GolfGTIforum.co.uk
Model specific boards => Golf mk3 => Topic started by: spikenipple on 17 February 2014, 07:42
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How important is it to have a damped alternator/power steering pulley fitted to the ABF?
I can't seem to find one for sale but I could make myself one out of a nice bit of ally. The only trouble is it won't be damped. Will this cause any problems that anyone knows of?
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Did you get the main pulley off?
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I wasn't taking the cambelt crankshaft pulley off, just the auxiliary crankshaft pulley. I could see it wobbling before I started trying to take it off which explains why my p/s was always a bit dodgy, regardless of belt condition/tension. The pump spins freely so it's not that.
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The damping takes up some of the run out/shock loading and avoids applying it to the crank shaft.
This is where I went off on one about going bigger on the bolt sizes as this is what damages the threads....
Dont go for a solid one just not worth the risk imo, new ones are top price from the stealers but you will get better grip/drive on the vee belts from the fresh metal, maybe Boney can source a cheap one.
Not being funny but have you put it on with the location bump in the wrong place, normally you have all sorts of issues when the rubber has perished which I take it you did not have or see before?
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The tensioner is £32
(http://www.gatesautocat.com/img/products/T38147.jpg)
The pulley itself is £29
(http://www.gatesautocat.com/img/products/T38087.jpg)
(http://www.gatesautocat.com/img/products/S4080.JPG)
I think I'm getting the right pulley? :undecided:
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Oh if it's that one i've got one here you can have cheap man.
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You confused me now Spike!
On mine the power steering and alternator are seperate.
Have a ribbed belt that goes around crank pulley, air-com pump and alternator
V belt that goes around crank pulley, water pump and power steering pump.
And if its that tensioner in BB's photo, yes you definitely need that and its a pain to sort out!
I had to use mole grips on the tensioner and a spanner to lift that!
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The pulley I need bolts onto the crankshaft sprocket with the 4 bolts and locates on a pip. This is what I'm referring to as the alternator & p/s pulley. The item I have taken off of my car is one single component consisting of two pulleys.
I know it's located back on to the crankshaft sprocket properly as the alternator pulley part of it is running completely true, but the p/s section is wobbling as it's bent out of true.
It looks like this basically:
http://www.ebay.co.uk/itm/VW-GOLF-MK3-2-0-8V-GTI-94-99-UNDERDRIVE-CRANK-PULLEY-/230600536090?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AGolf&hash=item35b0dcf01a
I'll whip it off in a minute and get a part number.
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It's normally the pas bit that goes from over tightening to get over squeak and slip rather than buying a new one
Looking at the online cat you should be able to use the 8v item, but do check.
At that price it looks like a scrapper job
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(http://www.vagcat.com/p/B123/105150.png)
3 = Febi Crank pulley o.e number 027 105 263 B £22 + delivery
8a = 037105243B vibration damper price n/a
8 = 037105253 v-belt pulley £40 + delivery
11 = N 90367001 12-point head bolt M14X1,5X38 price n/a
7 = N 90308605 hexagon socket head bolt with collar price n/a
where it says prices n/a I am awaiting to hear from my abf guys over in Germany as they seem to do all the parts down to small bolts stec
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The part I need is 037 105 253, so it looks like I am mistaken and it is two seperate parts. Couldn't seperate them for the life of me though. For the price of both I'd rather just make a solid one myself!
Despite the purpose of the damper being to reduce vibrations back to the crank, I'd imagine the belt itself does a pretty good job of that?
(http://i49.photobucket.com/albums/f277/Spikenipple/IMG_1418_zps878f114b.jpg) (http://s49.photobucket.com/user/Spikenipple/media/IMG_1418_zps878f114b.jpg.html)
(http://i49.photobucket.com/albums/f277/Spikenipple/IMG_1419_zps0d154f52.jpg) (http://s49.photobucket.com/user/Spikenipple/media/IMG_1419_zps0d154f52.jpg.html)
Next question, does anyone know the correct size of the 4 bolts that hold the pulley on? I took out 2-off M8x40 and 2-off M8x45. I guess it's probably the 45mm bolts as the length of engagement only appears to be 5-6 turns looking at the 40mm bolts.
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N 90308605 is the bolts and they are listed as M8x14 (not length given) and are about 60p each from vw/seat/audi/skoda (they are a common bolt)
and as stated before just for the v belt pulley it's £40!
