Timing Cover: Service and Repair

Engine Front Cover

Removal
1 Disconnect the battery ground cable. For additional information, refer to Battery Disconnect and Connect Battery Disconnect and Connect
2 Recover the A/C refrigerant.
3
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.




4 Disconnect the engine oil temperature sensor electrical connector.




5 Disconnect the engine oil pressure (EOP) sensor electrical connector.
6 Remove the thermostat housing. For additional information, refer to Thermostat Housing - 4.2L, Vehicles Without: Supercharger Service and Repair




7 Detach the oil filter housing.
- Remove the 3 bolts.
- Remove and discard the O-ring seal.
8 Remove the power steering pump. For additional information, refer to Power Steering Pump - 4.2L Service and Repair
9 Remove the coolant expansion tank. For additional information, refer to Coolant Expansion Tank Service and Repair





10 Disconnect the radiator upper hose.
- Release the clip.
- Disconnect the quick release connector.





11 Release the auxiliary coolant pump.





12 Release the radiator lower hose.
- Release the clip.





13
NOTE:
Restrain the pulley to aid the removal of the bolts.
Remove the coolant pump pulley.
- Remove the 3 bolts.

14 Remove the LH valve cover. For additional information, refer to Valve Cover LH Valve Cover LH

15 Remove the RH valve cover. For additional information, refer to Valve Cover RH Valve Cover RH

16 Remove the crankshaft pulley. For additional information, refer to Crankshaft Pulley Service and Repair





17 Remove the accessory drive belt idler pulley.
- Remove the bolt.





18 Remove the accessory drive belt tensioner.
- Remove the bolt.





19
CAUTION: Immediately cap all refrigerant lines to prevent ingress of dirt and moisture.
Disconnect the refrigerant lines from the A/C compressor.
- Remove the 2 bolts.
- Remove and discard the 2 O-ring seals.





20 Position the A/C compressor aside to access the A/C compressor mounting bracket.





21 Remove the A/C compressor mounting bracket.
- Remove the 4 bolts.





22 Remove the power steering pump mounting bracket.
- Remove the 4 bolts.





23 LH side: Release the wiring harness.
- Release the 2 clips.





24 Remove the engine front cover.
- Remove the 24 bolts.
- Remove and discard the 2 gaskets.
- Remove and discard the 3 O-ring seals.

Installation





1 To install, reverse the removal procedure.
- Apply a bead of sealant 3 mm diameter, by 12 mm long, to the 8 places indicated.




2 Tighten to 12 Nm.




3 Tighten to 25 Nm




4 Tighten to 25 Nm




5 Tighten to 20 Nm.




6 Tighten to 10 Nm.




7 Tighten to 9 Nm.




8 Tighten to 45 Nm.




9 Tighten to 45 Nm.