R 2500 P/U 2WD V8-350 5.7L (1987)
Cylinder Head Gasket: Technical Service Bulletins
Engine - Cylinder Head Gasket With Improved Sealing
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.
