gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Timing Chain|Specifications|Page 4257 > < Timing Chain|Specifications|Page 4255
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2. Tap the key (122) into the keyway until both ends of the key bottom onto the crankshaft.

3. Install the crankshaft sprocket (207) onto the front of the crankshaft. Align the crankshaft key with the crankshaft sprocket keyway.

Timing Chain|Specifications|Page 4257 > < Timing Chain|Specifications|Page 4255