landrover Workshop Repair Guides

Land Rover Workshop Service and Repair Manuals

Thickness and run out check - brake disc - rear > < Valve - safety - air pressure|Page 621
Page 518
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BRAKES

ADJUSTMENTS

70-1

BRAKES

ADJUSTMENTS

Thickness and run out check - brake disc 
- front 

$% 70.10.15.01

Check

1. Raise front of vehicle.

WARNING: Do not work on or under a 
vehicle supported only by a jack. Always 
support the vehicle on safety stands.

2. Remove road wheel.

3. Remove 2 bolts securing brake caliper to hub. 

Release caliper from hub and tie aside.

CAUTION: Do not allow caliper to hang on 
brake hose.

4. At 4 points around disc, measure disc thickness 

using a micrometer; renew disc if less than 
service limit of if maximum variation is 
exceeded: Disc thickness, NEW = 30 mm. 
Service limit = 28.4 mm. Thickness variation, 
maximum = 0.010 mm.

CAUTION: Brake discs must be renewed in 
pairs, unless one disc requires changing 
before 1000 miles (1500 kilometres) from 
new.

5. Mount a Dial Test Indicator (DTI) to LRT-99-

503, and secure to inboard side of hub using 
caliper assembly upper bolt hole.

6. Position DTI probe 5 mm in from outer edge of 

disc.

7. Fit road wheel and tighten nuts to 140 Nm (103 

lbf.ft).

8. Zero DTI and rotate road wheel one complete 

revolution to measure disc run out. Disc run out 
must not exceed 0.073 mm.

9. If disc run out is outside limits, carry out the 

following procedure.

M70 1124

M70 1126

LRT-99-503

Thickness and run out check - brake disc - rear > < Valve - safety - air pressure|Page 621