This preliminary information communication provides information to the technician on the proper use of the...
Chevrolet technical service bulletin PIP3940C for 2004-2007 Chevrolet Trailblazer, 2004-2007 Chevrolet Colorado and 2002-2007 GMC Envoy and others.
- Bulletin number
- PIP3940C
- Component
- Equipment: other: owners/service/other manual
- Summary
- This preliminary information communication provides information to the technician on the proper use of the lower timing gear tensioner holding tool (en48464). Before using the tool, make sure that the tool handle and threaded rod unscrew from the wedge. If the tool handle unscrews from the threaded rod, leaving the threaded rod screwed into the wedge apply thread locker to the threads of the tool handle and screw it onto the threaded rod to prevent it from coming off in the future. This should be done before replacing the cylinder head by following the latest version of 06-06-01-017. The procedure for installing the wedge tool in the latest version of 06-06-01-017 advises that the wedge should be lightly seated using a couple of very light taps with a small plastic or brass hammer. Although these should be light taps, they should also be solid taps to ensure that the wedge is seated properly.
Vehicles covered
- Chevrolet Trailblazer 2004-2007 2004200520062007
- Chevrolet Colorado 2004-2007 2004200520062007
- GMC Envoy 2002-2007 200220032004200520062007
- GMC Canyon 2004-2007 2004200520062007
- Oldsmobile Bravada 2004-2005 20042005
- Hummer H3 2007 2007
- Buick Rainier 2004-2007 2004200520062007
- Saab 9-7X 2005-2007 200520062007
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Trailblazer?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history