Timing Cover: Service and Repair

Engine Front Cover




















Removal

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Remove both valve covers.
3. Remove the coolant pump. For additional information, refer to Cooling System.
4. Remove the crankshaft front seal.
5. Remove the 3 bolts and position the power steering pump aside.
6. Drain the engine oil.
^ Install the drain plug when finished.
^ Tighten to 23 Nm (17 ft. lbs.).
7. Remove the 4 front oil pan-to-engine front cover bolts.
8. Remove the bolt and the shield.
9. Remove the bolt and the accessory drive idler pulley.
10. Remove the bolts and the stud bolts in the sequence shown.





11. Remove the engine front cover from the front cover-to-cylinder block dowel.





12. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surface. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the gasket material.

Clean the gasket surfaces with a plastic scraping tool and metal surface cleaner.

Installation

1. CAUTION: If the engine front cover is not secured within 4 minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of wetness, or for 4 minutes, whichever is longer. Failure to follow this procedure may cause future oil leakage.

Apply silicone gasket and sealant along the cylinder head-to-block surface and the oil pan-to-cylinder block surface.





2. Install the engine front cover on the front cover-to-cylinder block dowel and loosely install the bolts.





3. Tighten the front cover fasteners in the sequence shown to 25 Nm (18 ft. lbs.).











4. Install the accessory drive idler pulley and the bolt.
^ Tighten to 25 Nm (18 ft. lbs.).
5. Install the shield and the bolts.
^ Tighten to 25 Nm (18 ft. lbs.).
6. Loosely install the 4 front oil pan bolts.

7. NOTE: Make sure to tighten the bolts in 2 stages.

Tighten the 4 front oil pan bolts in 2 stages.
^ Stage 1: Tighten to 20 Nm (15 ft. lbs.).
^ Stage 2: Tighten an additional 60 degrees.

8. NOTE: The front lower hole in the power steering pump is not used.

Position the power steering pump and install the 3 bolts.
^ Tighten to 25 Nm (18 ft. lbs.).
9. Install a new crankshaft front oil seal.
10. Install the coolant pump.
11. Install the valve covers.
12. Fill the engine with clean engine oil.

13. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury.

If equipped with fire suppression system, repower the system.