Page 793 of 2490
Installation
2. Remove the tensioner blade.
10. Clean and inspect all relevant components.
1. Fit the chain tensioner blade.
1. Position the tensioner blade to the cylinder block.
2. Fit the retaining / pivot bolt and tighten it to 12-16 Nm.
2. Remove the Tie-Stra p from the chain.
3. Refit the Timing Chain Tensioner - Primary. The camshafts may
need to be turned slightly to pr ovide slack in the chain, on the
tensioner side. Refer to Operation 12.65.54 in this Section.
4. Refit the VVT Bush Carrier As sembly. Refer to Operation
12.65.51 in this Section.
5. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section.
6. Move the engine compartment co ver from the service position
and connect the gas struts.
7. Remove the paint protection sheets and close the cover.
8. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.
Page 794 of 2490
Engine - Primary Timing Chain Tensioner LH
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.
3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove the Timing Co ver. Refer to Operation 12.65.01 in this
Section.
5. Remove the primary ch ain tensioner bolts.
6. Remove the tensioner assembly.
1. Remove the tensioner.
2. Remove the tensioner back-plate.
7. Clean and inspect all relevant components.
1. Push the tensioner piston into the body to provide clearance
for fitting.
1. Insert a thin rigid wire th rough the hole in the end of
the tensioner piston to displace the ball from the non-
return valve seat.
Page 795 of 2490
2. With the wire in position, press the piston fully into the tensioner body.
Remove the wire.
2. Assemble the tensioner.
1. Fit the two mounting bolts to the tensioner.
2. Locate the tensioner back-plate to the two bolts.
3. Fit the tensioner to the cylinder block.
1. Position and align the tensioner to the cylinder block and to the mating slot on the rear face of the
tensioner blade.
2. Fit and tighten the two bolts to 10-14 Nm.
4. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section.
5. Move the engine compartment co ver from the service position
and connect the gas struts.
6. Remove the paint protection sheets and close the cover.
7. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.
Page 796 of 2490
Engine - Primary Timing Chain Tensioner RH
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.
3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove the Timing Co ver. Refer to Operation 12.65.01 in this
Section.
5. Remove the primary ch ain tensioner bolts.
6. Remove the tensioner assembly.
1. Remove the tensioner.
2. Remove the tensioner back-plate.
7. Clean and inspect all relevant components.
1. Push the tensioner piston into the body to provide clearance
for fitting.
1. Insert a thin rigid wire th rough the hole in the end of
the tensioner piston to displace the ball from the non-
return valve seat.
Page 797 of 2490
2. With the wire in position, press the piston fully into the tensioner body.
Remove the wire.
2. Assemble the tensioner.
1. Fit the two mounting bolts to the tensioner.
2. Locate the tensioner back-plate to the two bolts.
3. Fit the tensioner to the cylinder block.
1. Position and align the tensioner to the cylinder block and to the mating slot on the rear face of the
tensioner blade.
2. Fit and tighten the two bolts to 10-14 Nm.
4. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section.
5. Move the engine compartment co ver from the service position
and connect the gas struts.
6. Remove the paint protection sheets and close the cover.
7. Connect the battery and fit the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.
Page 798 of 2490
Engine - Secondary Timing Chain LH
In-vehicle Repair
Removal
Special Tool(s)
Camshaft setting
303-530
Timing chain tensioning
303-532
Wedges, primary chain
303-533
Crankshaft setting
303-531 1. Open the engine compartment and fit paintwork protection
sheets.
2. Set the engine compartment cover to the service access
position.
3. Disconnect the batt ery ground cable.
Remove the battery cover.
4. Remove the Timing Co ver. Refer to Operation 12.65.01 in this
Section.
5. Remove the Variable Valve Ti ming Bush Carrier Assembly.
Refer to Operation 12.65.52 in this Section
6. Raise the vehicle on a ramp.
7. Remove the crankshaft position sensor.
Page 799 of 2490

1. Remove the bolt which secures the crankshaft position sensor to the flywheel housing.
Remove the sensor and allow it to hang free under the
engine.
2. Remove the access grommet (for torque converter bolts) from the housing.
8. Fit the damper securing bolt (old one) to the crankshaft, hand-
tight only.
9. Rotate the crankshaft until the triangular arrow indent on
the drive plate is visible thro ugh the access hole; confirm
that the timing flat on ea ch camshaft is uppermost.
10. Fit the crankshaft setting peg 303 - 531 to the crankshaft
position sensor location.
1. Fit the crankshaft setting peg 303 - 531.
Position the crankshaft so that the setting peg engages
fully into the timing slot.
2. Fit and tighten the bolt to secure the setting peg.
11. Remove the damper securing bolt from the crankshaft.
12. Lower the vehicle on the ramp.
13. Fit the camshaft locking tool 303 - 530 to the B-Bank
camshafts, aligning the shafts slightly as necessary.
14. Loosen the bolt which secures the sprocket to the exhaust
camshaft.
Page 800 of 2490

15. Loosen the bolt which secures the VVT unit.
Do not tamper with the three bolts which secure the VVT
mechanism to the sprockets. It is sealed at the factory to
the correct valve timing specif ication for the engine and is
supplied only as a complete unit.
16. Remove the primary chain tens ioner. Refer to operation
12.65.55, in this Section.
17. Remove the primary ch ain tensioner blade.
1. Remove the pivot bolt which secures the tensioner blade.
2. Remove the tensioner blade.
18. Reposition the VVT unit along the cam journal to allow the
chain to clear the head casting.
Disconnect the primary chain from the VVT unit and
reposition it against the crankshaft sprocket.
19. Remove the VVT unit.
1. Remove the securing bolt from the VVT unit and the exhaust cam sprocket.
2. Remove the VVT unit, exhaust sprocket and secondary chain as an asse mbly (release the chain
from the tensioner which is still secured to the
cylinder head).
Remove the secondary chain from the VVT unit and the
sprocket.