Achieva V6-3300 3.3L (1992)
Suspension Spring ( Coil / Leaf ): All Technical Service Bulletins
Suspension - Front Coil Spring Clatter or Rattle
NUMBER:
92-T-55
CORP.REF.NO: 133306
DATE:
March 1992
SECTION:
3C
SUBJECT:
FRONT COIL SPRING"CLATTER OR RATTLE"
-
INSTALL COIL SLEEVE
MODELS/YEARS:
1992 ACHIEVA
CONDITION:
Some front suspension coil springs may seem to rattle or clatter when the vehicle is in motion.
CAUSE:
Contact between the first and second coils at the upper (large) end of the coil spring. This contact occurs between 1/4 and 1/2 of a turn from the end of
the coil spring on the coil directly below it.
CORRECTION:
Install coil sleeve, P/N 22077538 at 1 1/4 to 1 1/2 wraps (or coil turns) from the large end of spring.
Parts are currently available from GMSPO.
1.
Drive vehicle and verify noise.
2.
Determine if spring already has a coil sleeve.
3.
If no coil sleeve is present:
A.
Inspect upper coil spring for witness marks or signs of interference.
B.
If signs of contact are found, apply adhesive (3M #51135-08662 or equivalent) to inside of sleeve, press sleeve onto spring and slide up until
sleeve hits pinch point between upper two coils. See Figure #1.
C.
Drive vehicle to verify that noise is eliminated.