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Harmonic Balancer - Crankshaft Pulley: Service and Repair


Crankshaft Pulley

Service 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.

Raise and support the vehicle.
3. Remove the accessory drive belt.
4. Remove the cooling fan shroud.
^ Release 2 clips from the cooling fan lower shroud.
^ Release and remove the cooling fan lower shroud from the cooling pack.





5. Using the special tools, retain the crankshaft pulley.

CAUTION: Under no circumstances should the crankshaft setting peg 303-645 be used in the following operations to restrain the crankshaft, during bolt removal and installation.

NOTE: The crankshaft pulley retaining bolt will be very tight.

Remove the crankshaft pulley retaining bolt.
^ Discard the bolt.
7. Remove the special tools.





8. Using the special tools, remove the crankshaft pulley.
^ Collect the locking ring.
9. Remove the special tools from the crankshaft pulley.





10. Using the special tool, remove the crankshaft front seal.
^ Remove the outer section of the seal.
^ Repeat the process to remove the inner section of seal.
11. Check the crankshaft damper pulley and locking ring for damage.

Installation
1. Clean all the crankshaft pulley mating faces.





2. Using the special tool, install the crankshaft front seal.
^ Lubricate the seal with clean engine oil.
^ Use the discarded crankshaft bolt with the service tool.
3. Install the crankshaft pulley.
^ Lubricate the seal with clean engine oil.
4. Install the crankshaft pulley locking ring.

5. CAUTION: The screw thread in the crankshaft pulley must be cleaned out before installing a new crankshaft pulley bolt.

Install, but do not tighten, a new crankshaft pulley bolt.





6. CAUTION: Under no circumstances should the crankshaft setting peg 303-645 be used in the following operations to restrain the crankshaft, during bolt removal and installation.

Using the special tools, retain the crankshaft pulley.
^ Tighten the crankshaft pulley bolt to 380 Nm (280 ft. lbs.).
7. Remove the special tools.
8. Install the cooling fan lower shroud.
9. Install the accessory drive belt.
10. Connect the battery ground cable.
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