission into the cabin. No doubt recent cost cutting has included sound deadening too.
I can remember back in the mk1 and mk2 Golf days you could buy kits that were pre-cut to install under the bonnet, on the bulkhead and also under the carpeted areas plus even on the inside of the door panels.
Michelins are reasonably quiet, I’ll assume the car is otherwise standard?
My dad once had a sexy red Cortina GT that began making horrible noises from the engine, his solution was the age old remedy of “turn the radio up and it goes away”
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Something I noticed from my mk7 that carried over to the 7.5 was an awful lot of road noise from the rear. If you think it's bad in the front (and I don't notice it much because I have the radio on all of the time) then try riding in the back...
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Hi , I bought a used mk7.5 gti at the start of march so have barely driven it. But I find the road noise much louder than my 2016 bmw 320i when at motorway speeds. Any suggestions?
I bought a sound barrier dodo pro barrier mlv under floor in boot and some towels around spare tyre but still quite noisy
Did the dodo sound barrier make much difference?
My car is certainly noiser when the parcel shelf is not in place
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Hi , I bought a used mk7.5 gti at the start of march so have barely driven it. But I find the road noise much louder than my 2016 bmw 320i when at motorway speeds. Any suggestions?
I bought a sound barrier dodo pro barrier mlv under floor in boot and some towels around spare tyre but still quite noisy
Did the dodo sound barrier make much difference?
My car is certainly noiser when the parcel shelf is not in place
I think all hatchback cars will be noisier with the parcel shelf removed. I’ve only owned hatchback cars since 1980 (14 in all) and they’ve all been noisier when the parcel shelf isn’t in place.
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Trade it in for an S-Class.
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Trade it in for an S-Class.
:grin:
Hi , I bought a used mk7.5 gti at the start of march so have barely driven it. But I find the road noise much louder than my 2016 bmw 320i when at motorway speeds. Any suggestions?
I bought a sound barrier dodo pro barrier mlv under floor in boot and some towels around spare tyre but still quite noisy.Should I get e.g Woolies Sound deadening felt (Saw it recommended by a couple of people)? Fyi it has new michelin pilot sport 4 tyres.also I am useless at diy so don't want to be taking off panels egg or the car will seriously rattle afterwards
I like the car apart from this issue. Will post my thoughts so far another day.
Thank you.
Thanks Will check tyre pressure
. I drive mainly in individual with all set to normal except exhaust in eco.
OP - Road noise is fairly high in the Golf. Never going to be better than a 3 Series in my opinion.
And the exhaust doesn't change. Its just engine noise you can alter which is the fake noise pumped in.
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Trade it in for an S-Class.
The way they drop in value you could pickup a few year old one :whistle:
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Never heard of anyone wanting to make their car quiter but that sound dampener is pretty good.
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Never heard of anyone wanting to make their car quiter but that sound dampener is pretty good.
If you read the later posts by "Fuelboss", for him to say what he does is quite something. He is over here in UK & created a few websites about the problems on the early MK7 Golf Sachs rear dampers. He also had a few problems with noise from other MK7.5 Golfs & finally has a MK7.5GTI which's he has done loads of sound deadening to etc. As a long shot he tried the damper, not thinking it would do much & was very skeptical..but he's been very surprised!!
When VAG first designed the multilink rear for 2003 MK5 Golf platform (A5 PQ35) it must have found that the subframe had a natural resonance which amplified any noise transmitted through the subframe from the suspension. The engineers then created a "harmonic damper" to cancel out these frequencies in the subframe, by drilling two holes in the subframe & mounting the "balance weight". This part was then given a code starting 1K0 which is the code for the new parts on the MK5 Golf. The part was not put into mass production & first appeared on the MQB platform Audi A3 saloon.
So if all A5 (PQ35) & MQB rear subframes have the two holes drilled for it why was it not fitted until 2013 on the Audi A3??...Bean counters decided not to fit for cheapness on the other cars & the noise was too great on that specific A3 bodyshell for the "premium image" so they fitted it??
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Having had noise issues with my car, I have gone ahead and ordered the 'harmonic damper' and lock nuts from E-Acca
Item No.6:- 1K0 505 563, Balance weight
Item No.7:- N 901 838 03, Hex collar nut self-locking M8 (A03G)
Just under 64 Euros inc delivery
Will see in a few weeks if it makes any difference.
