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70 BRAKES 14 REPAIR 14. Coat piston with brake fluid. Insert it squarely into bore. Do not tilt piston during insertion and 15. Coat a new wiper seal with brake fluid and fit to new seal retainer. Slide assembly, seal first, over 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 Fit calipers and pads to vehicle 18. Fit caliper to axle, tighten bolts evenly to 82 Nm, 60 lbf ft. 19. Connect brake pipe to caliper. Tighten to 15 Nm, 11 lbf ft. 20. Remove clamp from flexible brake hose. 21. Insert pads and retaining springs, secure in position with new retaining pins and spread 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, 130 Nm, 95 lbf ft. 25. Road test vehicle. CAUTION: New brake pads require REAR BRAKE DISC Service repair no - 70.10.11. Remove 1. Remove rear hub assembly. See REAR AXLE AND FINAL DRIVE, Repair, Rear hub 2. Remove 5 nyloc nuts securing road speed sensor ring to disc. 3. Remove sensor ring. Refit 6. Fit disc to rear hub. 73 Nm, 54 lbf ft . 8. Using new nyloc nuts fit sensor ring. 0,15 mm, 0.006 in. If necessary reposition disc. 10. Fit rear hub assembly. See REAR AXLE AND FINAL DRIVE, Repair, Rear Hub Assembly . Disc reclamation 11. Check disc thickness. The disc may be machined to minimum thickness of 12 mm, NOTE: The brake disc MUST BE renewed if |