Land Rover Discovery: General Information Rear Brake Disc Runout Check (G2010036) / General
Procedures
SPECIAL TOOL(S)
![SPECIAL TOOL(S)](images/books/227/index234(1).jpg)
CHECK
NOTES:
- Some variation in the illustrations may occur, but the essential
information is always correct.
- Right shown, left is similar.
- It is not necessary to carry out the parking brake shoe 'bedding-in
procedure' if the rear brake discs or parking brake shoes have been
removed for access to other components.
CAUTION:
Do not turn the ignition on when the parking brake service
mode has been set, this will result in the parking brake being
released from the service mode.
- Activate the service mode function of the Electronic Parking Brake
(EPB).
- Disconnect the battery ground cable.
Refer to: Battery (414-01 Battery, Mounting and Cables, Removal
and Installation).
WARNING:
Make sure to support the vehicle with axle stands.
- Raise the rear of vehicle.
- Remove the road wheel.
Refer to: Wheel and Tire (204-04 Wheels and Tires, Removal and
Installation).
CAUTION:
The brake pad wear indicator sensor is easily damaged. Do
not use a lever to remove the sensor. Use fingers only.
![General information rear brake disc runout check (G2010036) general procedures](images/books/227/index235(1).jpg)
- Disconnect the brake pad wear indicator sensor electrical
connector.
CAUTION:
Do not allow the brake caliper to hang on the brake hose.
![General information rear brake disc runout check (G2010036) general procedures](images/books/227/index236(1).jpg)
- Release the brake caliper and tie aside.
CAUTION:
Brake discs must be renewed in pairs, unless one disc
requires changing before 1000 miles (1600 kilometers) from
new.
![General information rear brake disc runout check (G2010036) general procedures](images/books/227/index237(1).jpg)
- At four points around the disc, measure the disc thickness using a
micrometer, renew the disc if less than the service limit or if the
variation is exceeded.
![General information rear brake disc runout check (G2010036) general procedures](images/books/227/index238(1).jpg)
- Mount and secure the Dial Test Indicator (DTI) to the inboard side
of the hub using the caliper assembly upper molt hole.
Special Tool(s): 100-053
- Position DTI probe 5 mm in from outer edge of disc.
![General information rear brake disc runout check (G2010036) general procedures](images/books/227/index239(1).jpg)
- Install spacer washers under the wheel nuts and tighten the wheel
nuts to 133 Nm (98lb.ft).
- Zero the DTI and rotate the road wheel one complete revolution to
measure the disc runout. The disc runout must not exceed 0.09 mm (0.004).
- If the disc runout is outside of the limits:
Refer to: Specifications (206-04 Rear Disc Brake, Specifications).
- Remove the wheel hub nuts and the spacers.
- Remove the Allen screw securing the brake disc to the drive flange.
- Remove the brake disc.
- Make sure the mating faces of the disc and the drive flange are
clean.
- Fit the disc to the flange, fit the Allen screw and tighten to 35 Nm
(26 lb.ft).
- Install spacer washers under the wheel nuts. Tighten the wheel nuts
to 133 Nm (98lb.ft).
- Check the disc runout as detailed above.
Refer to: Specifications (206-04 Rear Disc Brake, Specifications).
- If runout is still outside the limits, renew the disc and/or hub.
- Remove the wheel hub nuts and the spacer washers.
- Remove the DTI.
![General information rear brake disc runout check (G2010036) general procedures](images/books/227/index240(1).jpg)
- Install the brake caliper and tighten the bolts.
Torque: 110 Nm
- Reconnect the battery ground cable.
Refer to: Battery (414-01 Battery, Mounting and Cables, Removal
and Installation).
- Deactivate the service mode function of the EPB.
- Install the road wheel.
Refer to: Wheel and Tire (204-04 Wheels and Tires, Removal and
Installation).
- Depress the brake pedal several times to set the brake pads.
- Remove the stands and lower vehicle.
READ NEXT:
PRINCIPLES OF OPERATION
For a detailed description of the Brake System, refer to the relevant
Description and Operation section in the workshop manual. REFER to:
Hydraulic Brake Actuation (206-06 Hydr
REMOVAL
CAUTION:
If brake fluid is spilt on the paintwork, the affected area must be
immediately washed down with cold water.
NOTE:
Removal steps in this procedure may contain installation details.
Al
PART(S)
REMOVAL
CAUTION:
If brake fluid is spilt on the paintwork, the affected area must be
immediately washed down with cold water.
NOTE:
Removal steps in this procedure may contain installation d
SEE MORE:
REMOVAL
WARNING:
Observe due care when working near a hot exhaust system.
NOTE:
Removal steps in this procedure may contain installation details.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
Torque: 55 Nm
Torque: 10 Nm
Torque: 6 Nm
CAUTION:
Make su
Avoid running out of fuel.
If the vehicle does run out of fuel, a
minimum of 4 litres will be required to
restart the engine.
The vehicle should be left with the
ignition on for 5 minutes after refuelling,
before attempting to restart the engine.
The vehicle will need to be driven for a
distance of