Sierra 1500 4WD V8-6.0L (2007)
Timing Chain: Service and Repair
Timing Chain and Sprocket Replacement (LY6, L76 and L92)
Tools Required
*
EN 46330 Timing Chain Tensioner Retaining Pin
*
J 8433 Puller Bar
*
J 41478 Crankshaft Front Oil Seal Installer
*
J 41558 Crankshaft Sprocket Remover
*
J 41665 Crankshaft Balancer and Sprocket Installer
*
J 41816-2 Crankshaft End Protector
*
J 42386-A Flywheel Holding Tool
*
J 45059 Angle Meter
Removal Procedure
1. Remove the oil pump.
2. Remove the starter motor.
Notice: Refer to Fastener Notice.
Important: Ensure that the teeth of the J 42386-A mesh with the teeth of the engine flywheel.
3. Install the J 42386-A (1) and bolts. Use one M10-1.5 x 120 mm and one M10-1.5 x 45 mm bolt for proper tool operation.
Tighten the J 42386-A bolts to 50 N.m (37 lb ft).
