Rear Suspension Squeak - Rub Marks on Shocks

[TheDarkPath]

Hello everyone,
I've been hearing a squeak in the rear of the car when I go over speed bumps. I looked into it yesterday and noticed the shocks on both sides have been scratched by the dust covers and the dust covers seem to be fraying a bit at the contact points. What could be causing this?

Rear suspension setup is all BMR: tubular LCAs, adjustable UCA, adjustable panhard bar, and springs along with the Tokico D-Spec shocks.

 

[thump_rrr]

If you have any poly bushings in the rear your squeaks are coming from there.
The shock covers have nothing to do with this. Mine are much worse and don't make any noise.
Any component with a poly bushing should be disassembled, cleaned with brake cleaner and lubricated with Energy Suspension Formula 5 Prelube.
It looks like sticky Jizz but it stays in place for years.
It can be purchased in a small tub or mini grease gun tubes.

I prefer disassembly because all surfaces of the poly bushing can be coated.
If you use a grease gun go very carefully and only put about 1 squeeze per bushing because you risk splitting the bushings.
I disassemble mine once a year and re-lubricate.
This goes for anything with poly bushings including swaybars, panhard bar, Etc..

 

[TheDarkPath]

If you have any poly bushings in the rear your squeaks are coming from there.
The shock covers have nothing to do with this. Mine are much worse and don't make any noise.
Any component with a poly bushing should be disassembled, cleaned with brake cleaner and lubricated with Energy Suspension Formula 5 Prelube.
It looks like sticky Jizz but it stays in place for years.
It can be purchased in a small tub or mini grease gun tubes.

I prefer disassembly because all surfaces of the poly bushing can be coated.
If you use a grease gun go very carefully and only put about 1 squeeze per bushing because you risk splitting the bushings.
I disassemble mine once a year and re-lubricate.
This goes for anything with poly bushings including swaybars, panhard bar, Etc..

Thank you for the detailed response. The bushings are pressed in right? I don't think I have the tools to disassemble the bushings. When I originally installed everything, the bushings were lubed using Super Lube synthetic grease. I have about 25,000 miles on the suspension over the course of 5.5 years. Do you think they may just be in need of more grease via the grease fitting or is that even something worth trying?

 

[thump_rrr]

Thank you for the detailed response. The bushings are pressed in right? I don't think I have the tools to disassemble the bushings. When I originally installed everything, the bushings were lubed using Super Lube synthetic grease. I have about 25,000 miles on the suspension over the course of 5.5 years. Do you think they may just be in need of more grease via the grease fitting or is that even something worth trying?

You can try pounding out the bushing with a proper sized socket and a dead blow hammer or you can remove and bring your suspension parts to a local suspension shop or any speed shop with a hydraulic press.
In 5 minutes the guy will have them all removed.
Clean them out and re-lube and have the guy press them back together.
They may charge you $20.00 or so for their time.
Obviously national chains will never do this but any local guy should.

The synthetic will wash out much quicker than the Formula 5 Prelube.
It's $12.99 at Jegs.
http://www.jegs.com/i/Energy+Suspension/355/9-11104/10002/-1

 

[TheDarkPath]

You can try pounding out the bushing with a proper sized socket and a dead blow hammer or you can remove and bring your suspension parts to a local suspension shop or any speed shop with a hydraulic press.
In 5 minutes the guy will have them all removed.
Clean them out and re-lube and have the guy press them back together.
They may charge you $20.00 or so for their time.
Obviously national chains will never do this but any local guy should.

The synthetic will wash out much quicker than the Formula 5 Prelube.
It's $12.99 at Jegs.
http://www.jegs.com/i/Energy+Suspension/355/9-11104/10002/-1

Thanks! I'll get some Formula 5. I'm just happy to know the scratches on the shocks aren't indicative of something worse happening back there!

 

[Sinister06gt]

I run the bmr control arms in the rear. They've been on my car for 50k miles. I hit them with brake part cleaner to clean off old grease then use a synthetic marine grease. 1 pump about every six months. Mine have never made a sound.

 

[DiMora]

I cut my dust covers off in their entirety. No issues. Same D-specs you are running...so I could run 335's: