Engine - Polymer Service Pistons
File In Section: 06 - Engine/Propulsion SystemBulletin No.: 01-06-01-O10A
Date: June, 2001
INFORMATION
Subject:
Polymer Service Pistons
Models:
1996 Buick Regal
1996-98 Buick Skylark
1996-01 Buick Century
1996 Chevrolet Beretta, Corsica
1996-01 Chevrolet Lumina, Monte Carlo
1997-01 Chevrolet Malibu
2000-01 Chevrolet Impala, Venture
1996-98 Oldsmobile Achieva
1996-99 Oldsmobile Cutlass
2000-01 Oldsmobile Alero, Silhouette
1996-98 Pontiac Grand Am
1996-01 Pontiac Grand Prix
2000~1 Pontiac Grand Am, Montana
2001 Pontiac Aztek
with 3.1 L or 3.4 L Engine (VINs J, M, E - RP0s LGB, L82, LA1)
This bulletin is being revised to clarify the models and parts information. Please discard Corporate Bulletin Number 01-06-01-010 (Section 06 - Engine/Propulsion System).
Service pistons with polymer coated piston skirts are available for the above engines. Polymer pistons should be used in these applications any time piston replacement is necessary.
Notice:
Do not install pistons in model years other than listed in the parts table shown. The design of the LA1 piston assembly is unique to those model years listed. Damage to the piston, cylinder block or cylinder head may occur if the wrong piston is installed.
Refer to Corporate Service Bulletin Number 01-06-01-002 for revised piston pin installation procedure.
Parts Information
Parts are currently available from GMSPO.
DISCLAIMER