300Tdi Discovery
70
BRAKES
16
REPAIR
13. Apply brake fluid to new seal. Fit seal into
groove in bore. When seal is seated it feels
raised to touch at edge furthest away from
mouth of bore.
14. Coat piston with brake fluid. Insert it squarely
into bore. Do not tilt piston during insertion and
leave 8mm projecting from bore.
15. Coat a new wiper seal with brake fluid and fit to
new seal retainer. Slide assembly, seal first, over
protruding piston into bore recess.
16. Using special tool LRT-70-500 - piston clamp,
press home seal retainer and piston.
Mounting inboard piston
17. Carry out same procedure as for removing and
fitting outboard piston and seals, instructions 8 to
16.
Fit calipers and pads to vehicle
18. Fit caliper to axle, tighten two bolts evenly to
82
Nm.
19. Connect brake pipe to caliper. Tighten to
15Nm.
20. Remove clamp from flexible brake hose.
21. Insert pads and retaining springs, secure in
position with new retaining pins and spread
ends. Note correct position of retaining springs.
22. Bleed brake system.
See Brake System Bleed
23. Press brake pedal firmly several times to locate
pads.
24. Fit road wheels, remove axle stands and finally
tighten road wheel nuts,
25. Road test vehicle. Note new brake pads require
’bedding-in’, for several hundred miles before
brakes are at maximum efficiency.
PARKING BRAKE ADJUST
See SECTION 10,
Maintenance, Vehicle Interior
