idler pulley JAGUAR X308 1998 2.G User Guide

Engine Cooling - Water Pump4.0L NA V8 - AJ27/ 3.2L NA V8 - AJ26
Re
moval and Installation
Remov

al
1.
O
pen the engine compartment and fit paintwork protection
sheets.
2. Drain the cooling system.
For additional information, refer to Cooling System Draining,
Fillin
g and Bleeding
- Vehicles W
ithout: Supercharger
in
this
section.

3. Sl
acken the three screws which
secure the water pump pulley.

4. CAUTI
ON: When releasing the
belt tension, never apply
any torque in a clockwise direction to the pulley ce ntre bolt (left
hand thread) as it could subsequently loosen.
Remove the drive belt from the generator and accessory drive.
1. Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the centre bo lt of the belt tensioner
idler pulley, to turn the adju ster assembly to the left
against spring tension.
2. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley.
Release the tensioner sl owly and remove the
spanner.
D
isconnect the belt from the ot
her pulleys, as necessary,
to move it clear of the pump pulley.

5. Re
move the pulley from the water pump.
1. Remove the pulley securing screws.
2. Remove the pulley from the water pump.
6. Remove the water pump.
1. Remove the five bolts wh ich secure the water pump.

Engine Cooling - Water Pump4.0L SC V8 - AJ26
Remo
val and Installation
Remov
a
l
1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Drain the cooling system.
For additional information, refer to Cooling System Draining,
Filling and Bleedin
g
- Vehicles With
: Supercharger in this

section.
3. Remove the supercharger driv e belt. Refer to Operation
18.50.08.

4. Slacken the three screws whi
ch
secure the water pump pulley.

5. CAUTIO
N: When releasing the
belt tension, never apply
any torque in a clockwise direction to the pulley ce ntre bolt (left
hand thread) as it could subsequently loosen.
Remove the drive belt from the generator and accessory drive.
1. Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the centre bo lt of the belt tensioner
idler pulley, to turn the adju ster assembly to the left
against spring tension.
2. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley.
Release the tensioner sl owly and remove the
spanner.
Di
sconnect the belt from the ot
her pulleys, as necessary,
to move it clear of the pump pulley.

6. Remove t
he pulley from the water pump.
1. Remove the pulley securing screws.
2. Remove the pulley from the water pump.
7. Remove the water pump.

W
ater Pump Pulley Vehicles Without: Supercharger

26.50.05
Removal
1. Open the engine compartment and fit paintwork protection sheets.
2
. Slacken the three screws which secure the water pump pulley.
3

.
C
AUTION:
When releasing the belt tension, never apply any torque in a clockwise direction to the pulley
centre bolt (left hand thread) as it could subsequently loosen.
Remove the drive belt from the generator and accessory drive. 1. Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the centre bolt of the belt tensioner idler pulley, to turn the adjuster assembly to the left against spring tension.

Re
move the drive belt from the generator and accessory drive.
1. Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the centre bolt of the belt tensioner idler pulley, to turn the adjuster assembly to the left against spring tension.
2. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley. Release the tensioner slowly and remove the spanner.
 Disconnect the belt from the other pulleys, as necessary, to move it clear of the pump pulley.
5.
Remove the pulley from the water pump.
1. remove the pulley securing screws.
2. Remove the pulley from the water pump.
 Clean relevant parts and faces.
Installation
1.
Installation is the reverse of the removal procedure. Tighten the pulley securing bolts to 10-14 Nm.

The
automatic belt tensioner consists of an idler pulley which is
free to rotate on a bearing, located at the end of a spring-
loaded pivot arm.
The pivot arm can be turned counter-clockwise (viewed from th e front of the engine) for belt removal and installation.
A belt-wear indicator is incorporated on th e rear horizontal face of the pivot arm.
It
em
De
scription
1Bel

t Wear Indicator
2Re

new Belt Indicator
3N

ew Belt Maximum Length
4N

ew Belt Minimum Length
Au
tomatic Belt Tensioner

Accessory Drive - Acce
ssory
Drive Belt4.0L NA V8 - AJ27/3.2L NA V8 -
AJ26
Re
moval and Installation
Remov

al
Installation

1.
O
pen the engine compartment and fit paintwork protection
sheets.
2. Check the belt wear indicator ma rks to confirm that the drive
belt is / is not within limits.

3. CAUTI
ON: When releasing the
belt tension, never apply
any torque in a clockwise direction to the pulley ce ntre bolt (left
hand thread) as it could subsequently loosen.
Remove the drive belt fro m the accessory drive.
1. Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the centre bo lt of the belt tensioner
idler pulley, to turn the adju ster assembly to the left,
viewed from the front, against spring tension.
2. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley.
Release the tensioner sl owly and remove the
spanner.
D
isconnect the belt from the ot
her pulleys, as necessary.
1. In
stallation is the
reverse of the remova l procedure. Ensure
that the belt is correctly and sq uarely located on each pulley.

Accessory Drive - Accessory Drive Belt
4.0L SC V8 - AJ26
Re
mo
val and Installation
Remov
a
l
Installation

1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Remove the supercharger driv e belt, for access. Refer to
operation 18.50.08.
3. Check the belt wear indicator ma rks to confirm that the drive
belt is / is not within limits.

4. CAUTIO
N: When releasing the
belt tension, never apply
any torque in a clockwise direction to the pulley ce ntre bolt (left
hand thread) as it could subsequently loosen.
Remove the drive belt fro m the accessory drive.
1. Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the centre bo lt of the belt tensioner
idler pulley, to turn the adju ster assembly to the left,
viewed from the front, against spring tension.
2. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley.
Release the tensioner sl owly and remove the
spanner.
D i
sconnect the belt from the ot
her pulleys, as necessary.
1. Ins
tallation is the
reverse of the remova l procedure. Ensure
that the belt is correctly and sq uarely located on each pulley.
2. Refit the supercharger drive belt. Refer to operation 18.50.08.

Accessory Drive - Acce
ssory
Drive Belt Idler Pulley4.0L NA V8 - AJ27/3.2L
NA V8 - AJ26
Re
moval and Installation
I

nstallation


1.
O
pen the engine compartment and fit paintwork protection
sheets.
2. Remove the drive belt for access. Refer to Operation
(12.10.40)

3. R
emove the idler pulley.
1. Remove the securing bolt from the idler pulley.
2. Remove the idler pulley.
1. Installation is the reverse of the removal procedure. Tighten
the pulley securing bolt to 53-69 Nm. Ensure that the belt is
correctly and squarely lo cated on each pulley.

Accessory Drive - Accessory Drive Belt
Idler Pulley4.0L SC V8 - AJ26
Re
mo
val and Installation
I
n
stallation


1.
Op
en the engine compartment and fit paintwork protection
sheets.
2. Remove the supercharger driv e belt, for access. Refer to
operation 18.50.08.
3. Remove the accessory drive belt for access. Refer to Operation
(12.10.40)

4. Re
move the idler pulley.
1. Remove the securing bolt from the idler pulley.
2. Remove the idler pulley.
1. Installation is the reverse of the removal procedure. Tighten
the pulley securing bolt to 53-69 Nm. Ensure that the belt is
correctly and squarely lo cated on each pulley.
2. Refit the supercharger drive belt. Refer to operation 18.50.08.

Access
ory Drive - Supercharger Belt Idler Pulley
Re
mo
val and Installation
Remov
a
l
Installation

1.
Re
move supercharger drive belt; refer to 18.50.08.

2. Re
move supercharger drive belt idler pulley.
Re
mo
ve bolt .
R
e
move idler pulley.

1. Installation
is a reversal
of the removal procedure.