Intake Manifold Cleaning and Inspection
WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of GENERAL MOTORS CORP.
- Clean the intake manifold gasket mating surface.
- Inspect the threads on the retaining bolts.
- Inspect the intake manifold for cracks.
- Clean the internal ports of all debris.
- Replace the intake manifold if necessary.