A Component Comparison from the Previous Year
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The oil pump and primary timing chain lower guide has a first and second design.
- The first design primary timing chain lower guide can not be replaced independently from the oil pump.
- The second design primary timing chain lower guide is independently replaceable.
- The oil level sensor has been eliminated from the oil pan.
- The oil drain plug location has been changed from the left side of the oil pan to the right side.