Engine - New Crankshaft (Harmonic) Balancer
Number 84-6(Gasoline)-58 Date 8/84Subject: CRANKSHAFT (HARMONIC) BALANCER
Models Affected: 1981 LeMans, Bonneville, Firebird (3.8L V-6 VIN Code A)
1982 Grand Prix, Bonneville (3.8L V-6 VIN Code A, 4.1L V-6 VIN Code 4)
1983 Grand Prix, Bonneville (3.8L V-6 VIN Code A)
1984 Grand Prix, Bonneville, Parisienne (3.8L V-6 VIN Code A)
A new crankshaft balancer is now available for use on the above models. This new balancer requires the use of longer bolts for attaching the crankshaft pulley to the balancer.
For this reason the longer bolts required will be packaged with the balancer under Part Number 25523502. The new longer bolts should always be used when replacing the balancer.