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N 90308605 is the bolts and they are listed as M8x14 (not length given) and are about 60p each from vw/seat/audi/skoda (they are a common bolt)
and as stated before just for the v belt pulley it's £40!
the bolts are probably wrong as the threads have stripped and longer bolts used to get down to the remaining thread.
If your going for a home pulley then machine it to fit at least H7 on the crank so run out is minimised.
Dont use ali use a bit of wear resistant steel.
You might get more skid without the damping as you rev up and decelerate hit bumps etc.
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The 40mm bolts engage and tighten just as well in any of the holes, I tried them all. I think it's more like someone changed the bolts but only had 2x 45mm bolts laying around :grin:
I have plenty of 817M40 alloy steel at work...but then again I have 3 metres of 6082 too :whistle:
Should be alright if I have it hard anodised.
I know which I'd rather have up on the lathe!
I'll draw a few designs up and see if I can make a steel one light without compromising strength.
It's a lot of work really but I can do it for free - I don't fancy/can't afford £xxx on buying new pulleys.
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The 40mm bolts engage and tighten just as well in any of the holes, I tried them all. I think it's more like someone changed the bolts but only had 2x 45mm bolts laying around :grin:
I have plenty of 817M40 alloy steel at work...but then again I have 3 metres of 6082 too :whistle:
Should be alright if I have it hard anodised.
I know which I'd rather have up on the lathe!
I'll draw a few designs up and see if I can make a steel one light without compromising strength.
It's a lot of work really but I can do it for free - I don't fancy/can't afford £xxx on buying new pulleys.
It's just the belt is pretty abrasive exerts a lot of force and will get covered in salt and sh!t and no damping.
Understand why you want ali though, would be done in half the time but you dont want it to fracture or go precipitous.
By all means if you have something exotic in the non ferrous, will look the nuts at least.
Make sure whatever bolts you use dont hang out the back.
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Cheers for the tips :smiley:
I'm still hoping that someone has one of these laying around somewhere that they'll sell to me on the cheap!
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Looking at it, it's only the alternator pulley part that's floating on the rubber damper. The p/s pulley seats straight into the steel carrier.
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Looking at it, it's only the alternator pulley part that's floating on the rubber damper. The p/s pulley seats straight into the steel carrier.
The one with the precision armature on the other end charging your battery :grin:
Might be worth looking at mk4/5 to see if they fit, second hand ones will have done lunar mileage on a mk3.
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Yeah, confidence inspiring isn't it? This one's only done 166,000 miles!
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Yeah, confidence inspiring isn't it? This one's only done 166,000 miles!
Mines on the same lol, got enough ali for two :grin:
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If you're serious I could make you one for the right price :whistle:
Manually turned though so internal rads will be up to 1.2mm instead of original.
Cheeky render of what I've got so far :smug:
(http://i49.photobucket.com/albums/f277/Spikenipple/RENDER1_zps17919b97.jpg) (http://s49.photobucket.com/user/Spikenipple/media/RENDER1_zps17919b97.jpg.html)
I'll pop it on the CMM tomorrow to get precise hole sizes and positions.
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Looking good, is that solid works the background is familiar. ...
My Golfs are getting stripped and cubed next month so I don't need one unless my new car falls through. ....
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Those two pulley's do come apart quite easily in my experience.
( 3 on 3 different engines!)
If one is a bit off line then surely a good belt with a heavy hammer will sort it!
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And of course you should know I have spares of these pulleys! :whistle:
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Do you have a spare of the whole thing??
I've tried sticking the pulley in the vice with a bit of bar inside the p/s pulley to press them back together, but haven't had it back on the car yet. The trouble is that if it isn't perfectly seated within the damped pulley then there is potential for the pulley to loosen up and for the bolts to come undone as a consequence. Not something I'd like to risk...
Got my CMM measurements this morning so I'll have the model and drawings finished tonight with a bit of luck.
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C'mon Spike! You should know I have spares! From the abf and diesel engines which in this case are exactly the same!
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Well why didn't you say so sooner? :grin:
Drop me a PM if you want to get rid of one! The lower mileage the better :wink:
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They will be weighed in at the scrapyard along with all the other junk! If ya want one you had better come see!
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Are you about on Friday afternoon?
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I could be! :wink:
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Unless he gets Pneumonia in the meantime :grin:
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Unless he gets Pneumonia in the meantime :grin:
Think I'll be OK! :wink:
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Ok buddy I'll call you a bit later on :)