DTS V8-4.6L VIN Y (2006)
Timing Chain Tensioner: Service and Repair
Secondary Camshaft Drive Chain Tensioner Replacement - Left
Secondary Camshaft Drive Chain Tensioner Replacement - Left
Tools Required
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J39946 Crankshaft Socket-4.0L and 4.6L
Removal Procedure
1. Remove the engine front cover.
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 J39946.
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.
Installation Procedure