Harmonic Balancer - Crankshaft Pulley: Service and Repair
Crankshaft PulleyService Repair No - 12.21.01
Special Service Tools
Removal
1. Disconnect the battery ground cable.
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
2. Raise and support the vehicle.
3. Remove the cooling fan.
4. Remove the cooling fan belt.
^ Note the fitted position.
^ Rotate the cooling fan belt tensioner clockwise.
^ Loosen the cooling fan belt tensioner bolt to aid the removal of the belt.
NOTE: Restrain the pulley to aid the removal of the bolts.
5. Remove the cooling fan pulley.
^ Remove the 3 bolts.
6. Remove the cooling fan drive hub bearing.
^ Remove the 5 bolts.
7. Remove the cooling fan belt tensioner.
^ Remove the bolt.
8. Release the accessory drive belt.
^ Rotate the accessory drive belt tensioner counter-clockwise, using a 3/8" drive wrench.
NOTE: Note the fitted position.
9. Remove the accessory drive belt.
CAUTION: Under no circumstances should the crankshaft setting peg, 303-645, be used in the following operations, to restrain the crankshaft.
10. Using the special tools, retain the crankshaft pulley.
NOTE: The crankshaft pulley retaining bolt will be very tight.
11. Remove the crankshaft pulley retaining bolt.
^ Discard the bolt.
^ Remove the special tools.
NOTE: The crankshaft pulley will be very tight.
12. Using the special tools, remove the crankshaft pulley.
^ Collect the locking ring.
^ Remove the special tools.
13. Using the special tool, remove and discard the crankshaft front seal.
14. Check the crankshaft damper pulley and locking ring for damage.
Installation
1. Clean all the crankshaft pulley mating faces.
2. Using the special tools, install the crankshaft front seal.
^ Lubricate the seal with clean engine oil.
^ Use the discarded crankshaft bolt with the special tool.
^ Remove the special tools.
3. Install the crankshaft pulley.
^ Lubricate the seal with clean engine oil.
4. Install the crankshaft pulley locking ring.
CAUTION: The screw thread in the crankshaft pulley must be cleaned out before installing a new crankshaft pulley bolt.
5. Install, but do not tighten, the new crankshaft pulley bolt.
CAUTION: Under no circumstances should the crankshaft setting peg, 303-645, be used in the following operations, to restrain the crankshaft.
6. Using the special tools, retain the crankshaft pulley.
^ Tighten the crankshaft pulley bolt to 380 Nm (280 ft. lbs.).
^ Remove the special tools.
7. Install the accessory drive belt.
8. Install the cooling fan belt tensioner.
^ Tighten the bolt to 40 Nm (30 ft. lbs.).
9. Install the cooling fan drive hub bearing.
^ Tighten the bolts to 10 Nm (7 ft. lbs.).
10. Install the cooling fan pulley.
^ Tighten the bolts evenly to 25 Nm (18 ft. lbs.).
11. Install the cooling fan belt.
^ Tighten the cooling fan belt tensioner bolt to 40 Nm (30 ft. lbs.).
^ Rotate the cooling fan belt tensioner clockwise.
12. Install the cooling fan.
13. Connect the battery ground cable.