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-   -   Changing the front subframe bushes -easy or big job? (http://www.classic-audi.co.uk/forum/showthread.php?t=39080)

Modus 24-09-19 10:50 AM

Changing the front subframe bushes -easy or big job?
 
The Front Subframe bushes are reportedly perished (the 2 main bushes that hold the front subframe in place) and we believe that is the likely source of a clunk when driving.

Does anyone know how you go about changing these bushes? i.e. is it a major job engine out or can you drop the subframe in some way to get at them? Any tips or info would be appreciated before we embark on what may be a big old job.


This is the bush:
431399151D
https://www.ebay.co.uk/itm/291825450393

and here's a diagram of where it sits:
https://audi.7zap.com/en/rdw/audi+20.../399-36000/#12
[item 12 on the diagram]

https://7zap.com/en/part/VAG/431399151D/

moonwatcher 24-09-19 04:50 PM

done in situ,
take the weight of the sub-frame on a trolley jack, loosen the bolt, slightly lower the jack to remove the bolt and the upper half of the bush, replace the bolt, jack the sub-frame back up, remove the fixing bolt and replace the lower half of the bush, refit the bolt.......and do the same on the other side
that should do it
:tup:

John. 24-09-19 05:47 PM

Quote:

Originally Posted by Modus (Post 458542)
(the 2 main bushes that hold the front subframe in place)


431399151D
https://www.ebay.co.uk/itm/291825450393

and here's a diagram of where it sits:
https://audi.7zap.com/en/rdw/audi+20.../399-36000/#12
[item 12 on the diagram]

https://7zap.com/en/part/VAG/431399151D/

There's 4 bushes holding the subframe on??

Items 2 and 3 on the diagram?

Not sure how you'd go about doing them in place.

tractor Dave 24-09-19 05:54 PM

They are a PITA to remove. Most burn them out. The OE bushes are also a pain to press back in without damaging. Poly bush are much easier to fit.

Groundhog 24-09-19 06:09 PM

Just to clarify, the ‘bushes’ you link to on e-bay and in the schematic diagram is an engine mount not a sub frame bush! Which is it that you are replacing?

Duffy3074 24-09-19 06:56 PM

I did all 4 of mine but did it on the bench with a vice, under those circumstances it’s straightforward

Removing the subframe is essentially just 6 bolts (once the cars up on stands and the wheels are off) plus whatever ARB links you have


Edit: your engine mounts off of yours, disregard all that I said!

Groundhog 24-09-19 07:53 PM

...........sorry meant gearbox mounts not engine mounts.

tractor Dave 24-09-19 08:12 PM

Quote:

Originally Posted by Groundhog (Post 458573)
...........sorry meant gearbox mounts not engine mounts.

Phew!
Fairly easy job then :tup:

Modus 24-09-19 09:33 PM

It's the front subframe mounts that we need -it may be that I ordered the wrong items!

jimh 25-09-19 05:19 PM

If it's subframe mounts:-

http://www.sealtd.net/quattro/subframe.html


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