Beretta L4-138 2.3L DOHC QUAD 4 HO MFI VIN A (1994)
Coolant: All Technical Service Bulletins
Engine - Undetectable Cause of Loss of Coolant
Group Ref.: Engine
Bulletin No.: 336201
Date: November, 1993
SUBJECT:
UNDETECTABLE CAUSE OF LOSS OF ENGINE COOLANT
(REPLACE SURGE TANK CAP)
MODELS:
1992-94 BUICK SKYLARK
1992-94 CHEVROLET CORSICA AND BERETTA
1992-94 OLDSMOBILE ACHIEVA
1992-94 PONTIAC GRAND AM
CONDITION:
Some owners may comment about loss of engine coolant.
CAUSE:
In some instances, the engine coolant surge tank cap may allow engine coolant to evaporate out past the seal.
CORRECTION:
Follow cooling system diagnosis as outlined in Section 6B of the Service Manual. If no other system leaks are located, replace current surge tank cap
with new cap, P/N 10244485. Follow procedures outlined in Section 6B in the appropriate Service Manual.
NOTE:
This is a pressurized cap. Be sure to note caution advisory in Service Manual.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
For vehicles repaired under warranty, use:
Labor Operation Number: J3020
Labor Time:
Use published labor operation time
