Roadmaster Estate Wagon V8-305 5.0L (1991)
Coil Spring Insulator: Technical Service Bulletins
Suspension (Rear) - Coil Spring Clunk
Bulletin 91-3-19
Date Oct. '91
Ref. No. 91-265-3
Corp. Ref. No. 133404
SUBJECT:
REAR SUSPENSION SPRING CLUNK (INSTALL SPRING LOWER INSULATORS)
MODELS AFFECTED:
1991 ROADMASTER ESTATE WAGONS
CONDITION:
Some 1991 Roadmaster Estate Wagons assembled prior to VIN breakpoint MW406956 may exhibit a clunking type noise from the rear of the vehicle
when being operated over irregular road surfaces.
CAUSE:
Rear coil spring movement on rear axle assembly spring seats.
CORRECTION:
Install rear spring lower insulators, P/N 10004110 (2 required/vehicle) at the spring to axle assembly spring seat interface following applicable Service
Manual procedures.
Part is currently available from GMSPO.
WARRANTY INFORMATION:
Labor Operation Number:
E5057
Labor Time:
0.6 Hours
