lock JAGUAR X308 1998 2.G Repair Manual

cap ven
t holes clogged or air in the hydraulic system.
Brake ped

al effort is excessive. This ma
y be caused by a bind or obstruction in the pedal/linkage, a faulty non return
valve, booster or insuffi cient booster vacuum.
R
ear brakes lock up during light pedal force. This may
be caused by damaged brake pads, an incorrectly adjusted
parking brake, a partially applied parking brake, a damaged ABS sensor or bearing failure.
Brake ped
al effort erratic. This condition could be caused by the brake booste
r or incorrectly installed brake pads.
Brake warning indicator i
s on. This may be caused
by low fluid level or float assembly damaged.
No
n Pressure Leaks
Any reduced fluid v
olume in the brake ma
ster cylinder reservoir condition may be caused by two types of none pressure
external leaks.
Type 1: An external leak may be occur at the master cylinder reservoir cap because of incorre ct positioning of gasket and
cap. Reposition cap and gasket.
Type 2: An external leak may occur at th e reservoir mounting seals. Repair such a leak by installing new seals and make
sure that the reservoir retainin g bolt is correctly installed.

Fr
ont Brake Disc Runout Check Vehicles With: Brembo Brakes
Special Service tools
Di
al Test Indicator Gauge and Stand.
1.


WA
RNING:
BRAKE DUST, IF INHALED CAN DAMAGE YOUR HEALTH. ALWAYS REMOVE BRAKE DUST USING A VACUUM BRUSH. DO NOT USE A COMPRESSED-AIR LINE TO DISPERSE BRAKE DUST
INTO THE ATMOSPHERE.
CA
UTION:
Replacement of nuts and bolts: Various thread-locking devices are used on nuts and bolts
throughout the vehicle. These devices restrict the number of times a nut or bolt can be used. See
section <<100-00>> for information.
CA
UTION:
The Brembo caliper is aligned to the brake disc when it is first installed to the vehicle, therefore,
care must be taken not to disturb this alignment. When removing the caliper; remove the bolts
that secure the anchor bracket to the vertical link only. DO NOT loosen any other caliper bolts.
Raise front of vehicle and support on stands. Refer to section <<100-02>>.
2. Remove wheel. Refer to section <<74.20.05>>.

Rear
Brake Disc Runout Check Vehicles With: Brembo Brakes
Special Service tools
Di
al Test Indicator Gauge and Stand.
1.


WA
RNING:
BRAKE DUST, IF INHALED CAN DAMAGE YOUR HEALTH. ALWAYS REMOVE BRAKE DUST USING A VACUUM BRUSH. DO NOT USE A COMPRESSED-AIR LINE TO DISPERSE BRAKE DUST
INTO THE ATMOSPHERE.
CA
UTION:
Replacement of nuts and bolts: Various thread-locking devices are used on nuts and bolts
throughout the vehicle. These devices restrict the number of times a nut or bolt can be used. See
section <<100-00>> for information.
CA
UTION:
The Brembo caliper is aligned to the brake disc when it is first installed to the vehicle, therefore,
care must be taken not to disturb this alignment. When removing the caliper; remove the bolts
that secure the anchor bracket to the hub carrier only. DO NOT loosen any other caliper bolts.
Raise rear of vehicle and support on stands. Refer to section <<100-02>>.
2. Remove wheel. Refer to operation <<74.20.05>>.

Front Disc Brake -
Lubri
cants, Fluids, Sealants and Adhesives
Torques - Brembo Brakes
Torques
Brake Tube, Hoses and Bracket Torques
CAUTI
ON: Replacement of
nuts and bolts: Various thread-locking devices are used on nuts and bolts throughout the
vehicle. These devices restrict the number of times a nut or bolt can be used. See section 100-00 for information.


UnitS
pecification
Brake flu

id
ITT Supe
r Dot 4
Com

ponent
Nm
B

olt - anchor bracket to vertical link
18
0
Bo

lt - caliper to anchor bracket
DO
NOT REMOVE
Bleed n

ipple
12
-16
Hose u

nion to caliper
22
-26
Com

ponent
Nm
Bol

t - caliper carrier to vertical link
14
0
Guide

Pin - caliper housing to caliper carrier
25
-30
Com

ponent
Nm
Bleed n

ipple - front
4-
6
Bleed n

ipple - rear
8-1
1
Hose to fr

ont caliper
10
-14
Hose union to rear cal

iper - union bolt
30
-40
M1

0 hose locknut
15
-20
M10

brake tube female-nut
13
-17
M10

brake tube male-nut
13
-17
M12

brake tube male-nut
15
-20
M18

brake tube male-nut
22
-28
Brake tube clip retention

-bracket to body
4-
6

Front Disc Brake - Brake CaliperVehicles
With: Standard Brakes
Re
moval and Installation
Remov

