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Subject PSA - Urethane Bushings in Rear Control Arm Failure
     
Posted by Bernie (NoVA) on April 26, 2019 at 12:48 AM
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Message I've never been a fan of urethane bushings in Z32 rear control arms. The bushings tend to get noisy and hard with age and I don't really have any interest in creating a maintenance item which is as tedious as re-greasing all the bushings every season.

This car came in reporting noise on turn in, pull to the side and feeling unsettled esp. in turns. The alignment shop missed this the other day so it came back to me for a once over. The toe arm had all but broken away on the driver side rear. The bushing was torqued to ~65 ft/lbs but was dry and bound in place, it could no longer pivot. We replaced it with a used arm with factory bushing and everything returned to normal. All other rear bushings are stock, suspension is fresh KYB Excel G shocks with Eibach springs, and all new rubber bump stops/boots/perches plus sub frame spacers.






Bernie Bilski
berniebilski@cox.net
President of Z-Car Club of Northern Virginia

1995 Nissan 300ZX TwinTurbo in Cobalt Green
1997 Nissan 240SX SE in Ultra Red
2006 Nissan Frontier SE in Ultra Black



     
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