405 L4-1905cc 1.9L (1989)
Brake Drum: Service and Repair
DBA Brake Service
Type 1
REMOVAL
Fig. 1 Releasing Brake Shoes
Fig. 4 Lower Return Spring. Girling & DBA Brake
1.
Raise and support rear of vehicle, then remove wheel and tire assembly.
2.
Loosen parking brake cable locknuts, then remove adjusting nuts.
3.
Remove plug from drum, Fig. 1, then insert a screwdriver through backplate and move parking brake lever outward to release brake shoes.
4.
Reinstall plug, then remove drum.
5.
Remove lower shoe return spring, Fig. 4.
6.
Ensure automatic adjuster lever link clearance measures .035-.043 inch (.9-1.1mm).
7.
Remove upper return spring, then position a clamp on brake cylinder.
8.
Remove and discard hold-down spring from leading shoe, then swing adjusting lever towards hub and move leading shoe outward.
9.
Disconnect link rod from leading shoe, then remove the shoe.
10.
Disconnect parking brake cable from lever, then remove and discard hold-down spring from trailing shoe.
11.
Remove trailing shoe and link rod.
INSPECTION
1.
Clean drum and back plate with specified solvent.
2.
Check for proper sealing of the pistons.
3.
Inspect rubber boots for wear or damage.
4.
Check drum for excessive wear and grind if necessary.
5.
Replace any damaged or excessively worn components.
INSTALLATION
1.
Lightly lubricate brake shoe pressure pads on backplate.
2.
Transfer serviceable components to replacement brake shoes.
3.
Attach parking brake cable to lever.
4.
Install trailing shoe with new hold-down spring.
5.
Swing adjusting lever towards hub, then connect link rod to lever. Lower pawl and push lever downward.
6.
Install leading shoe with new hold-down spring.