gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Camshaft, Engine|Service and Repair|Page 3841 > < Camshaft Gear/Sprocket|Specifications
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Camshaft: Service and Repair

Camshaft Replacement

Tools Required

-

J 44643 Flywheel Holding Tool

-

J 26900-13 Magnetic Base

-

J 26900-12 Dial Indicator

Removal Procedure

1. Remove the valve lifters. 
2. Remove the starter. 
3. Install the J 44643 in order to hold the flywheel.
4. Remove the engine front cover. 

5. Remove the oil pump driven gear nut.
6. Remove the oil pump driven gear.

Important: The crankshaft reluctor and the oil pump drive gear are timed together at the factory. Do not remove the crankshaft reluctor
from the oil pump drive gear.

Camshaft, Engine|Service and Repair|Page 3841 > < Camshaft Gear/Sprocket|Specifications