C 1500 Truck 2WD V8-350 5.7L (1989)
Cylinder Head Gasket: All Technical Service Bulletins
Engine - Improved Head Gasket
Number:
89-283-6A
Section:
6A
Date:
December 1989
Corporate Bulletin No.: 836537
Subject:
REVISED CYLINDER HEAD GASKET
Model and Year:
1987-89 PASSENGER CARS AND LIGHT DUTY TRUCKS
TO:
ALL CHEVROLET DEALERS
THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 89-06-6A, DATED SEPTEMBER 1988. THE 4.3L
ENGINE APPLICATION AND PART NUMBER HAS BEEN ADDED. ALL COPIES OF 89-06-6A SHOULD BE DISCARDED.
A cylinder head gasket with improved sealing characteristics is now available for service use on all 4.3L, 5.0L and 5.7L engine applications. The
applicable part numbers are listed below:
Application
Cylinder Head Gasket P/N
4.3L Engines
10105110
5.0L Engines
10105115
5.7L Engines
10105117
These parts are currently available from GMSPO.
When replacing head gaskets on vehicles under warranty, use:
Labor Operation Numbers:
J0500 - Right Bank J0501 - Left Bank J0507 - Both Banks
Refer to Labor Time Guide for applicable labor times for various models.
