CTS V6-3.2L VIN N (2003)
Timing Belt: Service and Repair
Timing Belt Replacement
Timing Belt Replacement
Tools Required
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J 42069 Timing Belt Alignment Kit
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J 42098 Crank Hub TORX© Socket
Removal Procedure
Notice: Failure to follow the described timing belt inspection and maintenance may result in a broken timing belt and cause severe engine damage.
1. Visually inspect the timing belt for cracks and wear. If cracks or wear are present, do not reuse the belt.
2. Remove the timing belt cover. Refer to Timing Belt Cover Replacement.
3. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement.
4. Rotate the crankshaft in the engine rotational direction, clockwise using the J 42098 until the #1 cylinder is at Top Dead Center (TDC) on the
compression stroke.
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The reference marks on the camshaft gears should be aligned with the corresponding notches on the rear timing belt cover, as well as the mark
on the crankshaft sprocket and oil pump housing.
5. Rotate the crankshaft counter clockwise using the J 42098 until 60 degrees Before Top Dead Center (BTDC).
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The 60 degrees BTDC point can be identified by the index mark on the oil pump cover.