Dodge Durango

 Service Manual

Brakes » Base brake system » Description and operation
Drum brakes

DESCRIPTION

Drum brakes on all models are dual shoe, internal expanding units with an automatic self adjusting mechanism (Fig. 3). Nine inch and eleven inch brakes are used.

OPERATION

When the brake pedal is depressed hydraulic pressure pushes the rear wheel cylinder pistons outward.

The wheel cylinder push rods then push the brake shoes outward against the brake drum. When the brake pedal is released return springs attached to the brake shoes pull the shoes back to there original position.

Fig. 3 Brake Assembly

1 - SUPPORT PLATE

2 - RETURN SPRING

3 - ANCHOR PLATE

4 - RETURN SPRING

5 - CABLE GUIDE

6 - PARKING BRAKE LEVER

7 - ADJUSTER CABLE AND SPRING

8 - SHOE RETAINER, SPRING AND PIN

9 - SECONDARY SHOE AND LINING

10 - LEVER SPRING

11 - ADJUSTER LEVER

12 - ADJUSTER SCREW ASSEMBLY

13 - SHOE SPRING

14 - PRIMARY SHOE AND LINING

15 - PARKING BRAKE STRUT AND SPRING

Brake system

Service warnings & cautions

Brake pedal

Stop lamp switch

Red brake warning lamp

Power brake booster

Master cylinder

Combination valve

Front disc brakes

Drum brakes

Parking brakes

Brake hoses and lines