Experts - HELP
10-01-09, 11:20 AM
#1
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Experts - HELP
Ok guys I recently replaced the strut rod bushings on my 2000 LS w/ poly ones. The noise is absolutely unbearable (squeek/squeek/squeek) whenever I go over bumps........Does anyone make rubber replacement ones ????
10-01-09, 12:23 PM
#3
If the squeak only showed up after the replacement and you are confident that it is the polyurethane bushings, try applying silicone grease to contact surfaces.
But usually, suspension or shock bushings are designed to never have actual movement. They are supposed to be fixed, and the only movement allowed is the intrinsic compliance in the rubber itself. That is how shock and control arm bushings can survive hundreds of thousands of inner city potholes perfectly fine, but go out in a month when the rubber lets go and starts to slide on the metal.
Strut rod bushings barely have any opportunity for movement other than just waiting for compression/tension from braking, etc. Control arm and shock bushings? 'nuther thing all together.
Colin
But usually, suspension or shock bushings are designed to never have actual movement. They are supposed to be fixed, and the only movement allowed is the intrinsic compliance in the rubber itself. That is how shock and control arm bushings can survive hundreds of thousands of inner city potholes perfectly fine, but go out in a month when the rubber lets go and starts to slide on the metal.
Strut rod bushings barely have any opportunity for movement other than just waiting for compression/tension from braking, etc. Control arm and shock bushings? 'nuther thing all together.
Colin
10-01-09, 07:01 PM
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Ever since we installed the new poly strut rod bushings the car creaks like crazy when going over speed bumps or when pulling into/out of a parking lot or driveway. May be time to just break down and buy the new rods from a sponsor 
10-01-09, 08:41 PM
#5
The poly bushing squeak is an indicator that there was not enough of the grease applied to them before install. I have poly bushings in all of my suspension components, except for the strut rods(yet) and not a squeak at all. Press the bushing back out and reapply with a very LIBERAL amount of grease. One tip that I did when I replaced any of my bushings was once I cleaned up the area, I took a wire wheel to score the metal surface a little and applied grease to that surface as well as the bushing itself. Been 3 years now, have daizens installed, and not a squeak.
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