Crankshaft sensor JAGUAR X308 1998 2.G Service Manual

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.

2. Fit the retaining / pivot bolt and tighten it to 12-16 Nm.

6. Refit the primary chain tensione r assembly. Refer to Operation
12.65.55 in this Section.
Use a wedge 303 - 533 (or two if required) between the
primary chain tensioner and te nsioner blade, to take up
the slack in the chain.

7. Tighten the exhaust camshaft sprocket securing bolt.
1. Fit the chain tensioner tool 303 - 532 to the sprocket holes.
Apply force to the tool in an anti-clockwise direction to
tension the chain on its drive side.
2. Whilst applying the opposing force to the sprocket and chain, tighten the sprock et securing bolt to 115 -
125 Nm.

8. Tighten the VVT unit securing bolt.
1. Whilst still applying the opposing force to the
sprocket and chain (using 303 - 532), check that the
wedges are still in place, tighten the VVT unit
securing bolt to 115 - 125 Nm.
Remove the chain tensioning tool and the wedge(s).
9. Remove the camshaft locking tool 303 - 530.
10. Raise the vehicle on the ramp.
11. Remove the crankshaft setting tool 303 - 531.
12. Refit the crankshaft position sensor.
1. Fit the sensor to the fl ywheel housing and fit the
securing bolt. Tighten to 8-12 Nm.

Engine - Secondary Timing Chain RH
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 12.65.51 in this Section
6. Raise the vehicle on a ramp.
7. 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.
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 A-Bank
camshafts, aligning the shafts slightly as necessary.
14. Remove the primary chain tens ioner. Refer to operation
12.65.54, in this Section

7. Tighten the exhaust camshaft sprocket securing bolt.
1. Fit the chain tensioner tool 303 - 532 to the sprocket holes.
Apply force to the tool in an anti-clockwise direction to
tension the chain on its drive side.
2. Whilst applying the opposing force to the sprocket and chain, tighten the sprock et securing bolt to 115 -
125 Nm.

8. Tighten the VVT unit securing bolt.
1. Whilst still applying the opposing force to the
sprocket and chain (using 303 - 532), check that the
wedges are still in place, tighten the VVT unit
securing bolt to 115 - 125 Nm.
Remove the chain tensioning tool and the wedge(s).
9. Remove the camshaft locking tool 303 - 530.
10. Raise the vehicle on the ramp.
11. Remove the crankshaft setting tool 303 - 531.

12. Refit the crankshaft position sensor.
1. Fit the sensor to the fl ywheel housing and fit the
securing bolt. Tighten to 8-12 Nm.
2. Refit the access grommet to the housing.
13. Lower the ramp.
14. Refit the A-Bank VVT Bush Carrier Assembly. Refer to
operation 12.65.51 in this Section.
15. Refit the Timing Cover. Refer to Operation 12.65.01 in this
Section.

Engine - Secondary Timing Chain Tensioner 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.

6. 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.

7. Install the crankshaft setting peg 303-531 to the crankshaft
position sensor location.
1. Install the crankshaft setting peg 303-531.
Position the crankshaft so that the setting peg engages
fully into the timing slot.
2. Install and tighten the bolt to secure the setting peg.
8. Lower the vehicle on the ramp.

9. Install the camshaft locking tool 303-530 to Bank 2 camshafts,
aligning the shafts sl ightly as necessary.

10. CAUTION: Use a length of steel strip that will not fall
into the timing cover.
Protect the upper face of the ti ming cover from scratches, when
removing the bolt which secures the sprocket.
1. Place a flat piece of stee l strip along the timing cover
horizontal jointing face, adjacent to the exhaust
camshaft sprocket.
2. Secure the steel strip in place with adhesive tape.
11. A ball-ended hexagon drive bit is required to remove the
sprocket securing bolt. A suitable tool is available from Snap On as (FABLM10E) Long Series 10mm AF.

11. Install the crankshaft position sensor.
1. Install the sensor to the flywheel housing and fit the
securing bolt. Tighten to 8-12 Nm.
2. Install the access grommet to the housing.
12. Lower the ramp.
13. Remove the paint protection sheets and close the engine
compartment cover.
14. Connect the battery and in stall the battery cover.
Refer to the Battery Reconnection Procedure 86.15.15.

Engine - Secondary Timing Chain Tensioner 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.

6. 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.

7. Install the crankshaft setting peg 303-531 to the crankshaft
position sensor location.
1. Install the crankshaft setting peg 303-531.
Position the crankshaft so that the setting peg engages
fully into the timing slot.
2. Install and tighten the bolt to secure the setting peg.
8. Lower the vehicle on the ramp.

9. Install the camshaft locking tool 303-530 to Bank 2 camshafts,
aligning the shafts sl ightly as necessary.
10. CAUTION: Use a length of steel strip that will not fall
into the timing cover.
Protect the upper face of the ti ming cover from scratches, when