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Having had noise issues with my car, I have gone ahead and ordered the 'harmonic damper' and lock nuts from E-Acca
Item No.6:- 1K0 505 563, Balance weight
Item No.7:- N 901 838 03, Hex collar nut self-locking M8 (A03G)
Just under 64 Euros inc delivery
Will see in a few weeks if it makes any difference.
Have you tried anything else to reduce noise levels?
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Not as yet, at its last service i did complain about the 'rumbling / droning noise' from the rear of the car... to which a wheel bearing was allegedly changed but nothing was noted on the service paperwork and did not appear to make a great deal of indeed any difference.
I will have another go with a local independent at its next service which I will have done just prior to the warranty running out.
Having been reading online, common issues appear to be shocks (mainly MK 7) and VW being stingy on the sound deadening material when they switched from the Mk 7 to 7.5
I also appear to have dissolving lumber padding on the drivers side which I will want looking at. :cry:
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Hi, finally checked my tyre pressure and they were all at 36 or 37 so set them at 36. Have now ordered the parts to have fitted at start of Aug.
AI 1040, did you get yours fitted? Did it reduce the road noise?
Just to clarify some earlier posts- it's the road noise that bothers me. I would like to hear the engine and exhaust more.
But the road noise on some surfaces at 50-70 mph is unacceptable.
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Hi NPR,
I have not fitted yet, they have not arrived... My fault the payment did not go through, only found out when I was checking up on the delivery :embarrassed:
Should be here in a couple of weeks :smiley:
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You could make it into a TCR Caddy?
Know this is off topic but had to plonk it somewhere as stumbled on this today and the things folk do :smiley:
https://www.facebook.com/vagcarsedition/photos/pcb.3063195403771555/3063195173771578 (https://www.facebook.com/vagcarsedition/photos/pcb.3063195403771555/3063195173771578)
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Know this is off topic but had to plonk it somewhere as stumbled on this today and the things folk do :smiley:
https://www.facebook.com/vagcarsedition/photos/pcb.3063195403771555/3063195173771578 (https://www.facebook.com/vagcarsedition/photos/pcb.3063195403771555/3063195173771578)
I have to admit, that's impressive.
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Fit the harmonic damper to the rear subframe....
https://www.golfmk7.com/forums/index.php?threads/how-to-retro-fit-the-rear-subframe-harmonic-damper-from-the-audi-a3-saloon-2013.369369/
Hi and a big thanks to golf Dave!
As detailed on another post I got a clubsport ED40 a couple of months ago.I didn't like the ride on 19s so changed to 18s and ended up putting Ohlins springs and dampers on as well.Brilliant changed the car massively.
After the change THAT noisy rear quieted down a lot......for all of 200 miles then back with a vengeance!
So at least in my case it was not the dampers.
Saw this thread and ordered the parts from my local Audi stealer.
Great result! Noise 75% gone.Still get the thump on bad roads of course but no secondary vibrations at all.Everything sounds tighter and quieter.
That rear noise was a big negative to me...just sounded wrong and really spoilt my enjoyment.
Thanks again golf Dave improved my car massively!
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My damper has just arrived :grin:
Will try to get it fitted over the weekend and let you know :drool:
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Mine will arrive by Monday according to DPD
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Mine will arrive by Monday according to DPD
Where is yours coming from Sooty?
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E-Acca.com
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Thanks 😬
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Are the dampers a simple DIY job, without needing to raise the car? Is there a specific torque requirement for the bolts?
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Think you might need to raise it to gain access to the rear subframe (unless you are super slim - I’m not)
Pretty sure it’s between 18 &23 nm torque.
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You lost me at ‘super slim’ :grin:
Thanks, though, appreciate it.
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Are the dampers a simple DIY job, without needing to raise the car? Is there a specific torque requirement for the bolts?
Quote from the How to Guide I wrote:-
""I do not know what Audi state for the specified torque settings, & VW state 20Nm (14.7lbft) plus 180deg turn when they use the same nut on the rear anti-roll bar drop link. The M8 screw studs are marked “8.8”, so M8 size, grade 8.8 steel on my torque tables state 18.2Nm (13.4lbft) for thorough lubrication, 23Nm (17lbft) for minimal lubrication, & 27Nm (20lbft) for no lubrication (dry). I decided to spray the threads thoroughly with WD-40 & torqued up to 18Nm (13.3lbft)""
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Thanks 'golfdave'... great guide, will have to see if I can squeeze under to get it done tomorrow :undecided:
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Thanks 'golfdave'... great guide, will have to see if I can squeeze under to get it done tomorrow :undecided:
Easy, for a hatch..try it on the estate which is 1ft longer after the rear axle... :grin:
Find a high spot on your driveway or side road parking spot..get the rear axle on the high spot....I know people who have driven one side up & over a kerb & crawled under using the gutter of the road...
