Suspension (Rear) - Coil Spring Clunk

9217buick06

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