al
W
ARNING: BRAKE DUST, IF INHALED CAN DAMAGE YOUR
HEALTH. ALWAYS REMOVE BRAKE DUST USING A VACUUM
BRUSH. DO NOT USE A COMPRESSED-AIR LINE TO DISPERSE BRAKE DUST INTO THE ATMOSPHERE.
• CAUTIONS:
Replacement of nuts and bolts: Various thread-locking de vices are used on nuts and bolts throughout the vehicle.
These devices restrict the number of times a nut or bolt can be used. See section 100-00 for information.
Remove brake fluid spilla ge immediately from paint work, with clean water.
A new brake hose must be installe d when replacing a brake caliper.
The brake pad adhesive backing must not be reused, therefore always install new brake pads, irrespective of the
condition of the original pads when replacing a brake caliper. Always replace brake pads as an axle set.
S
pecial Tool(s)

Brake Pedal

Hold Tool
JDS 9013
1. O
pen engine compartment and fit
paint work protection covers
to fenders.
2. Raise vehicle on a four-post lift.
3. Raise front of vehicle and support on stands. Refer to Section
100-02.
4. Remove front wheels. See Section 204-04.

5. NOTE
: The following three pictorial procedures must be
carried-out to minimize brake fl uid loss when disconnecting the
brake hose.
Open Left-Hand-Front and Left-H and-Rear caliper bleed nipples.
Connect
a bleed tube and co
ntainer to the calipers.
O
pen bleed nipples.
6. Depress and hold down brak e pedal at the specified
measurement using special tool.
1. Position tool between brake pedal and seat frame.
2. Turn the tool wheel unti l the brake pedal is held

2.
Remove paper backing from pads to reveal adhesive
shim. Install brake pads, insert clip located on back of
inner pad into caliper piston.

3. Inst al
l caliper housing to caliper carrier.
Align hou
s
ing to carrier.
1. Install and tighten guide pins to 25-30 Nm.
2. Install dust covers.
3. Install anti-rattle spring.

4. NOTE : Th
e brake hose must only be installed with the vehicle's
body supported and the suspension hanging.
Install and tighten brake hose to caliper housing to 10-14 Nm.

5. NO
TE: Make sure the brake
hose does not twist when
tightening the hose lock-nut.
Connect brake hose to brake tube.
1. Position hose thread through bracket.
2. Install and tighten locking nut. Refer to Specifications, section 206-03.
3. Install and tighten brake- tube union nut. Refer to
Specifications, section 206-03.
6. Remove special tool from brake pedal.
7. Fit wheels. Refer to section 204-04.
8. NOTE: Make sure the brake hose is routed correctly.
Remove stands and lower vehicl e. Refer to section 100-02.
9. Bleed brake hydraulic system. See operation 70.25.03.

Front Disc Brake - Brake CaliperVehicles With: High Performance Brakes
Re
moval and Installation
Remov

al
S
pecial Tool(s)

Brake Pedal

Hold Tool
JDS 9013
1. WARNING: BRAKE DUST, IF INHALED CAN DAMAGE
YOUR HEALTH. ALWAYS REMOVE BRAKE DUST USING A VACUUM
BRUSH. DO NOT USE A COMPRE SSED-AIR LINE TO DISPERSE
BRAKE DUST INTO THE ATMOSPHERE.
• CAUTIONS:
Replacement of nuts and bolts: Various thread-locking
devices are used on nuts and bolts throughout the vehicle. These
devices restrict the number of ti mes a nut or bolt can be used.
See section 100-00 for information.
Remove brake fluid spillage immediately from paint work,
with clean water.
The Brembo caliper is aligned to the brake disc when it is
first installed to the vehicle, therefore, care must be taken not to
disturb this alignment. When removing the caliper; remove the
bolts that secure the anchor bracket to the vertical link only. DO
NOT loosen any other caliper bolts.
Open engine compartment and fit paint work protection covers
to fenders.
2. R
aise vehicle on a four-post lift.
3. Raise front of vehicle and support on stands. Refer to Section
100-02.
4. Remove front wheels. Refe r to operation 74.20.05.

5. NOTE
: The following three pictorial procedures must be
carried-out to minimize brake fl uid loss when disconnecting the
brake hose.
Open Left-Hand-Front and Left-H and-Rear caliper bleed nipples.
Connect
a bleed tube and co
ntainer to the calipers.
O
pen bleed nipples.
6. Depress and hold down brak e pedal at the specified
measurement using the special tool.