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Hi I got the part fitted by the Audi dealer on Saturday and it is slightly better in terms of less noise but was hoping it would be more noticeable ( I don't have any sound proofing). Hoping as a few others have noted, that as I drive more I'll notice the improvement.
However, I've just been under the car and they have not fitted as per your guide (I did print off the guide) but is the other way round i.e. not sitting in the cradle but outside. So when I look from the back of the car I can see the nuts and bolts.Will that affect the results? Would I be best to ask them to refit?
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Have them put it on properly :wink:
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What a fricking nightmare !!!
I ordered my Harmonic Dampener and fixings from E-Acca in Mid July. The goods shipped about 2 weeks ago and were supposed to be delivered on Monday. It never arrived and after checking the tracking number it said "Your parcel could not be delivered, as we don't have the required contact name / number"
After nearly a week of emails back and forth and trying to find a number to speak to a human at DPD, I've finally discovered that they (E-Acca) put the wrong post code on the parcel and it actually got sent to NW10 7HR (which is Wembley area in London). I'm up in Cheshire 200 miles away !!
To add insult to injury, E-Acca kept telling me all week that the "address error" had been corrected and communicated to the UK (which by the way DPD UK tell me is not the case) So I'm now in the position where my part is sat in London and DPD say I can't change the address only E-Acca can, and E-Acca are telling me they have changed the address !!!
How fricking hard can it be to get this bloody delivered !! Rant over.
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What a fricking nightmare !!!
Lets hope you find it all worth it eh ? :wink:
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Hurrah... guess what turned up this morning just as I was leaving for work
(https://live.staticflickr.com/65535/50197474023_cbaf73346d_b.jpg) (https://flic.kr/p/2jtMbb4)
Now to fit it this weekend. Let's hope it was worth the bloody wait !
I'll try and get some before and after photos to show you what it's like.
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Just a quick question. Why do a lot of people seem to be buying this from E-ACCA, is it not easier to get it from the local Audi dealer or are they a lot more expensive?
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My local Audi dealers are a*se holes that why. Mine wouldn't' even entertain me unless I gave them a valid Audi VIN that was compatible with this product. I know that some Audi dealers are much better than others.
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My local Audi dealers are a*se holes that why. Mine wouldn't' even entertain me unless I gave them a valid Audi VIN that was compatible with this product. I know that some Audi dealers are much better than others.
:grin: Thought that might be one of the reasons to be honest :grin:
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Yea VW are doing that for a simple oil filter now I had the part number for.
I told them I do not have the VIN or know the registration number so the guy walked out to look at my car. Maybe I should have told him I had come in the wifes BMW? :grin: He eventually gave me the oil filter.
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I just ordered the damper through audi Solihull, will be here later this week and came to about £62 including the nuts.
Seems like some dealers are helpful!
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Is there any feedback confirming Dave's improvements achieved by fitting the damper?
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Jury is still out for me if it's made much of a difference, but I need to drive the car on a variety of surfaces to give a proper verdict.
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Just fitted this, I agree with Sootchucker, unsure if it makes much change.
Initial drive it thought it did, but second drive this morning not so sure, i think there is a subtle improvement, but nothing huge.
Thankfully for me, it was only £50 quid as i got full trade discount and it's a 5 minute fit.
Will give it a few more days over different surfaces.
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Fitted my damper following research into issues prior to purchase.
There is definitely an issue and Vw know this hence why there is a part to help resolve it.
However,I can’t give a before and after because I fitted mine at 500 miles,the thought being i’d try to rectify any potential issues straight away.
Have you torqued it up correctly as per ‘golfdaves’ how to?-that guy seems to be the forums resident expert.
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Yeah, actually that's quite an important point as I guess if it isn't torqued up properly then the "studs" on the dampener can move about in the sub frame holes, totally defeating the purpose of the unit in the first place.
