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.).