Timing Cover: Service and Repair

Engine Front Cover Replacement

Removal Procedure

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
3. Install the engine support fixture. Refer to Engine Support Fixture (Engine Support Fixture) .
4. Remove the drive belt. Refer to Drive Belt Replacement (Service and Repair) .
5. Drain the cooling system. Refer to Cooling System Draining and Filling (LNJ Static Fill) (Service and Repair)Cooling System Draining and Filling (LNJ GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LY7 Static Fill) (Service and Repair)Cooling System Draining and Filling (LY7 GE 47716 Fill) (Service and Repair) .
6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
7. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement (Service and Repair) .
8. Remove the lower belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Lower (Drive Belt Idler Pulley Replacement - Lower) .
9. Remove the engine oil pan. Refer to Oil Pan Replacement (Service and Repair) .
10. Lower the vehicle.
11. Remove the left belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Left Side (Drive Belt Idler Pulley Replacement - Left Side) .




12. Remove the right engine mount bracket bolts (2-4).
13. Remove the right engine mount bracket (1).
14. Remove the water pump. Refer to Water Pump Replacement (RPO LNJ) (Service and Repair)Water Pump Replacement (RPO LY7) (Service and Repair) .
15. Remove the thermostat bypass hose adapter. Refer to Thermal Bypass Fitting Replacement (Service and Repair) .
16. Remove the radiator outlet hose from the engine front cover. Refer to Radiator Outlet Hose Replacement (LNJ) (Service and Repair)Radiator Outlet Hose Replacement (LY7) (Service and Repair) .




17. Remove the engine front cover bolts (2-4).
18. Remove the engine front cover (1).




19. Remove the engine front cover gasket (1).
20. Clean the engine block and front cover gasket sealing surfaces.



Installation Procedure





1. Apply sealer to the lower tabs of the engine front cover gasket. Refer to Sealers, Adhesives, and Lubricants (Mechanical Specifications) for the correct part number. Uniformly apply the sealer to both sides of the gasket lower tabs with the sealant bead being no less than 5.0 mm (0.20 in) wide as shown. Torque front cover immediately after installation of sealer coated gasket.




2. Install the gasket (1) to the engine block positioning the gasket on the locating pins (2).




3. Install the engine front cover (1) to the engine block aligning the cover with the locating pins.

Notice: Refer to Fastener Notice .

4. Install the engine front cover bolts (3, 4).

Tighten the bolts to 55 N.m (41 lb ft).

5. Install the engine front cover bolts (2).

Tighten the bolts to 27 N.m (20 lb ft).

6. Install the radiator outlet hose to the engine front cover. Refer to Radiator Outlet Hose Replacement (LNJ) (Service and Repair)Radiator Outlet Hose Replacement (LY7) (Service and Repair) .
7. Install the thermostat bypass hose adapter. Refer to Thermal Bypass Fitting Replacement (Service and Repair) .
8. Install the water pump. Refer to Water Pump Replacement (RPO LNJ) (Service and Repair)Water Pump Replacement (RPO LY7) (Service and Repair) .




9. Install the right engine mount bracket (1).
10. Install the right engine mount bracket bolts (2-4).

Tighten the bolts to 55 N.m (41 lb ft).

11. Install the engine mount bracket bolts (3).

Tighten the bolts to 25 N.m (18 lb ft).

12. Install the left belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Left Side (Drive Belt Idler Pulley Replacement - Left Side) .
13. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
14. Install the engine oil pan. Refer to Oil Pan Replacement (Service and Repair) .
15. Install the lower belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Lower (Drive Belt Idler Pulley Replacement - Lower) .
16. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement (Service and Repair) .
17. Lower the vehicle.
18. Install the drive belt. Refer to Drive Belt Replacement (Service and Repair) .
19. Remove the engine support fixture.
20. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
21. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
22. Fill the cooling system. Refer to Cooling System Draining and Filling (LNJ Static Fill) (Service and Repair)Cooling System Draining and Filling (LNJ GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LY7 Static Fill) (Service and Repair)Cooling System Draining and Filling (LY7 GE 47716 Fill) (Service and Repair) .