Pretty sure I torqued mine up properly but I'm (hopefully) going back under the car this weekend as I managed to bag the exhaust tunnel forward cover and the exhaust rear cover (near the fuel tank) for a great price (£20 for both including all fittings - brand new), so will give these a go at the weekend and re-check the dampener whist I'm at it.
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That’s a great price,where was that from?
Did the rear tray come with the bracket that needs attaching to the bodywork 1st?
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Yep, EBay, a project someone started but never got round to fitting.
I'll get some photos up when done (if it doesn't rain at the weekend)
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Update from me on the harmonic damper now its been on week and I've done a few miles with it.
For me, it does make an improvement to the suspension noise, from the rear sub- frame, noises are more subdued and it just seems a little more solid.
Road / tyre noise, again i think there is a very slight improvement but very much dependant on road surface, on quiet surfaces, it seems to be even quieter, however on noisy surfaces it doesn't seem to have had that much of an effect, i guess down to noise frequency and how it transmits through the car.
Only solution i see for that is sound deadening, expensive :sad: or turn up the audio, :smiley: free, which is what i will continue to do. :grin:
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Only solution i see for that is....
https://en.m.wikipedia.org/wiki/No_Sleep_%27til_Hammersmith
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I’ve been doing a spot of sound insulting. Fitted the harmonic damper and bought 2 packs of Noico 80 mil insulation and a roller (from Amazon) for £45. There was enough to cover the boot floor, rear arches and under the rear seat pad. Didn’t take long, quite enjoyed the job actually!
I was going to test it all out on a trip to the New Forest this week but we took the bikes and the Defender instead. After 2.5 hours in that thing, the golf will be the pinnacle of tranquility regardless of how effective the insulation is!
Now wondering if I put the Noico in the wrong vehicle...
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hi lamLee, what's your verdict. Did the noico help? Did you add anything else on top like foam or a MLV barrier. I'm thinking of having to install noico.
What tyres are you on? Mine are PS4 and awful drone/noise on all but smooth surfaces at 50mph+
Thanks
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Hi Npr, its made an amazing difference, it’s like a different car (and I never thought it was that noisy to begin with). I added close cell foam on top of the noico to the rear bench area. I didn’t put foam on top in the boot because I have the dynaudio sub and thought it may impact the sound. The speakers sounds even better now and the doors shut like a tank!
The overall cost is low at about £120 for the damper and insulation and as I own and not lease, I didn’t mind spending on it. It took roughly 6 hours to do it all.
I’m running the factory tyres on 18s.
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Thanks lam Lee, that is good to know.
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Fit the harmonic damper to the rear subframe....
https://www.golfmk7.com/forums/index.php?threads/how-to-retro-fit-the-rear-subframe-harmonic-damper-from-the-audi-a3-saloon-2013.369369/
Omg I bought a 2014 GTi at the end of last year and have a rattle from the rear over small bumps too. Sounds like the spare wheel is loose in the boot and jumping around. I had no idea about this apparent issue with these cars before buying so I'm hoping it's not that noise they describe and something easier to fix. I was waiting for my first service/MOT to see if they could see anything causing the noise
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Fit the harmonic damper to the rear subframe....
https://www.golfmk7.com/forums/index.php?threads/how-to-retro-fit-the-rear-subframe-harmonic-damper-from-the-audi-a3-saloon-2013.369369/
Omg I bought a 2014 GTi at the end of last year and have a rattle from the rear over small bumps too. Sounds like the spare wheel is loose in the boot and jumping around. I had no idea about this apparent issue with these cars before buying so I'm hoping it's not that noise they describe and something easier to fix. I was waiting for my first service/MOT to see if they could see anything causing the noise
Rear seat catches? Drop both rear seats and see if the noise goes. If it does, wrap anti rattle tape around the bars that the catches clip on to. Mine was rattling from the rear and doing that has made a massive difference.
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Lordie, the damper reduces the droning noise but would not do anything for the rattle, Watts suggestion is most likely :smiley:
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If anyone fancies selling their dampener then feel free to contact me.
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Craig,they only cost around £60 new from e-acca,just remember the nuts when you order.
Have a look on ‘golf daves how to guides’-in the how to section.
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Last weekend I cleaned and dry wax lubed the inside of the door felt seals which is a well documented procedure and seemed to make a slight reduction in noise levels.
Yesterday I used anti-rattle tape on the rear seat catches which made a bigger difference than expected eliminating a rattle which I hadn't really noticed.
