C 30 P/U 2WD V8-379 6.2L DSL (1985)
Harmonic Balancer - Crankshaft Pulley: Technical Service Bulletins
Engine - Crankshaft Dampener Pulley
Number:
85-198
Section:
6A
Date:
APR., 1986
Subject:
CRANKSHAFT DAMPENER PULLEY
Model and Year:
1982-85 C,K,G,P - 10,20,30 SERIES
WITH 6.2L DIESEL ENGINES
TO:
ALL CHEVROLET DEALERS
A crankshaft torsional dampening pulley is now being used on the 6.2L diesel engine. The use of this dampened pulley will
significantly increase belt life.
This dampened pulley was used in 1985 production beginning with the following VINs.
PLANT
VIN
St. Louis
J174620
Flint
Line 1
F410918
Line 2
F182920
Janesville
J169041
Oshawa
1222358
Detroit Assembly (P Model)
3334915
Motor Home (P Model)
The service procedure for removal and replacement of the crankshaft dampener pulley is in Section 6A7 of the 1985 Light Duty
Service Manual.
One of the following dampeners is required in making the installation:
Part Number
Model
Year
15592125
P w/Air Conditioning
1982-85
C,K,G w/Air Conditioning
1982-84
G w/Air Conditioning
1985
15592127
C,K,G,P w/o Air Conditioning
1982-85
15592128
C,K w/Air Conditioning
1985
All dampener installations require four bolts, P/N 11508141. The torque for these bolts is 35-45 Nm (26-33 ft.lbs.).
