Timing Gear Housing Cover
REMOVAL1. Disconnect both battery negative cables.
2. Raise vehicle on hoist.
3. Partially drain engine coolant into container suitable for re-use.
4. Lower vehicle.
5. Remove radiator upper hose.
6. Disconnect coolant recovery bottle hose from radiator filler neck and lift bottle off of fan shroud.
7. Disconnect windshield washer pump supply hose and electrical connections and lift washer bottle off of fan shroud.
8. Remove the fan shroud-to-radiator mounting bolts.
9. Remove viscous fan/drive assembly. The fan drive nut has left handed threads. Refer to Cooling System for the correct procedure.
10. Remove cooling fan shroud and fan assy. from the vehicle.
11. Remove the accessory drive belt. Refer to Drive Belts, Mounts, Brackets and Accessories for the correct procedure.
Fig. 110
12. Remove the cooling fan support/hub from the front of the engine (Fig. 110).
13. Raise the. vehicle on hoist.
Fig. 111
14. Remove the crankshaft damper (Fig. 111).
15. Lower the vehicle.
Fig. 112
16. Remove the gear cover-to-housing bolts and gently pry the cover away from the housing, taking care not to mar the gasket surfaces.
CLEANING
Clean cover and housing gasket mating surfaces. Use a suitable scraper and be careful not to damage the gear housing surface, since it is aluminum. Thoroughly clean the front seal area of the crankshaft. The seal lip and the sealing surface on the crankshaft must be free from all oil residue to prevent seal leaks.
INSPECTION
Inspect the gear housing and cover for cracks and replace if necessary. Carefully straighten any bends or imperfections in the gear cover with a ball-peen hammer on a flat surface. Inspect the crankshaft front seal and journal for imperfections and replace seal if necessary.
INSTALLATION
1. Obtain a seal pilot/installation tool from a crankshaft front seal service kit and install the pilot into the seal.
2. Apply a bead of Mopar Silicone Rubber Adhesive Sealant or equivalent to the gear housing cover. Be sure to surround all through holes.
Fig. 113
3. Using the seal pilot to align the cover (Fig. 113), install the cover to the housing and install the bolts. Tighten the bolts to 24 Nm (18 ft. lbs.) torque.
4. Remove the seal pilot.
5. Raise the vehicle.
6. Install the crankshaft damper (Fig. 111) and tighten bolts to 125 Nm (92 ft. lbs.) torque.
7. Lower vehicle.
8. Install the fan support/hub assy. (Fig. 110) and tighten bolts to 24 Nm (18 ft. lbs.) torque.
9. Install the accessory drive belt. Refer to Drive Belts, Mounts, Brackets and Accessories for the correct procedure.
10. Install the cooling fan and shroud together. Start fan nut and fan shroud-to-radiator bolts by hand.
11. Torque fan drive nut to 57 Nm (42 ft. lbs.) torque.
12. Torque fan shroud-to-radiator bolts to 11 Nm (95 in. lbs.) torque.
13. Install the windshield washer reservoir to the fan shroud and connect the washer pump supply hose and electrical connection.
14. Install the coolant recovery bottle to the fan shroud and connect the hose to the radiator filler neck.
15. Install the radiator upper hose and clamps.
16. Add coolant.
17. Connect the battery cables.
18. Start engine and inspect for leaks.