The result is that I still have an occasional rattle from the drivers door noticeable at low (<20mph) speeds which disappears when the window is opened slightly. But tyre noise is now more obvious than before..
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Therein lies the problem with 'rattle chasing' - with every noise you fix, the next becomes more apparent.
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And once heard, never forgotten.
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Is the door rattle not the usual one of missing tape/felt on one of the bits of the mechanism for the door handle.
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Hi all . I was keen to try this fix and I ordered the harmonic damper and bolts from e-acca on 9th September. So far it has not arrived. I think others on this thread have ordered from them too. How long did yours take to arrive? I checked the order details on their website, using Google translate which suggests it was despatched on 10th September and seems to be sent from Latvia.
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Hi Ceefeesh, mine took just over 4 weeks to arrive, it is not a miracle cure just smooths out some of the body harmonic noise, I still have a thrumming on mine that is probably wheel bearing / drive shaft. I have just changed the tyres and on first impression does seem quieter but that might be me!!
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Thanks. I’ll be patient for a while yet then. 🤞
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Another way to reduce noise, especially wind turbulence noise from the rear multilink suspension is to fit the MK8 Golf lower arm aero covers...it also reduces drag & I've seen at least a 2.5% improvement in MPG...but I have the estate & my aero is different..
Easy to fit...if you don't have a rivnut gun to fit the lower two rivnuts just order more of the plastic fixing for the top, same hole size in the arm & one member on the MK8 forum has been racing & done 140mph with them fixed like this no problems..
all info in the first few posts here:-
https://www.golfmk7.com/forums/index.php?threads/how-to-retro-fit-the-mk8-rear-suspension-aero-covers-or-stone-guards-to-a-mk7-golf.375175/
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golfdave,
1st off,thanks for your how to guides-very much appreciated.
Just about to order these from e-acca,I’ll just be using the spreader rivets.
I have the Mk 5 rubber ones fitted at present using only the spreader rivets and they’re still on the car-shame the Mk 8 covers couldn’t fit over the Mk 5 covers-would that work,or would it disrupt the airflow?
My thinking being,it’s double protection.
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Thanks Golfdave, good advice as always esp the 'workarounds' as I do not have a rivet gun capable of dealing with 'nuts'. Will have to get some of these. :smiley:
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I have the Mk 5 rubber ones fitted at present using only the spreader rivets and they’re still on the car-shame the Mk 8 covers couldn’t fit over the Mk 5 covers-would that work,or would it disrupt the airflow?
My thinking being,it’s double protection.
one or the other as both items "shrink wrap" around the metal arm...the MK8 aero covers are thin plastic & do provided protection to the arm...however on the bigger SUV types VAG will not fit & you get the MK5 rubber covers as if you are doing off-roaing you could rip the covers off if reversing & they catch of stuff as they protrude from the rear of the arm..to create a smoother air flow....
PS I have a set of MK5 rubber covers also in the garage now...just one of those things with moding...
PPS...& I'm glad people can make use of the info...!!.. :cool:
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I have two sets of floor mats and noticed today that one set is considerably thicker and heavier than the other, even though they are both VW mats. Not sure if the thicker ones may help to deaden some of the road noise.
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Hi, I was wondering where the best place to get the 'aero parts' is? E-Acca seems the favourite but have quite long delivery times.
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Hi, I was wondering where the best place to get the 'aero parts' is? E-Acca seems the favourite but have quite long delivery times.
Hi, I bought mine from the local Audi dealer, it was there 2 days later and the price was virtually the same as E-Acca.
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Good to know IamLee, may well give mine a shot, some folks have commented that Audi deals can be somewhat difficult if you do not have an Audi Vin :undecided:
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AI1040, what tyres have you changed to ? You mentioned they seemed a bit quieter.
I think I might have slow puncture. If I can't repair will get couple of new tyres for rear to try to reduce road noise. I have PS4 225/40/18 that I find noisy when not smooth surfaces.
Would consider getting cross climate + all round if would help. Thnks.
Iamlee, Re: sound proofing. I think i am going to order dynamat (as reviews say odeurless) and dynaliner for under rear seat. Will I be able to fit both(in terms of enough spACe)? And MLV on top of those two?
Many thanks
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Hey NPR, I went for the Eagle Asymmetric 5's, they do seem a little less grippy than the PS4's but not really run in yet and it has been extraordinarily wet! They do seem quieter, not sure if that is a combination of me / the old ones were very worn :whistle:
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A question for those who fitted the damper... what are your thoughts on the benefits now you’ve had it fitted a while?
