Diagnostic Aids
WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the rear internal gear teeth for damage.
- Visually inspect the OSS for cracks or damage.
- Ensure the OSS is properly torqued to the transmission housing.