PIP5064

File in Section:
Service Bulletin
Bulletin No.:
Date:
PIP5064
October, 2012
PRELIMINARY INFORMATION
Subject:
Rough Running / Idle Surge / CEL On Or CMP Actuator Codes After Installation Of
Re-manufactured HVV6
Models:
2007 Buick / Rendezvous / Terraza2007 Saturn / VUE 2007 Chevrolet / Monte Carlo
2007-2008 Chevrolet / Uplander2007-2009 Chevrolet / Impala / Malibu, 2007-2009
Pontiac / G6 2007-2008 Saturn / Aura2009 Buick / LucerneWith 3.5L LZE LZ4 3.9L LZ8
LZ9 LZG LGD
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
A technician may encounter any of the following concerns after installing a re-manufactured HVV6 engine, rough
running, idle surge, CEL or CMP actuator codes
Recommendation/Instructions
If you encounter the above concern, record the actual engine oil pressure at idle and engine compression readings.
If oil pressure and compression readings are within specifications, then perform all testing listed in PIP4345A.
If the concern is not isolated, contact TAC for additional direction.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is
resolved without completing every step, the remaining steps do not need to be performed.