Cover - Timing Gear - Upper

Cover - timing gear - upper
This procedure covers both LH and RH timing gear upper covers.

Remove
1. Remove camshaft cover.
2. Remove VCC solenoid valve.





3. Remove bolt securing CMP sensor and remove sensor. Discard 'O' ring.





4. Remove bolt securing SAI pipe to RH cylinder head.





5. Remove bolt securing SAI pipe to LH cylinder head.





6. Remove Allen bolt securing secondary air injection SAI pipe clip to coolant pump.
7. Release SAI pipe from cylinder heads and position aside, discard 'O' rings.

Disassembly





1. RH upper timing gear cover: Remove 2 bolts securing VCC solenoid seal and remove seal.





2. RH upper timing gear cover: Remove chain tensioner from timing gear cover and discard sealing washer.
3. RH upper timing gear cover: Separate chain tensioner body and allow oil to drain.





4. RH upper timing gear cover: Remove 2 bolts securing engine harness bracket to RH timing gear cover and remove bracket.





5. Remove 2 bolts securing 2 brackets to upper timing gear cover and remove brackets.





6. Remove 6 bolts securing timing gear cover to cylinder head and remove timing gear cover.
7. Discard timing gear cover gasket.

NOTE: Do not carry out further dismantling if component is removed for access only.





8. Remove bolt securing CMP sensor and remove sensor.
9. Discard 'O' ring.

Inspect
1. Clean CMP sensor and mating face.

Reassembly
1. Fit new 'O' ring to CMP sensor.
2. Fit CMP sensor, fit bolt and tighten to 10 Nm (7 ft. lbs.).
3. Clean timing gear cover and mating face, clean dowels and dowel holes.
4. Remove bolt securing CMP sensor and remove sensor.





5. Apply sealant STC 50550 to areas illustrated.
6. Fit RH lower bolt to timing gear cover and position cover to cylinder head.

NOTE: It is not possible to fit the RH lower bolt after fitting the LH upper timing gear cover.

7. Fit remaining 5 bolts and hand tighten 6 bolts securing timing cover.





8. Fit LRT-12-225/2 to LH camshaft cover.





9. Fit camshaft cover and tool, fit 4 bolts and tighten to 10 Nm (7 ft. lbs.).
10. Tighten bolts securing timing gear cover to 15 Nm (11 ft. lbs.).
11. Position 2 brackets to timing gear cover, fit bolts and tighten.
12. Remove 4 bolts securing camshaft cover, remove camshaft cover and LRT-12-225/2.
13. RH upper timing gear cover: Fit new sealing washer, fit timing chain tensioner and tighten plug securing chain tensioner to 40 Nm (30 ft. lbs.).
14. RH upper timing gear cover: Clean RH VCC solenoid seal and mating faces.
15. RH upper timing gear cover: Lubricate inner mating face of VCC solenoid seal.
16. RH upper timing gear cover: Fit VCC solenoid seal, fit bolts and tighten.

Refit
1. Fit 2 new 'O' rings to SAI pipe and position SAI pipe to engine. Fit 3 bolts and tighten 3 bolts securing SAI pipe to 10 Nm (7 ft. lbs.).
2. Fit LH VCC solenoid valve.
3. Fit LH camshaft cover.