Century Estate Wagon L4-151 2.5L VIN R TBI (1987)
Positive Crankcase Ventilation Valve: All Technical Service Bulletins
PCV Valve Rubber Elbow - Loose/Disconnected
Bulletin:
87-6E-27
Date:
Feb. '88
Ref. No.: 87-224-6E
Corp. Ref. No.: 736527
SUBJECT:
PCV VALVE RUBBER ELBOW-LOOSE/DISCONNECTED
MODELS AFFECTED:
1987 CENTURYS, SOMERSETS, AND SKYLARKS WITH 2.5L L-4 ENGINES (VIN CODES R AND U)
Some 1987 Buicks with 2.5L L4 engines (VIN Code R and U) may experience vacuum leaks and subsequently set a Code 35 in the ECM.
This condition may be caused by a disconnection of the rubber elbow from the PCV valve which could have occurred during vehicle assembly and/or
during repair.
