Lumina APV V6-191 3.1L (1990)
Wheel Hub: Customer Interest
Hub Assembly (Front) - Squeak/Squawk Noise
Number:
91-486-3C
Section:
3C
Date:
MARCH 1992
Corporate Bulletin No.:
203501
ASE No.:
A4
Subject:
HUB ASSEMBLY SEAL SQUEAK/SQUAWK NOISE
Model and Year:
1990-91 LUMINA (APV)
CONDITION:
Some owners of 1990-91 U-van models may comment about a squeak or squawk noise coming from the front of the vehicle in or near the front wheels.
This condition may be caused by insufficient grease on the lip seal of the hub assembly.
CORRECTION:
Disconnect Hub Assembly following service manual "on-vehicle service" procedure for front suspension in Section 3C. Lubricate Hub and Seal area
with GM1052497 grease thoroughly (fill cavity between seal and bearing).
NOTE:
For 1992 model vehicles, this condition has been eliminated with the introduction of a new Hub and Assembly design, which requires no lubrication.
WARRANTY INFORMATION:
Use applicable Labor Time Guide Operation Number and Time.
