LaCrosse V6-3.8L VIN 2 (2005)
4.
Position the ground cable to the frame rail and install the bolt. Refer to the illustration above.
Tighten
Tighten the bolt to 10-12 N.m (89-106 lb in).
Intermittent Engine Stall Condition
1.
Remove the bolt (1) attaching the negative battery cable to the top of the frame rail.
2.
Remove any corrosion from the cable end, the bolt and the top of the frame rail where the attachment is made.
3.
Apply dielectric grease, P/N 12377900 (in Canada, P/N 10953529), to the cable end and frame rail.
Important:
The bolt being tightened in the next step MUST be tightened to the torque specification listed.
4.
Position the ground cable to the frame rail and install the bolt. Refer to the illustration above.
Tighten
Tighten the bolt to 10-12 N.m (89-106 lb in).
Important:
For the 2004 Pontiac Grand Prix, there are two new calibrations available. The calibrations are based on the type of fuel tank installed in the
vehicle. Vehicles that have had Corporate Service Bulletin Number 04-06-04-066 performed require a calibration for a "baffled" fuel tank. In
addition, some late production 2004 models may have been built with the "baffled" tank. All others should have a "non-baffled" tank.
5.
Update the PCM with a new calibration.
This calibration update corrects the barometric value to prevent intermittent engine hesitation, which may lead to engine stall. The calibration
update affects 2004-2005 model year Pontiac Grand Prix vehicles with the L26 engine and 2005 model year Buick Allure/LaCrosse vehicles with
