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All Technical Service Bulletins for Crankshaft Main Bearing Seal: > < Oil Level Warning Indicator Relay|Locations
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Crankshaft Main Bearing Seal: Customer Interest
Engine - Oil Leak at Rear Main Seal

Bulletin:
90-6-14 

Date:
Sep. '91

Ref. No.:
90-230-6

Corp. Ref. No.:
106103R

SUBJECT:
ENGINE OIL LEAK AT REAR MAIN SEAL (INSTALL NEW REAR MAIN ROPE SEAL)

MODELS AFFECTED:
CENTURY, SKYLARK, REGAL, LESABRE, ELECTRA, PARK AVENUE, RIVIERA AND REATTA MODELS WITH 90~ V6 BUICK ENGINE

A new rear main oil rope seal has been released to service all 90~ V6 "Buick" type engines built through the 1990 model year. The part number for the
seal is 24501340.

Parts are currently available from GMSPO.

All Technical Service Bulletins for Crankshaft Main Bearing Seal: > < Oil Level Warning Indicator Relay|Locations