Recent Posts

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21
Golf mk7 / Re: Sudden Increase In Exhaust Noise
« Last post by skippy on 30 November 2025, 21:23 »
Hello all, experienced these symptoms for the first time on my MK7.5 GTI this weekend in almost 6 years of ownership, I am sure it is a regen.

Car was not as smooth running as normal and as per discussion previously, fuel consumption has fallen off a cliff! Most of the running I was in high 20's and only just crept over 30mpg once reaching home.

I had not used the car much during November, 8 miles in 3 weeks I think. Did a decent'ish run today of about 17 miles each way (gap of 4 hours or so between), but the regen operation is still there. Traffic and my route was such I could not get a sustained high's rpm to clear it. Think I need to take it for a blast to complete it, as the car really does not perform any where near as efficiently while performing a regen.

22
Golf mk8 / Re: DSG Gearbox oil change.
« Last post by Yusee on 30 November 2025, 20:53 »
@Watts- interesting.

Yes, i think the old DSG boxes had a 40k schedule- which seems reasonable.

The only instance i can think where manufacturers “ under service “ is the long life service schedule, which I believe was an attempt to attract fleet buyers.
23
Golf mk8 / Sat nav and infotainment queries
« Last post by Watts on 30 November 2025, 19:48 »
Evening all.

I've got a couple of head scratchers with my new 8.5 that I thought someone here may have already encountered and solved.

Sat nav. I'd set a destination and all was going well until I adjusted the cabin temperature. I accidently touched the climate button bringing up the full screen menu. Made the adjustment then touched the red outlined square button to return to the map but, although the map came back just fine, the guidance was gone. A tad annoying whilst on a motorway... I'm not ruling out finger trouble but I don't think I switched it off accidentally.

Radio bother. When my OH connects her iphone by cable (for charging) the radio gets switched to her phone intermittently. We think it's when she's scrolling through instagram and a video starts playing, you don't get the video sound, just her BBC Sounds app which isn't on. We get an annoying screenshot of Nicky Campbell...

Thanks in advance!
24
Golf mk8 / Re: DSG Gearbox oil change.
« Last post by Watts on 30 November 2025, 19:37 »
There can only be one answer here- an enthusiast owner asking a bunch of enthusiast owners whether to do an item of service.

If the question had been “ money is tight- it’s either the DSG service or kids’ Christmas presents this year”- that would’ve been an interesting one.

I run 2 cars and 3 bikes for personal use and have developed a bespoke service schedule for each of them.

A couple of things to consider-

1. The manufacturer’s service schedule will almost always lead to “ over servicing “. That’s how they make their money. If they say not needed until 80k, then it isn’t necessary. You’ll just be draining perfectly good oil.
2. Every service carries a risk. The risk of an incompetent or lazy technician making an error- under filling or over filling fluid, putting the wrong stuff in, not securing plugs and bolts etc.


Service schedules are arbitrary. Much of it is unnecessary imo.

Regular oil changes, keep the body and undercarriage clean to prevent rust, change brake fluid at 2 years or so ( because it is hydrophilic).

The rest you can pretty much leave until performance is affected- imho

Oh, and I also run a 2016 Seat Alhambra with DSG box-we’ve put over 100k miles on that car in 8 years- and it still runs beautifully. From memory, I had the DSG oil done every 40k miles ( so forget everything I just said above!!😂)

I think the older DSG boxes were recommended at 40k intervals. I do agree to most of what you've said but, manufacturers do under service schedule too, some gearboxes are said to be sealed for life which has to be nonsense. Also the multitronic box in my old A4 was about 80-90k for an oil change but mine broke at 70k+, the specialist I had it repaired by said the oil was well past it's best by 80k and recommended 30-40k intervals.
25
Golf mk7 / Re: Hot air blowing only from passenger vent issue
« Last post by 2007GTI on 30 November 2025, 18:00 »
To be honest i haven’t seen it in person yet, will do when i pick the car up, but it sounds the same. The coolant looked normal in the bottle!
My mechanic said he talked a lot of VW folk and they said they do a lot of heater matrix, and from what I’ve found online I believe them.
26
Golf mk7 / Re: Hot air blowing only from passenger vent issue
« Last post by Rudedog on 30 November 2025, 17:54 »
Very odd isn't it with the sand like gunk - if it's casting sand then surely that would potentially affect 10's of thousands of VW vehicles - something doesn't add up to me.
27
Golf mk7 / Re: Hot air blowing only from passenger vent issue
« Last post by 2007GTI on 30 November 2025, 17:00 »
Old Heater Matrix was removed, it was full of sand and gunk, similar to that video posted above.

Only issue now is, there is a slight drip, as the old O rings are knackered and the new matrix didnt come with new seals and clamps. They are fortune OEM, and odd size, will seek out some tomorrow, so far found these on ebay:

https://www.ebay.co.uk/itm/136625413835?

LLL says the above part no has been super succeeded by this, but mine look nothing like this:

https://www.ebay.co.uk/itm/136298974330?
28
Golf mk8 / Harmon Kardon woes
« Last post by CarbonGTD on 30 November 2025, 16:34 »
Nope.  I can't do it.  I've had my 8.5 GTI for over 2 months now - I've been out in it again today and I STILL can't get the HK to sound anything other than pretty awful.  It's clear enough and loud enough for sure (and I have no problem with the sub) but however you set the EQ you just cannot dial out the screechy mids - they are always there, always scratchy, always making the system sound harsh.  I had an R Line 8.5 Golf for 8 months before this with the standard audio and - honestly - the standard audio was better (certainly more relaxing to listen to).  My advice to anyone considering spec'cing HK would be try it for yourself first (and whilst driving, not sat engine off in the showroom) as - pretty A pillar speaker grills aside - I think it is a dud to be honest.  Frankly if I could I would pay someone £700 to remove it and put the standard audio back in. A real disappointment. (Yes I did have Dynaudio in my 7.5 GTI and it was miles better).
29
Golf mk6 / Re: Any ideas what this could be please?
« Last post by Norwichdaz on 30 November 2025, 15:57 »
Yeh reckon so and deffo more suction trying to take oil cap off now.

Yeh the clip i know isn't perfect etc but the more I even type into YouTube even wastegate rattle in general they all.sound the same and like mine and u see some do the clip, some new turboand some new wastegate replacement.
30
Golf mk8 / Re: DSG Gearbox oil change.
« Last post by Yusee on 30 November 2025, 15:02 »
There can only be one answer here- an enthusiast owner asking a bunch of enthusiast owners whether to do an item of service.

If the question had been “ money is tight- it’s either the DSG service or kids’ Christmas presents this year”- that would’ve been an interesting one.

I run 2 cars and 3 bikes for personal use and have developed a bespoke service schedule for each of them.

A couple of things to consider-

1. The manufacturer’s service schedule will almost always lead to “ over servicing “. That’s how they make their money. If they say not needed until 80k, then it isn’t necessary. You’ll just be draining perfectly good oil.
2. Every service carries a risk. The risk of an incompetent or lazy technician making an error- under filling or over filling fluid, putting the wrong stuff in, not securing plugs and bolts etc.


Service schedules are arbitrary. Much of it is unnecessary imo.

Regular oil changes, keep the body and undercarriage clean to prevent rust, change brake fluid at 2 years or so ( because it is hydrophilic).

The rest you can pretty much leave until performance is affected- imho

Oh, and I also run a 2016 Seat Alhambra with DSG box-we’ve put over 100k miles on that car in 8 years- and it still runs beautifully. From memory, I had the DSG oil done every 40k miles ( so forget everything I just said above!!😂)
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