Skylark L4-151 2.5L VIN R TBI (1982)
Camshaft Gear/Sprocket: Customer Interest
Engine - Timing Gear Noise
Model Year
1983
Bulletin No.. 83-236
File In Group 60
Number
53
Date
Dec. 84
SUBJECT:
2.5L (VIN CODE R) ENGINE TIMING GEAR NOISE
MODELS AFFECTED:
1982-83 CENTURYS AND SKYLARKS WITH CRUISE CONTROL
There is a possibility of timing gear noise when the 2.5L engine is used in conjunction with cruise control on the 1982-83 Century and Skylark vehicles.
This noise is caused by the load applied to the camshaft by the vacuum pump.
FIGURE 1
FIGURE 2
