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Installation
19.70.28.
15. Remove the supercharger outlet duct and gasket. Refer to
Operation 18.50.17.
16. Remove the coolant output pipe. Refer to Operation (SC)
26.31.08.
17. Remove the supercharger driv e belt. Refer to Operation
18.50.08.
18. Remove the supercharger as sembly. Refer to operation
18.50.15.
19. Remove the A-Bank intercooler. Refer to Operation 18.50.18.
20. Disconnect the fuel injector harness.
1. Disconnect the multi-plugs from the A-Bank injectors.
2. Loosen, do not remove, the nuts which secure the
harness to the camshaft cover.
3. Reposition the harness for access.
21. Remove the fuel rail.
1. Remove the three bolts whic h secure the fuel rail to
the intercooler adaptor.
2. Remove the fuel rail from the adaptor; still connected
to the fuel crossover pipe and fuel return pipe.
22. Remove the intercoole r adaptor assembly.
1. Remove and discard the seals from the fuel rail.
2. Remove the five bolts which secure the adaptor
assembly to the cylinder head.
3. Remove the adaptor assembly from the cylinder head.
Remove the gasket; adaptor assembly to cylinder head.
23. Clean and inspect all relevant mating faces.
1. Fit the intercooler adaptor assembly.
1. Fit a new gasket; adaptor assembly to cylinder head.
2. Align and fit the adaptor assembly to the cylinder head.
Page 747 of 2490

3. Fit the five bolts which secure the adaptor assembly to the cylinder head.
4. Fit new seals to the fuel rail.
2. Fit the fuel rail to the intercooler adaptor.
1. Align the fuel rail to the adaptor; still connected to the fuel crossover pipe and fuel return pipe. Locate
the fuel rail into the adaptor.
2. Fit the three bolts which secure the fuel rail to the adaptor.
3. Connect the fuel injector harness.
1. Reposition the harness.
2. Tighten the nuts which secure the harness to the
camshaft cover.
3. Connect the multi-plugs to the A-Bank injectors.
4. Fit the A-Bank intercooler. Refer to Operation 18.50.18.
5. Fit the supercharger assembly. Refer to operation 18.50.15.
6. Fit the supercharger drive belt . Refer to Operation 18.50.08.
7. Fit the coolant output pipe. Refer to Operation 26.31.08.
8. Fit the throttle induction elbow. Refer to Operation 19.70.28.
9. Fit the throttle housing. Refer to Operation 19.70.04.
10. Fit the supercharger outlet duct and gasket. Refer to
Operation 18.50.17.
11. Fit the intake tube / air flow meter / air cleaner cover
assembly.
1. Fit a new rubber seal; air in take tube to throttle body.
2. Fit the intake tube / air flow meter / air cleaner cover
assembly.
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12. Reconnect the air cleaner cover.
Fit the five clips which secu re the air cleaner cover.
13. Connect the intake tube to the throttle body.
1. Connect the intake tube to the throttle body.
2. Fit the two bolts which secure the intake tube to the throttle body.
14. Reconnect the air flow meter multi-plug.
15. Fit a new strap to secure the vacuum pipe to the induction
elbow.
16. Connect the breather pipe to the A-Bank camshaft cover.
1. Fit a new O-ring seal to the breather pipe.
2. Reconnect the breather pipe to the stub pipe.
17. Refill the cooling system. Refer to Operation (SC) (26.10.01).
18. Connect the battery and fit the battery cover.
Page 755 of 2490
Engine - Oil Pump4.0L NA V8 - AJ27/3.2L NA V8 - AJ26
In-vehicle Repair
Removal
Installation
1. Disconnect battery ground cable.
Remove the battery cover.
2. Remove the engine compartment cover (bonnet) for improved
access to the fro nt of the engine. Refer to Operation 76.16.01.
3. Remove the Crankshaft Sprocket B-Bank. Refer to Operation
12.65.76.
4. Remove the oil pump.
1. Remove the four bolts which secure the oil pump to the cylinder block.
2. Remove the oil pump.
3. Remove the gasket.
5. Clean and inspect all compon ents and mating faces.
1. Fit the oil pump to the cylinder block.
1. Fit a new gasket to the block face.
2. Fit the oil pump onto the front of the crankshaft, to
the block face; ensure that the drive flats on the
Page 757 of 2490
Engine - Oil Pump4.0L SC V8 - AJ26
In-vehicle Repair
Removal
Installation
1. Disconnect battery ground cable.
Remove the battery cover.
2. Remove the engine compartment cover (bonnet) for improved
access to the fro nt of the engine. Refer to Operation 76.16.01
(SC).
3. Remove the Crankshaft Sprocket B-Bank. Refer to Operation
12.65.76 (SC).
4. Remove the oil pump.
1. Remove the four bolts which secure the oil pump to the cylinder block.
2. Remove the oil pump.
3. Remove the gasket.
5. Clean and inspect all compon ents and mating faces.
1. Fit the oil pump to the cylinder block.
1. Fit a new gasket to the block face.
2. Fit the oil pump onto the front of the crankshaft, to
Page 759 of 2490
Engine - Primary Timing Chain LH4.0L NA V8 - AJ27
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 VVT bush carrier from the A-Bank.
1. Remove the three bolts which secure the carrier to the cylinder block.
Page 760 of 2490
2. Release the carrier from the two ring dowels and
remove it.
6. Remove the seals from the bush carrier.
1. Remove the sealing ring (scarf jointed) from the
carrier bush groove.
2. Remove the O-ring from the carrier oil-way recess.
7. Remove the VVT bush carrier from the B-Bank.
1. Remove the two bolts and one nut which secure the carrier to the cylinder block.
2. Release the carrier from the two ring dowels and
remove it.
8. Remove the seals from the bush carrier.
1. Remove the sealing ring (scarf jointed) from the
carrier bush groove.
2. Remove the O-ring from the carrier oil-way recess.
9. Raise the vehicle on a ramp.
10. Remove the crankshaft position sensor.
1. Remove the bolt which secures the crankshaft position sensor to the flywheel housing.
1. Remove the sensor and allow it to hang free under
the engine.
Page 761 of 2490
2. Remove the access grommet (for torque converter bolts) from the housing.
11. Fit the damper securing bolt (old one) to the crankshaft,
hand-tight only.
12. 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.
13. Fit the crankshaft setting peg 303 - 531 to the crankshaft
position sensor location.
1. Fit the crankshaft setting peg 303 - 531.
1. 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.
14. Remove the damper securing bolt from the crankshaft.
15. Lower the vehicle on the ramp.
16. Fit the camshaft locking tool 303 - 530 to the A-Bank
camshafts, aligning the shafts slightly as necessary.
17. Loosen the bolt which secures the sprocket to the camshaft.