Jaguar Vehicle Specifications (2003 year). Instruction - page 26

Tightening Torques – V8 Engine Components
99
Notes
To convert Nm to lbf ft:
Divide the Nm torque figure by 1.356
Timing Chain Cover
12 Nm – Tighten in sequence shown.
Component
Torque
J.303.1562
18
14
9
22
23
19
15
10
3
8
2
6
16
20
5
17
21
7
13
1
4
11
12
24

Tightening Torques – V6 Engine Components
100
Notes
To convert Nm to lbf ft:
Divide the Nm torque figure by 1.356
Component
Torque
Accessory Drive – Belt Tensioner
48 Nm
Accessory Drive – Idler Pulley
25 Nm (grooved) 48 Nm (smooth X-TYPE)
Air Conditioning Compressor
25 Nm
Air Conditioning Compressor Mounting-Bracket
25 Nm
Camshaft Bearing Caps
Front of Engine
10 Nm – Tighten in sequence shown
Camshaft Sprocket – Exhaust
40 Nm + 90 degrees – not to exceed 215 Nm

Tightening Torques – V6 Engine Components
101
Notes
To convert Nm to lbf ft:
Divide the Nm torque figure by 1.356
Clutch Pressure Plate
24 Nm – work across pressure plate in a diagonal
pattern.
Coolant Pump (X-TYPE)
Tighten in sequence below:
•
Tighten bolt (4) to 5 Nm.
•
Tighten bolt (5) to 5 Nm.
•
Tighten bolts (1) (2) (3) to 5 Nm.
•
Tighten bolt (4) to 10 Nm.
•
Tighten bolt (5) to 10 Nm.
•
Tighten bolts (1) (2) (3) to 10 Nm.
Coolant Pump (S-TYPE and XJ)
25 Nm
Coolant Pump Pulley (X-TYPE)
10 Nm
Component
Torque

Tightening Torques – V6 Engine Components
102
Notes
To convert Nm to lbf ft:
Divide the Nm torque figure by 1.356
Crankshaft Damper Pulley
1. Pre-torque to 120 Nm.
2. Loosen Bolt 360 degrees.
3. Torque to 50 Nm.
4. Rotate Bolt Clockwise 90 degrees, to a maximum
of 200 Nm.
Crankshaft Position Sensor
10 Nm
Cylinder Block Lower, to Cylinder Block Upper
Tighten in sequence below:
1. 1 through to 8 – tighten to 25 Nm.
2. 9 through to 16 – tighten to 40 Nm.
3. 1 through to 16 – rotate 90 degrees.
4. 17 through to 22 – tighten to 25 Nm.
Cylinder Head Bolts
See: Tightening Torques and Sequence – Cylinder
Heads Section.
Component
Torque
J.303.1559
21
7
15
3
11
1
9
17
19
13
14
10
6
5
2
4
8
16
12
20
18
22