Lucerne V8-4.6L (2008)
Timing Chain Tensioner: Service and Repair
Secondary Camshaft Drive Chain Tensioner Replacement - Right
Secondary Camshaft Drive Chain Tensioner Replacement - Right Side
Tools Required
J 39946 Crankshaft Socket - 4.0L and 4.6L
Removal Procedure
1. Remove the engine front cover. Refer to Engine Front Cover Replacement (See: Timing Cover/Service and Repair).
2. Align the primary timing marks (1) using the J 39946.
3. Install an engine front cover bolt (2) into the front of the engine.
Important: Securing the right secondary camshaft drive chain shoe will prevent the right camshaft drive sprocket teeth from skipping on
the right secondary timing chain.
4. Wrap mechanics wire (1) tightly around both the right secondary camshaft drive chain shoe (3) and the front cover bolt (2).
5. Remove the 2 bolts attaching the right secondary camshaft drive chain tensioner to the engine block.
6. Remove the right secondary camshaft drive chain tensioner, allowing the tensioner to expand as you remove it.
7. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection ().