A Squeak/Squawk/Itching Noise

(A) SQUEAK/SOUAWK/ITCHING NOISE

CONDITION: I
Squawking from rear of vehicle during normal vehicle operation and most prevalent in cold or wet weather (1988-89 vehicles).

CAUSE:
Auxiliary spring rubbing against edge of spring mounting bracket.

CORRECTION:
Remove auxiliary spring per procedure outlined in Service Manual and reinstall with clearance to edge of mounting bracket.


CONDITION: II
Squeak and/or clunk from rear of vehicle noted during normal suspension movement (Early 1988 vehicles Only).

CAUSE:
Defective strut assemblies with date codes 15087-04688 (clunk) and 01688-08688 (squeak).

CORRECTION:
Replace strut dampers with the effected date codes. Any other struts that are suspected of being noisy should be bench checked per the procedure outlined in the diagnosis section of the Service Manual. Replace only those struts which exhibit excessive noise during the bench test. (Reference Bulletin # 88-3-23).


CONDITION: III
Squeaking/Itching from front of vehicle during a turning maneuver on 1990 vehicles assembled prior to VIN # L1402187 with base level suspension.

CAUSE:
Movement between strut mount cushion plastic stiffener, strut rod and/or strut mount cushion.

CORRECTION:
Remove the plastic stiffeners from both of the front strut mount cushions (Reference Bulletin # 90-3-9).


CONDITION: IV
Squawk from front of vehicle at low ambient temperatures and normal operation on 1988-90 vehicles assembled prior to VIN # L1407852.

CAUSE:
Stabilizer shaft rotating in the lower control arm stabilizer shaft insulators.

CORRECTION:
Install new high compression lower control arm stabilizer shaft insulators, P/N 10152155 (Reference Bulletin # 90-3-18).


CONDITION: V
Squeaking from rear of vehicle during normal suspension/vehicle operation (1988-90 vehicles).

CAUSE:
Park brake cable movement through grommet in cable support brackets.

CORRECTION:
Apply lubricant to cables in area of grommets (Reference Bulletin # 90-5-4).


CONDITION: VI
Thumping/squawk noise from rear of vehicle, and most apparent when operated at low speeds over irregular road surfaces. (1989-92 vehicles)

CAUSE:
A load spike caused by the strut jounce bumper system transmitting noise through the body strut tower structure.

CORRECTION:
Replace both rear strut jounce bumper assemblies with new assemblies contained in service unit, P/N 22063945 (Reference Bulletin # 92-3-7).