Drive Belt - Incorrect Alignment
Model Year 1983Bulletin No. 83-177
File in Gmup 60
Number 45
Date Aug. '83
SUBJECT: DRIVE BELT ALIGNMENT
MODELS AFFECTED: 1983 CENTURYS EQUIPPED WITH 4.3L V-6 (VIN T) DIESEL ENGINE
Improper alignment of the serpentine drive on a V-6 diesel engine (VIN code T) may be caused by an incorrectly aligned drive belt tensioner. If this condition is encountered, examine the area where the lug on the support bracket engages the tensioner. If this area is deformed, it may be due to the lug being off location in the support. To correct, replace the support bracket.