G6 V6-3.6L (2007)
Timing Chain: All Technical Service Bulletins
Engine - MIL ON/DTC's P0016-P0019 Set
Bulletin No.: 07-06-01-014
Date: August 09, 2007
TECHNICAL
Subject:
LY7 MIL/DTCs P0016, P0017, P0018 or P0019 - Stretched Primary Drive and Both Secondary Drive Timing Chains (Replace Primary Drive and Both
Secondary Drive Timing Chains)
Models:
2007 GMC Acadia
2007 Pontiac G6
2007 Saturn AURA, OUTLOOK
with 3.6L HFV6 Engine (VIN 7 - RPO LY7)
Condition
Some customers may comment on the Malfunction Indicator Lamp (MIL) being illuminated. Technicians may find the following Diagnostic Trouble
Codes (DTC) stored:
DTC P0016: Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 1
DTC P0017: Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation Bank 1
DTC P0018: Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 2
DTC P0019: Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation Bank 2
Cause
The cause may be a stretched primary drive and both secondary drive timing chains.
Correction
Refer to SI for the following diagnostic information if only one of the following DTCs are set:
P0016
P0017
P0018
P0019
If there are more than one of the above mentioned DTCs set, inspect the timing chains for being stretched. Refer to Camshaft Timing Drive Components
Cleaning and Inspection (Fourth Design) in SI.