2.
Po
sition anti-rattle spring.
3. Install pins.
4. Install 'R' clips.

3. CAUTIO
N: The brake hose must
only be installed with the
vehicle's body supported and the suspension hanging.
Install brake hose to caliper.
Remove plugs f rom caliper and hose.
Instal
l new sealing washers.
Install and tigh
ten un
ion bolt to 22-26 Nm.

4.
NO
TE: Make sure the brake
hose does not twist when
tightening the hose lock-nut.
Connect brake hose to brake tube. 1. Position hose thread through bracket.
2. Install and tighten locking nut. Refer to Specifications, section 206-03.
3. Install and tighten brake- tube union nut. Refer to
Specifications, section 206-03.
5. Remove special tool from brake pedal.
6. Fit wheels. Refer to operation 74.20.05.
7. NOTE: Make sure the brake hose is routed correctly.
Remove stands and lower vehicl e. Refer to section 100-02.
8. Bleed brake hydraulic system. See operation 70.25.06.

Front Dis
c Brake - Brake DiscVe
hicles With: Standard Brakes
Re
moval and Installation
Remov

al
• WAR
NINGS:
BRAKE DISCS MUST ALWAYS BE REPLACED IN PAIRS.
BRAKE DUST, IF INHALED CAN DAMAGE YOUR HEALTH. ALWAYS REMOVE BRAKE DUST USING A VACUUM BRUSH.
DO NOT USE A COMPRESSED-AIR LINE TO DI SPERSE BRAKE DUST INTO THE ATMOSPHERE.
CAUTION: Replacement of nuts and bolts: Various thread-locking devices are used on nuts and bolts throughout the
vehicle. These devices restrict the number of times a nut or bolt can be used. See section 100-00 for information.
1. O
pen engine compartment and in
stall paint work protection
covers to fenders.
2. Raise front of vehicle and suppo rt on stands. See Section 100-
02.
3. Remove front wheels. Re fer to Section 204-04.

4. CAUTI
ON: Remove brake flui
d spillage immediately from
paint work, with clean water.
Loosen brake fluid reservoir-cap.
Position a cloth around the
reservoir to collect any fluid
spillage.

5. CAU
TION: Tie caliper housing aside. Do not allow the
caliper housing to hang on the hydraulic hose, as this will damage
the hose.
Remove caliper housing from caliper carrier.
1. Remove anti-rattle spring.
2. Remove dust covers.
3. Remove guide pins.
Re
move and tie caliper housing aside.
6.
CAUTI
ON: Always install new brake pads, irrespective of
the condition of the original pads, when renewing brake discs.
• NOTE: The inner brake pad is fitted with a clip which secures
the pad into the caliper piston.
Remove brake pads from caliper housing.

Front Dis
c Brake - Brake DiscVehicles With: High Performance Brakes
Re
moval and Installation
Remov

al
1.
WAR
NINGS:
BRAKE DISCS MUST ALWAYS BE REPLACED IN PAIRS.
BRAKE DUST, IF INHALED CAN DAMAGE YOUR HEALTH.
ALWAYS REMOVE BRAKE DUST USING A VACUUM BRUSH. DO
NOT USE A COMPRESSED-AIR LINE TO DISPERSE BRAKE DUST
INTO THE ATMOSPHERE.
• CAUTIONS:
Replacement of nuts and bolts: Various thread-locking
devices are used on nuts and bolts throughout the vehicle. These
devices restrict the number of ti mes a nut or bolt can be used.
See section 100-00 for information.
The Brembo caliper is aligned to the brake disc when it is
first installed to the vehicle, therefore, care must be taken not to
disturb this alignment. When removing the caliper; remove the
bolts that secure the anchor bracket to the vertical link only. DO
NOT loosen any other caliper bolts.
The front brake discs are dire ctional and must be installed
to the correct side of the vehi cle. Refer to Description and
Operation, section 206-03 for further information.
Do not loosen bolts securing brake disc to disc mounting.
Open engine compartment and in stall paint work protection
covers to fenders.
2. R
aise front of vehicle and suppo
rt on stands. See Section 100-
02.
3. Remove front wheels. Refe r to operation 74.20.05.

4. CAUTI
ON: Remove brake flui
d spillage immediately from
paint work, with clean water.
Loosen brake fluid reservoir-cap.
Position a cloth around the
reservoir to collect any fluid
spillage.
5. CAUTI
ON: Always install new brake pads, irrespective of
the condition of the original pads, when renewing brake discs.