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Engine - Cylinder Head Gasket With Improved Sealing

89chevy01

GMC NUMBER: 89-T-16


GROUP: 6A - Engine Mechanical

DATE: January, 1989


CORPORATE
NUMBER: 836537R
SUBJECT: REVISED CYLINDER HEAD GASKET

MODELS: 1987-89 C/K, R/V, G AND P LIGHT DUTY TRUCKS WITH 5.0L AND 5.7L ENGINE (VIN CODE H AND K) AND C5, C6 MEDIUM DUTY TRUCKS WITH 5.7L (VIN CODE A) ENGINE.
A cylinder head gasket with improved sealing characteristics is now available for service use on all 5.0L and 5.7L engine applications. The applicable part numbers are listed below:
Application Cylinder Head Gasket P/N

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 Ops: J0500 - Right Bank J0501 - Left Bank J0507 - Both Banks

Refer to Labor Time Guide for applicable labor times for various models.