Engine - New Crankshaft (Harmonic) Balancer
Bulletin 84-6-37Date Sept. '84
Ref. No. 84-246-6
SUBJECT: CRANKSHAFT (HARMONIC) BALANCER
MODELS AFFECTED: ALL 1981-1984 3.8L V-6 ENGINES (VIN CODES A,3,8,9) AND 4.1L V-6 ENGINES (VIN CODE 4) USED IN REGALS LESABRES ELECTRAS AND RIVIERAS
A new crankshaft balancer is now available for use on the above engines. 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 no. 25523502 for regular aspirated engine and part no. 25523503 for Turbo engines. The new longer bolts should always be used when replacing the balancer.