Tools Required
J 8614-01  Flange and
 Pulley Holding Tool
Removal Procedure
- Remove the cooling fan drive belt. Refer to 
Fan Belt Replacement 
 .
 
- Remove the accessory drive belt. Refer to 
Generator and Air Conditioning Compressor and Power Steering Pump Belt Replacement 
.
 
- Remove the cooling fan. Refer to 
Fan Replacement 
in Engine Cooling.
 
- Remove the radiator. Refer to 
Radiator Replacement 
in Engine Cooling.
 
Important: Do not damage the A/C condenser, if equipped, during crankshaft pulley
 service.
- Remove the crankshaft pulley retaining bolt using the J 8614-01 
 to prevent crankshaft rotation when
 loosening the bolt.
 
- The crankshaft may also
 be held by locking the flywheel through the access hole (1).
 
- Remove the crankshaft
 pulley.
 
Installation Procedure
- Lubricate the front seal and the sealing surface of the crankshaft
 pulley with Chassis Grease GM P/N 1051344 (Canadian P/N 993037)
or equivalent.
 
- Install the crankshaft
 pulley onto the crankshaft indexing the keyway.
 
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the crankshaft pulley retaining bolt using the J 8614-01 
 to prevent crankshaft rotation
 when tightening the bolt.
 
Tighten
Tighten the bolt to 150 N·m (109 lb ft).
- Install the radiator. Refer to 
Radiator Replacement 
in Engine Cooling.
 
- Install the accessory drive belt. Refer to 
Generator and Air Conditioning Compressor and Power Steering Pump Belt Replacement 
 .
 
- Install the cooling fan drive belt. Refer to 
Fan Belt Replacement 
 .
 
- Install the cooling fan. Refer to 
Fan Replacement 
in Engine Cooling.