C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
This condition may be attributed to belt interference between the water pump pulley and belt tensioner pulley (Figure 1). The belt tensioner pivots both
directions from the center pivot axis which can result in the serpentine belt coming in contact with itself at the water pump pulley. To correct this
condition, loosen the generator bracket bolts (3) and move the top of the bracket to its most outward position (Figure 1). This will move the tensioner
pulley away from the water pump pulley increasing clearance, to eliminate contact. Tighten the generator bracket bolts after the bracket has been
repositioned.
**NOTE:
Some cleaning agents or mineral oils can attack the belt compound and should not be used in this location. This may be another contributor to
premature wear.
If a new serpentine belt is required for the chirping sound or premature wear, new accessory drive serpentine belts have been released to GMSPO. The
new belts will supersede the existing part numbers.
SERVICE PARTS INFORMATION:
Part Number
Description
Qty.
10210382
Belt-Fan w/o C60, C69
1
10210383
Belt-Fan w C60, C69
1
S/T and C/K
An improved belt is available for use on 1990 through 1993 S/T and C/K trucks with L35, LB4, L03, or L05 engines equipped with C60 (air
conditioning) but without K19 (A.I.R.). The new belt is less prone to "chirping." If, after performing standard diagnostic procedures, a serpentine belt
replacement is required, use P/N 10189265.
NOTE:
P/N 10189265 replaces P/N 10069211.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
