Lucerne V8-4.6L (2008)
Timing Chain Tensioner: Service and Repair
Secondary Camshaft Drive Chain Tensioner Replacement - Left
Secondary Camshaft Drive Chain Tensioner Replacement - Left 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).
Important: Aligning the primary timing marks will locate the left camshafts in a neutral position, preventing them from rotating when
the tensioner is removed.
2. Align the primary timing marks (1) using the J 39946.
3. Remove the 2 bolts attaching the left secondary camshaft drive chain tensioner to the engine block.
4. Remove the left secondary camshaft drive chain tensioner, allowing the tensioner to expand as you remove it.
5. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection ().
Installation Procedure