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A question for those who fitted the damper... what are your thoughts on the benefits now you’ve had it fitted a while?
Hi, my view after a few months is it does quieten the suspension knocks a little over some surfaces.
I would say not a huge change, but subtle improvement, just seems slightly tighter somehow.
Very little difference to overall noise as that is mainly tyres.
I guess the question is would I bother again?
Marginal, but a yes for me.
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golfdave,
I’ve just ordered the Tiguan undertray for the front subframe after reading your write up.
When you trimmed the ribs on the back side,is it obvious where to trim and how much to take off?
Keep the mods going,enjoy reading about them and appreciate the extensive how tos.
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FYI: It definitely is a "modern car" thing - I've just read a thread elsewhere on how someone is moaning about their brand new M135i being too noisy and trying to swap to quieter tyres (they have PS4's on those).
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golfdave,
I’ve just ordered the Tiguan undertray for the front subframe after reading your write up.
When you trimmed the ribs on the back side,is it obvious where to trim and how much to take off?
Keep the mods going,enjoy reading about them and appreciate the extensive how tos.
In the picture on the other forum I point directly to the bits that need cutting/trimming...Basically its the "upstands" on the edge which faces the front of the car...if you look at this tray edge on you will see it looks like a rolling hill range...all you are doing is cutting the tops of the hills off...& only on the front leading edge..basically its to get the tray to fit more flush with the subframe as the Tiguan subframe is a slightly different "ripple" to it..
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Thanks for that,don’t fancy drilling the subframe,but will do it because these undertrays have made a difference.
Since I replaced the rear Mk 5 hard rubber covers for the Mk 8 plastic covers,there’s definitely been an improvement to my mpg,not massive mind you,but it’s there.
Having fitted all the other aero trays,I wonder if fitting these Mk 8 covers has pulled it all together-I mean the air flow under the car.
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Thanks for that,don’t fancy drilling the subframe,but will do it because these undertrays have made a difference.
Since I replaced the rear Mk 5 hard rubber covers for the Mk 8 plastic covers,there’s definitely been an improvement to my mpg,not massive mind you,but it’s there.
Having fitted all the other aero trays,I wonder if fitting these Mk 8 covers has pulled it all together-I mean the air flow under the car.
No problems..
& yes the MK8 Golf lower arm covers do make quite a difference..that & covering up the engine bay (skid tray or aero tray), are the two biggest improvements & many other manufactures use this..just Google underbody aero) loads of stuff, most top end sports cars are totally flt underside...the Tesla' cars are...& so are most "Eco" cars..the 1lt Eco Golfs have loads of covers...its just basic aero design, but the penny pinching bean counters say No to fitt it to the standard cars....!!..which is stupid as by fitting them they reduce the aero drag, which make for better MPG (without fudging the ECU a'la dieselgate)..& therefore gets the whole emissions of the VAG group down as per the regs.....I bet the cost of fitting the trays they had already designed to all of their cars would still be way less than dieselgate has & will cost them!!...MUPPETS!!
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Just fitted the Tiguan front subframe undertray.
Great write up/how to from ‘golfdave’.
Couldn’t use ramps in the traditional way as car is too low,bit of improvisation was required,but by far the worst problem was the riv-nut gun-a tool forged by Lucifer himself!
But once i’d got my head around using it and drilled out my failed 1st attempt,it went ok and would definitely recommend if you have the other undertrays fitted,with a pit it would be a doddle.
Cheers again ‘golfdave’,your info is brilliant.
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Just fitted the Tiguan front subframe undertray.
Great write up/how to from ‘golfdave’.
Couldn’t use ramps in the traditional way as car is too low,bit of improvisation was required,but by far the worst problem was the riv-nut gun-a tool forged by Lucifer himself!
But once i’d got my head around using it and drilled out my failed 1st attempt,it went ok and would definitely recommend if you have the other undertrays fitted,with a pit it would be a doddle.
Cheers again ‘golfdave’,your info is brilliant.
No problems, & glad you got it all sorted!!!..
Rivet-nut tools are interesting..I have a big one with 18inch long handles which also does large rivets & has a swivel head...its good, just sometimes you need somebody else to hold the head accurately whilst you lever the handles!!!..& then its a PITA!! :grin: