EXPERTEC TSB (57-63-03)

WARNING: This page is about the Forward Control 4.3 Z, Automatic, which is a different variant/trim than selected.

Publication date: 1995-01-26
Reference number: 57-63-03

EXPERTEC TSB

TECHNICAL SERVICE BULLETIN

Reference Number(s): 57-63-03, Date of Issue: 01/26/95

INFO. ON POSSIBLE INTERNAL - ENGINE CYLINDER DAMAGE

Model(s): 1982-95 Chevrolet and GMC Truck Light Duty Trucks with 6.2L and 6.5L Diesel Engines (VINS C, F, J, P, S, Y - RPOS LH6, L65, LL4, L49, L56, L57)

Bulletin No.: Chevrolet 57-63-03, GMC 57-63-03

Date: 01/26/1995

SERVICE INFORMATION

WHENEVER AN INJECTOR NOZZLE HAS FAILED, THE TEMPERATURE IN THAT CYLINDER HAS INCREASED AND MAY CAUSE DAMAGE TO THE GLOW PLUG. THE GLOW PLUG MUST BE REPLACED AT THE SAME TIME A FAILED INJECTOR NOZZLE IS REPLACED, EVEN IF IT CHECKS OUT AS BEING GOOD.

IF THE GLOW PLUG IS NOT REPLACED, INTERNAL ENGINE DAMAGE MAY OCCUR. THE GLOW PLUG MAY BREAK AND PARTS OF IT MAY DAMAGE THE ENGINE.

FOLLOW THE PROCEDURE FOR GLOW PLUG REPLACEMENT IN THE SERVICE MANUALS.

PARTS INFORMATION

Part No.	Engine	Name	Year
25163212	LL4, LH6, L65	GLOW PLUG	1982-1993
25163212	L49, L56, L57, L65	GLOW PLUG	1994-1995

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION

LABOR OPERATION: J4760 PLUGS, GLOW (DIESEL)

REPLACE RIGHT BANK (ONE OR ALL)

USE PUBLISHED LABOR OPERATION TIME.

LABOR OPERATION: J4761 PLUGS, GLOW (DIESEL)

REPLACE LEFT BANK (ONE OR ALL)

USE PUBLISHED LABOR OPERATION TIME.

LABOR OPERATION: J4767 PLUGS, GLOW (DIESEL)

REPLACE LEFT BANK AND RIGHT BANK (ALL)

USE PUBLISHED LABOR OPERATION TIME.

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