Timing Cover: Service and Repair

Timing Cover

REMOVAL

NOTE: Timing cover, oil pump and oil pressure relief valve are only supplied as an assembly.

1. Using assistance, restrain flywheel and remove crankshaft pulley bolt and collect spacer washer.
2. Remove crankshaft pulley.
3. Remove oil pan.





4. Remove nut and washers securing oil pick-up pipe to stud.





5. Remove 2 bolts securing oil pick-up pipe to oil pump cover, withdraw pipe from cover; remove and discard O-ring.
6. Remove oil pick-up pipe, recover spacer from stud.





7. Remove bolt securing camshaft sensor to timing cover, withdraw sensor; remove and discard O-ring.
8. Release harness connector from mounting bracket.





9. Noting their installed position, remove 9 bolts securing timing cover to cylinder block; remove cover; collect camshaft sensor harness mounting bracket.

NOTE: Timing cover is dowel located.

CAUTION: Oil pump drive gear is retained in oil pump inner rotor; do not attempt to remove drive gear.

10. Remove and discard gasket.
11. Remove and discard oil seal from timing cover.

INSTALLATION
1. Clean sealant from threads of timing cover bolts.
2. Clean all traces of gasket material from mating faces of timing cover and cylinder block.

CAUTION: Use a plastic scraper.

3. Clean oil seal location in timing cover.
4. Lubricate oil pump gears and oil seal recesses in timing cover with engine oil.
5. Apply Hylosil jointing compound to new timing cover gasket, position gasket to cylinder block.





6. Locate tool No. LRT-12-090, or equivalent, on timing cover and oil pump drive gear.
7. Position timing cover to cylinder block and at the same time, rotate tool No. LRT-12-090, or equivalent, until drive gear keyway is aligned with Woodruff key.
8. Install timing cover to cylinder block.





9. Position camshaft sensor harness mounting bracket to timing cover ensuring that bracket is positioned parallel to crankshaft center line. Fit bolts and tighten in sequence shown to 22 Nm.

CAUTION: Do not install coolant pump bolts at this stage.

10. Remove tool No. LRT-12-090, or equivalent.





A-Early type seal.
B-Later type seal-use as replacement on all engines.

11. Lubricate new timing cover oil seal with Shell Retinax LX grease, or equivalent ensuring that space between seal lips is filled with grease.

CAUTION: Do not use any other type of grease.





12. Install timing cover oil seal using tool No. LRT-12-089, or equivalent.
13. Smear a new O-ring with engine oil and install to oil pick-up pipe.
14. Position oil pick-up pipe spacer on number 4 main bearing cap stud.
15. Install oil pick-up pipe ensuring that end of pipe is correctly inserted in oil pump body.
16. Install oil pick-up pipe to oil pump body bolts and tighten to 8 Nm.
17. Install washers and nut securing oil pick-up pipe to stud, tighten nut to 24 Nm.
18. Smear a new O-ring with engine oil and install to camshaft sensor.
19. Insert camshaft sensor into timing cover, install bolt and tighten to 8 Nm.
20. Position camshaft sensor harness connector on mounting bracket.
21. Install oil pan.
22. Install crankshaft pulley, install bolt and spacer washer; tighten bolt to 270 Nm.

NOTE: Crankshaft pulleys which incorporate a mud flinger can be installed to all engines.