Tools Required

J 22102 Front Cover Seal Installer

1. Disconnect the battery negative cables from the batteries. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.



3. Remove the engine oil fill tube from the front cover.
4. Remove the crankshaft balancer from the crankshaft. Refer to Crankshaft Balancer Replacement .
5. Remove the water pump from the engine front cover. Refer to Water Pump Replacement in Engine Cooling.
6. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
7. Remove the crankshaft position sensor from the engine front cover. Refer to Crankshaft Position Sensor Replacement in Engine Controls-6.5L (L65).
8. Lower the vehicle.



9. Remove the fuel injection drive gear from the fuel injection pump.



10. Remove the nuts retaining the injection pump to the engine front cover. The injection pump does not require removal.




Important: Mark the fuel line clips, so that they can be re-installed on the proper stud.

11. Remove the bolts from the front of the engine front cover.
12. Remove the bolts retaining the oil pan to the engine front cover.



13. Remove the engine front cover from the engine block.
14. Clean and inspect the sealing surface of the engine block.

1. Use the J 22102 to install the new front crankshaft front oil seal.



2. Apply a 2 mm (3/32 in) bead of anaerobic sealant GM P/N 1052942 or equivalent to the engine front cover.
3. Apply a 5 mm (3/16 in) bead of RTV sealant GM P/N 12346286 to the engine front cover sealing surface that mates against the oil pan.



4. Install the engine front cover to the engine block.




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.

5. Install the bolts retaining engine front cover to the engine block.

Tighten
Tighten the front cover bolts to 45 N·m (33 lb ft).

6. Install the bolts retaining the oil pan to the engine front cover.

Tighten
Tighten the oil pan bolts to 10 N·m (89 lb in).




7. Install the nuts retaining the fuel injection pump to the front cover.

Tighten
Tighten the nuts to 40 N·m (30 lb ft).




8. Install the fuel injection pump drive gear and bolts to the fuel injection pump.

Tighten
Tighten the bolts to 25 N·m (20 lb ft).

9. Install the crankshaft balancer to the crankshaft. Refer to Crankshaft Balancer Replacement .
10. Raise the vehicle.
11. Install the crankshaft position sensor to the engine front cover. Refer to Crankshaft Position Sensor Replacement in Engine Controls-6.5L (L65).
12. Lower the vehicle.
13. Install the water pump to the engine block. Refer to Water Pump Replacement in Engine Cooling.
14. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.



15. Install the engine oil fill tube to the front cover.
16. Connect the battery negative cables to the batteries. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
17. Perform the TDC offset adjustment. Refer to Fuel Injection Pump Top Dead Center Offset Adjustment in Engine Controls-6.5L (L65).