Page 660 of 2490

Engine - Exhaust Camshaft 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 Exhaust Camshaft Sp rocket. Refer to Operation
12.65.74.
5. Remove the camshaft locking tool 303 - 530 (fitted for
previous operation).
6. Remove the camshaft.
1. Remove the bolts which secure the camshaft caps; loosen them evenly, in stages.
2. Remove the camshaft caps. Note their orientation and
markings - each is marked with its position (a
number) and orientation (an arrow).
3. Remove the camshaft from the engine.
7. Clean and inspect all relevant components.
1. Apply oil (EP - 90) to the cams haft and bearing surfaces, as
follows:
To the upper face of each be aring surface (two places) in
the cylinder head.
To the upper face of each be aring surface (two places) in
each bearing cap.
On the cam lobes ONLY, not on the base circle area.
2. Refit the camshaft.
1. Fit the camshaft to position in the cylinder head, with the timing flats uppermost.
Page 662 of 2490

Engine - Exhaust Camshaft 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 Exhaust Camshaft Sp rocket. Refer to Operation
12.65.73.
5. Remove the camshaft locking tool 303 - 530 (fitted for
previous operation).
6. Remove the camshaft.
1. Remove the bolts which secure the camshaft caps; loosen them evenly, in stages.
2. Remove the camshaft caps. Note their orientation and
markings - each is marked with its position (a
number) and orientation (an arrow).
3. Remove the camshaft from the engine.
7. Clean and inspect all relevant components.
1. Apply oil (EP - 90) to the cams haft and bearing surfaces, as
follows:
To the upper face of each be aring surface (two places) in
the cylinder head.
To the upper face of each be aring surface (two places) in
each bearing cap.
On the cam lobes ONLY, not on the base circle area.
2. Refit the camshaft.
1. Fit the camshaft to position in the cylinder head, with the timing flats uppermost.
Page 664 of 2490
Engine - Exhaust Camshaft Sprocket LH4.0L NA V8 - AJ27
In-vehicle Repair
Removal
Special Tool(s)
Camshaft setting
303-530
Crankshaft setting
303-531
Timing chain tensioning
303-532
1. Open the engine compartment and fit paintwork protection
sheets.
2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Cam Cover from Ba nk 2. Refer to Operation
12.29.43.
4. Raise the vehicle on a ramp.
5. Remove the crankshaft position sensor.
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.
Page 668 of 2490
Engine - Exhaust Camshaft Sprocket LH4.0L SC V8 - AJ26/3.2L NA V8 -
AJ26
In-vehicle Repair
Removal
Special Tool(s)
Camshaft setting
303-530
Crankshaft setting
303-531
Timing chain tensioning
303-532
1. Open the engine compartment and fit paintwork protection
sheets.
2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Cam Cover from Ba nk 2. Refer to Operation
12.29.43.
4. Raise the vehicle on a ramp.
5. Remove the crankshaft position sensor.
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.
Page 672 of 2490
Engine - Exhaust Camshaft Sprocket RH4.0L NA V8 - AJ27
In-vehicle Repair
Removal
Special Tool(s)
Camshaft setting
303-530
Crankshaft setting
303-531
Timing chain tensioning
303-532
1. Open the engine compartment and fit paintwork protection
sheets.
2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Cam Cover from Ba nk 1. Refer to Operation
12.29.44.
4. Raise the vehicle on a ramp.
5. Remove the crankshaft position sensor.
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.
Page 677 of 2490
Engine - Exhaust Camshaft Sprocket RH4.0L SC V8 - AJ26/3.2L NA V8 -
AJ26
In-vehicle Repair
Removal
Special Tool(s)
Camshaft setting
303-530
Crankshaft setting
303-531
Timing chain tensioning
303-532
1. Open the engine compartment and fit paintwork protection
sheets.
2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Cam Cover from Ba nk 1. Refer to Operation
12.29.44.
4. Raise the vehicle on a ramp.
5. Remove the crankshaft position sensor.
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.
Page 696 of 2490

Engine - Flexplate4.0L NA V8 - AJ27/3.2L NA V8 - AJ26
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paint protection sheets.
2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Engine Covers, Air Intake Tube, Catalytic
Converters and the Front Muffler. Drain the transmission fluid
and remove the transmission for access.
Refer to Operation 44.20. 01 Transmission Remove, in
Section 307-01A, which includes each of the above
operations.
4. Remove the drive plate.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
Remove the bolts which secure the drive plate to the
crankshaft.
Remove the drive plate.
5. Clean the crankshaft mating face and any other components
which are to be refitted.
1. Fit the drive plate.
Fit and align the drive plate to the crankshaft.
Fit, but not tighten, the bolt s which secure the drive plate
to the crankshaft.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
2. Tighten the securing bolts in two stages and in the order
shown.
Page 698 of 2490

Engine - Flexplate4.0L SC V8 - AJ26
In-vehicle Repair
Removal
Installation
1. Open the engine compartment and fit paint protection sheets.
2. Disconnect the batt ery ground cable.
Remove the battery cover.
3. Remove the Engine Covers, Air Intake Tube, Catalytic
Converters and the Front Muffler. Drain the transmission fluid
and remove the transmission for access.
Refer to Operation 44.20. 01 Transmission Remove, in
Section 307-01B, which includes each of the above
operations.
4. Remove the drive plate.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
Remove the bolts which secure the drive plate to the
crankshaft.
Remove the drive plate.
5. Clean the crankshaft mating face and any other components
which are to be refitted.
1. Fit the drive plate.
Fit and align the drive plate to the crankshaft.
Fit, but not tighten, the bolt s which secure the drive plate
to the crankshaft.
Prevent the drive plate from rotating by use of a small
wedge in the ring gear.
2. Tighten the securing bolts in two stages and in the order
shown.