Riviera V6-3.8L SC VIN 1 (1995)
Harmonic Balancer - Crankshaft Pulley: Technical Service Bulletins
Crankshaft Balancer - Revised Service Procedure
File In Section: 6 - Engine
Bulletin No.: 57-61-32
Date: October, 1995
Subject:
Section 6A - Engine Mechanical - Revised Crankshaft Balancer Service Procedure and pedal Tool
Models:
1995-96
Buick LeSabre, Park Avenue, Regal, Riviera
1995
Chevrolet Lumina APV
1995-96
Chevrolet Camaro
1995
Oldsmobile Silhouette
1995-96
Oldsmobile Eighty Eight, Ninety Eight
1995
Pontiac Trans Sport
1995-96
Pontiac Bonneville, Firebird
with 3800 Engine (VINs K, L, 1 - RPOs L36, L27, L67)
The procedure used to service the crankshaft balancer has been revised. Use the following procedure to properly service the crankshaft balancer on the
1995-96 3800 engines.
There has been a running design change in the crankshaft balancer. This change affects 3800 engines built late in the 1995 model year (L27 and L36)
and all of 1996 model year (L36 and L67). Refer to the appropriate section in the service manual it you have the previous design crankshaft balancer.
Refer to the following procedure using (J 38197-MOD) for the revised design crankshaft balancer. The crankshaft balancer designs can be easily
identified by the following:
Previous Crankshaft Balancer Design
Has a dimple stamped in the face of the crankshaft balancer. Figure 1 View B. This dimple aids in the alignment of J 38197-2 and also identifies the
crankshaft key location in relation to the slot in the crankshaft balancer. The special tool (J 38197) and the service procedure used to service the previous
design crankshaft balancer have not been revised. Refer to applicable service manual and section for correct service procedures.
