Timing Cover: Service and Repair

Engine Front Cover




Material

Removal

All vehicles
1. Remove the intake manifold.





2. Remove the retaining nut and position the fuel line retaining bracket aside.





3. NOTE: Remove the thermostat housing only if a new front cover is being installed.

Remove the stud bolts and the thermostat housing.
^ Remove and discard the O-ring seal.





4. NOTE: Only one shown, others similar.

Remove the bolts and the accessory drive idler pulleys.





5. Disconnect the engine coolant fill hose from the retaining clip. Loosen the clamp and remove the engine coolant fill hose.





6. Remove the power steering pump mounting bolts.





7. Remove the LH fan stator stand-off.





8. NOTE: The front bolt will remain in the power steering pump.

Remove the power steering pump bolts and position aside.





9. Disconnect the lower radiator hose.

Vehicle with single generator





10. Remove the bolts and the accessory drive belt tensioner.

All vehicles





11. NOTE: Remove the coolant pump pulley only if a new front cover is being installed.

Remove the coolant pump pulley.





12. NOTE: Remove the coolant pump only if a new front cover is being installed.

Remove the bolts and the coolant pump.
^ Remove and discard the O-ring seal.
13. Remove the oil pump.





14. Remove the bolts and the front cover.

15. CAUTION: Sealant is used where the crankcase and lower crankcase meet. Failure to cut the sealant could result in pulling the lower crankcase seal out while removing the front cover gasket.

Use a thin blade scraper to cut the sealant where the crankcase and the lower crankcase meet. Remove and discard the front cover gasket.
^ Clean and inspect the sealing surfaces.

Installation

All vehicles





1. If removed, install the front cover crankcase dowels into the cylinder block.





2. NOTE: Use guide spuds to aid in installation. Sheds must be fabricated locally.

Install the guide spuds.





3. Apply a bead of sealant at the seam where the crankcase and the lower crankcase meet.





4. Install a new engine front cover gasket.





5. Install the engine front cover and bolts.
6. Install the oil pump.





7. NOTE: Install a new O-ring seal on the coolant pump pulley.

If removed, install the coolant pump and bolts.





8. If removed, install the coolant pump pulley and bolts.

Vehicles with single generator





9. Install the accessory drive belt tensioner and bolts.

All vehicles





10. Install the lower radiator coolant hose.





11. Position the power steering pump and install the bolts.





12. Install the LH fan stator stand-off.





13. Install the power steering pump upper mounting bolts.





14. Install the engine coolant fill hose and tighten the clamp. Connect the engine fill hose into the retaining clip.





15. Install the accessory drive idler pulleys and bolts, as needed.





16. NOTE: Install a new O-ring seal.

If removed, install the thermostat housing and stud bolts.





17. Position back the fuel line retaining bracket and install the retaining nut.
18. Install the intake manifold.