Timing Cover: Service and Repair
Engine Front CoverSpecial Tool(s):
Material:
Removal
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Drain the engine oil.
3. Remove the engine cooling fan. For additional information, refer to Cooling System.
4. Remove the cooling fan shroud. For additional information, refer to Cooling System.
5. Remove the RH valve cover.
6. Remove the LH valve cover.
7. Rotate the tensioner clockwise and remove the accessory drive belt.
8. Remove the nut and the power steering pressure hose support bracket.
9. Remove the nut and the battery wiring harness and transmission cooler tube support brackets.
10. Remove the crankshaft pulley bolt and washer. - Discard the crankshaft pulley bolt.
11. Using the special tool, remove the crankshaft pulley.
12. Using the special tool, remove and discard the crankshaft front seal.
13. Remove the 3 bolts and the 3 accessory drive idler pulleys.
14. Remove the 4 bolts and the coolant pump pulley.
15. Remove the 3 bolts and the accessory drive belt tensioner.
16. Disconnect the RH camshaft position (CMP) sensor wiring harness retainer from the cylinder head.
17. Disconnect the A/C compressor electrical connector.
18. Disconnect the crankshaft position (CKP) sensor electrical connector.
19. Remove the bolt and the RH CMP sensor.
20. NOTE: LH shown, RH similar.
Disconnect the radio ignition interference capacitor electrical connectors.
21. Remove the nut and the RH radio ignition interference capacitor.
22. Remove the nut and the LH radio ignition interference capacitor.
23. Remove the bolt and the LH CMP sensor.
^ Discard the O-ring seal.
24. Disconnect the wiring harness position retainer from the power steering pump stud bolt.
25. Disconnect the wiring harness position retainer and the engine oil pressure (EOP) switch electrical connector and position the wiring harness aside.
26. Remove the 2 bolts, the stud bolt and position the power steering pump assembly aside.
27. Remove the 4 front oil pan bolts.
28. Remove the bolts and the studs.
29. Remove the engine front cover from the front cover to cylinder block dowel.
30. Remove the bolt and the CKP sensor.
^ Discard the O-ring seal.
31. CAUTION: 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. Use a plastic scraping tool to remove all traces of old sealant.
Remove and discard the engine front cover gaskets.
^ Clean the mating surfaces with silicone gasket remover and metal surface prep. Follow the directions on the packaging.
^ Inspect the mating surfaces.
Installation
1. NOTE: Lubricate the O-ring with clean engine oil prior to installation.
Install the CKP sensor and the bolt.
^ Tighten to 10 Nm (89 inch lbs.)
2. CAUTION: 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. Use a plastic scraping tool to remove all traces of old sealant.
NOTE: If the engine front cover is not secured within 4 minutes, the sealant must be removed and the sealing area cleaned with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Allow to dry until there is no sign of wetness, or 4 minutes, whichever is longer. Failure to follow this procedure can cause future oil leakage.
NOTE: Make sure that the engine front cover gasket is in place on the engine front cover before installation.
Apply a bead of silicone gasket and sealant along the cylinder head-to-cylinder block surface and the oil pan-to-cylinder block surface, at the locations shown.
3. Install new engine front cover gaskets on the engine front cover. Position the engine front cover onto the dowels. Install the fasteners finger tight.
4. Tighten the engine front cover fasteners in 2 stages, in the sequence shown.
Stage 1: Tighten fasteners 1 through 15 to 25 Nm (18 ft. lbs.)
Stage 2: Tighten fasteners 6 and 7 to 48 Nm (35 ft. lbs.)
5. Loosely install the bolts, then tighten the bolts in 2 stages, in the sequence shown.
^ Stage 1: Tighten to 20 Nm (15 ft. lbs.)
^ Stage 2: Tighten an additional 60 degrees.
6. Position the power steering pump assembly and install the bolts.
^ Tighten to 25 Nm (18 ft. lbs.)
7. Position the power steering pressure hose support bracket and install the nut.
^ Tighten to 10 Nm (89 inch lbs.)
8. Position the transmission cooler tube support bracket and install the nut.
^ Tighten to 10 Nm (89 inch lbs.)
9. NOTE: Lubricate the O-ring seal with clean engine oil prior to installation.
Install the RH CMP sensor and the bolt.
^ Tighten to 10 Nm (89 inch lbs.)
10. Connect the RH CMP sensor electrical connector.
11. Connect the wiring harness retainer from the cylinder head.
12. Connect the A/C compressor electrical connector.
13. Connect the CKP sensor electrical connector.
14. Install the LH radio ignition interference capacitor and the nut.
^ Tighten to 25 Nm (18 ft. lbs.)
15. NOTE: Lubricate the O-ring seal with clean engine oil prior to installation.
Install the LH CMP sensor and the bolt.
^ Tighten to 10 Nm (89 inch lbs.)
16. Connect the LH CMP sensor electrical connector.
17. Install the RH radio ignition interference capacitor and the nut.
^ Tighten to 25 Nm (18 ft. lbs.)
18. NOTE: LH shown, RH similar.
Connect the radio ignition interference capacitor electrical connectors.
19. Connect the wiring harness position retainer to the power steering pump stud bolt.
20. Connect the wiring harness position retainer and the EOP switch electrical connector.
21. Install the accessory drive belt tensioner and the 3 bolts.
^ Tighten to 25 Nm (18 ft. lbs.)
22. Install the coolant pump pulley and the 4 bolts.
^ Tighten to 25 Nm (18 ft. lbs.)
23. Install the 3 accessory drive idler pulleys and the 3 bolts.
^ Tighten to 25 Nm (18 ft. lbs.)
24. Lubricate the engine front cover and the crankshaft front seal inner lip with clean engine oil.
25. Using the special tools, install the crankshaft front seal into the engine front cover.
26. NOTE: If not secured within 4 minutes, the sealant must be removed and the sealing area cleaned with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Allow to dry until there is no sign of wetness, or 4 minutes, whichever is longer. Failure to follow this procedure can cause future oil leakage.
Apply silicone gasket and sealant to the Woodruff key slot on the crankshaft pulley.
27. Use the special tool to install the crankshaft pulley.
28. Tighten the new crankshaft pulley bolt in 4 stages.
^ Stage 1: Tighten to 90 Nm (66 ft. lbs.)
^ Stage 2: Loosen 360 degrees.
^ Stage 3: Tighten to 50 Nm (37 ft. lbs.)
^ Stage 4: Tighten an additional 90 degrees.
29. Rotate the tensioner clockwise and install the accessory drive belt.
30. Install the RH valve cover.
31. Install the LH valve cover.
32. Install the cooling fan shroud.
33. Install the engine cooling fan.
34. Fill the crankcase with clean engine oil.