Riviera V6-231 3.8L Turbo VIN 3 4-bbl (1982)
Brake Pad: Service and Repair
Delco-Moraine Single Piston Rear Disc Brake
Fig. 7 Removing piston check valve
Fig. 8 Rotating piston in bore
1.
Remove caliper as described previously and remove shoe and lining.
2.
Remove and discard the two caliper mounting sleeves and the four bushings. Using silicone lubricant, install new bushings and seals. Sleeves are
installed in inner bushings.
3.
Remove and discard piston check valve and install a new one, Fig. 7. Front brake shoes must not be installed on rear calipers.
4.
Position new inboard shoe assembly on piston. The D-shaped tab must fit into indentation in piston. If piston requires rotation, use tool J-7642 to
rotate it, Fig. 8. Install new spring retainers on all except Eldorado outboard shoe assembly.
5.
Install new outboard shoe assembly onto caliper. Install caliper and torque mounting bolts to 30 ft. lbs.