Timing Cover: Service and Repair

Engine Front Cover









Engine Front Cover (View 1 of 3)









Engine Front Cover (View 2 of 3)









Engine Front Cover (View 3 of 3)









Removal

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages, coolant passages or the oil pan can cause engine failure.

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. Release the fuel system pressure. For additional information, refer to Fuel System - General Information Service and Repair.

3. Disconnect the battery ground cable. For additional information, refer to Battery, Mounting and Cables Battery Disconnect.

4. Remove the crankshaft front seal. For additional information, refer to Crankshaft Pulley and Crankshaft Front Seal - Exploded View Crankshaft Pulley and Crankshaft Front Seal - Exploded View and Crankshaft Front Seal Crankshaft Front Seal.

5. Remove the generator bolt and the 2 nuts.





6. Remove the 2 studs and position the generator away from the engine.





7. Remove the 3 bolts and the accessory drive belt tensioner.

8. Detach the wiring harness retainer from the engine front cover stud bolt.

9. Disconnect the Crankshaft Position (CKP) electrical connector and detach the wiring harness retainer.





10. Disconnect the 2 Camshaft Position (CMP) sensor electrical connectors and detach the wiring harness retainer from the engine front cover stud bolt.

11. Remove the LH and RH Variable Camshaft Timing (VCT) oil control solenoids. For additional information, refer to Electronic Engine Controls - 3.0L (4V) Service and Repair.

12. Remove the engine mount. For additional information, refer to Engine Mount Removal and Replacement.

13. Remove the 2 oil pan-to-front cover bolts.

14. Remove the 14 bolts, 2 stud bolts and the engine front cover.
- Remove and discard the gaskets.

Installation

1. NOTICE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths.

NOTICE: Do not damage the oil pan gasket while cleaning the sealant from the lower cylinder block-to-oil pan joint.

Use a plastic scraping tool to remove all traces of sealant.

- Clean all sealing surfaces with metal surface prep and install new gaskets.

2. NOTE: The engine front cover must be installed and the bolts tightened within 4 minutes of applying sealant.

Apply a 6 mm (0.23 in) diameter dot of silicone gasket and sealant to the cylinder block, lower cylinder block, cylinder head and oil pan mating surfaces.





3. Position the engine front cover and install the bolts. Tighten in the sequence shown to 25 Nm (18 lb-ft).









4. Install the 2 oil pan-to-front cover bolts.
- Tighten to 25 Nm (18 lb-ft).

5. Remove the oil pan drain plug and drain the engine oil.
- Install the plug and tighten to 26 Nm (19 lb-ft).

6. Install the engine mount. For additional information, refer to Engine Mount Removal and Replacement.

7. Install the LH and RH VCT oil control solenoids. For additional information, refer to Electronic Engine Controls - 3.0L (4V) Service and Repair.

8. Connect the 2 CMP sensor electrical connectors and attach the wiring harness retainer to the engine front cover stud bolt.

9. Connect the Crankshaft Position (CKP) electrical connector and attach the wiring harness retainer.

10. Attach the wiring harness retainer to the engine front cover stud bolt.

11. Install the accessory drive belt tensioner and the 3 bolts.
- Tighten to 25 Nm (18 lb-ft).

12. Position the generator and install the 2 studs.
- Tighten to 8 Nm (71 lb-in).

13. Install the generator bolt and 2 nuts.
- Tighten to 47 Nm (35 lb-ft).

14. Install the crankshaft front seal. For additional information, refer to Crankshaft Pulley and Crankshaft Front Seal - Exploded View Crankshaft Pulley and Crankshaft Front Seal - Exploded View and Crankshaft Front Seal Crankshaft Front Seal.

15. Fill the engine with clean engine oil.

16. Connect the battery ground cable. For additional information, refer to Battery, Mounting and Cables Battery Disconnect.

17. Using the scan tool, perform the Misfire Monitor Neutral Profile Correction procedure following the on-screen instructions.