Mechanics

CHEVROLET MALIBU ENGINE PROBLEM

2003 Chevrolet Malibu • 150,000 miles

Rockerarm torque
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December 7, 2012.




First Pass 14 Nm (124 in. Lbs.)
Final Pass (30 degrees)

Here is a TSB on the subject

Engine - Rocker Arm Bolt Tightening Specification Update

File In Section: 06 - Engine/propulsion System

Bulletin No: 02-06-01-034

Date: October, 2002

SERVICE MANUAL UPDATE
Subject: Revised Rocker Arm Bolt Fastener Tightening Specification

Models: 1996-1998 Buick Skylark
1996-2002 Buick Regal
1997-2002 Buick Century
1996 Chevrolet Beretta, Corsica, Lumina APV
1996-2001 Chevrolet Lumina
1996-2002 Chevrolet Monte Carlo
1997 Chevrolet Venture
1997-2003 Chevrolet Malibu
2000-2002 Chevrolet Impala
1996-1997 Oldsmobile Cutlass Supreme, Silhouette
1996-1998 Oldsmobile Achieve
1998-1999 Oldsmobile Cutlass, Intrigue
1999-2002 Oldsmobile Alero
1996-1997 Pontiac Trans Sport
1996-2003 Pontiac Grand Am, Grand Prix
with 3.1L or 3.4L Engine (VINs M, J, E - RPOs L82, LG8, LA1)

This bulletin is being issued to revise the rocker arm bolt fastener tightening specification found in several procedures in the Engine Mechanical - 3.1L sub-section and the Engine Mechanical - 3.4L sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

The correct torque for the rocker arm bolt is 14 N.M (124 lb in) plus 30 degrees. This specification can be found in Fastener Tightening Specifications, Valve Rocker Arm and Push Rod Replacement and Lower Intake Manifold Replacement (for 1996 Chevrolet Beretta/Corsica, 1996-1997 Buick Skylark, Pontiac Grand Am, Oldsmobile Achieva and 1997 Chevrolet Malibu ONLY).

Wrenchtech
Dec 7, 2012.


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