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I installed new Sachs shocks a few months ago and they are making noise. The nut on top of the piston is bottomed out (no more threads left to tighten). The nut hits the top washer when you go over bumps. Wondering if I need to raise the car to fix this. I raised it some, but it didn't fix the problem. This is very odd. I don't think my car is that low now. Maybe I can die thread the top of the shock piston more, so I can tighten the nut.
Did you reinstall the dust cover when you replaced the shock? There is a spacer inside the dust cover (928 343 507 02)that takes up that extra room and without it, ……….well you can see what happens without it
Did you reinstall the dust cover when you replaced the shock? There is a spacer inside the dust cover (928 343 507 02)that takes up that extra room and without it, ……….well you can see what happens without it
1 of the plastic boots was destroyed, so I left them both off (thought they just were for dust and don't live in a dusty environment). Now that you say this, it looks like there is a metal spacer in the top of the boot. Also, can someone confirm that #4 in the PET is plastic and comes with the Sachs Shocks?
The dust covers aren’t just plastic covers, there is a metal insert in the top. In addition to holding the cover, it acts as a spacer.
This is a needed part, not optional.
1 of the plastic boots was destroyed, so I left them both off (thought they just were for dust and don't live in a dusty environment). Now that you say this, it looks like there is a metal spacer in the top of the boot. Also, can someone confirm that #4 in the PET is plastic and comes with the Sachs Shocks?
Looks like I need to buy at least 1 plastic boot.
You are going to need 2 if you left them both off.
Semi-retired, as of Feb 1, 2023.
The days of free technical advice are over.
Free consultations will no longer be available.
Will still be in the shop, isolated and exclusively working on project cars, developmental work and products, engines and transmissions.
Have fun with your 928's people!
This made me feel dangerous after looking at the one dust boot I have in tact. I thought this just slid up and down on the piston rod. Didn't realize it bottomed out and added to compression in over all coilover. Also, bump stop was disintegrated. Good thing German metal is so stong!
Reminds me of the top gear special where the top of the shock punched through the wiring harness, as usual Clarkson managed to patch it up at the side of the road and keep going.
09-19-2018, 03:16 PM
SHOCK PISTON STICKING UP MAKING NOISE
