C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
Timing Chain: Service and Repair
Timing Chain and Sprockets Installation
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Tools Required
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J 22102 Front Cover Aligner and Seal Installer
1. Use the J 22102 in order to install the crankshaft sprocket. Align the keyway of the crankshaft sprocket with the crankshaft pin.
2. Rotate the crankshaft until the crankshaft sprocket alignment mark is in the 12 o'clock position.
Notice: Do not hammer the camshaft sprocket onto the camshaft. To do so may dislodge the rear camshaft plug and damage the camshaft.
Important: Install the camshaft sprocket with the alignment mark in the 6 o'clock position.
Important: The sprocket teeth must mesh with the timing chain in order to prevent damage to the camshaft retainer.
3. Install the camshaft sprocket and timing chain.