Wheel Cylinder - Drum Brake: Installation

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When installing wheel cylinder on brake support plate, be sure it is positioned squarely (horizontal) to the brake support plate.

Fig 1: Rear View Of Brake Support Plate (Right Side Shown)

Courtesy of DAIMLERCHRYSLER CORP.

1 - WHEEL CYLINDER MOUNTING BOLTS

2 - WHEEL CYLINDER

3 - SHOE HOLD-DOWN PINS

4 - SHOE WEAR INSPECTION HOLE

5 - ADJUSTER ACCESS HOLE

Install the wheel cylinder onto brake support plate. Install and tighten the mounting bolts (2) to 13 N.m (115 in. lbs.).

Fig 2: Drum Brake Hose And Mounting Hardware At Axle
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Hand start the brake tube (3) nut to the wheel cylinder (1). Tighten the tube nut to 17 N.m (145 in. lbs.).

Fig 3: SHOE CONTACT AREAS ON SUPPORT
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Lubricate shoe contact areas on support plate and anchor using Mopar® Brake Lubricant or equivalent.

Fig 4: Brake Shoes & Components

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1 - HOLD-DOWN SPRING CLIPS

2 - WHEEL CYLINDER

3 - ANCHOR

4 - LOWER RETURN SPRING

NOTE: Inspect the brake shoes before installation. (Refer to BRAKES/HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES - INSPECTION)

Install the pre-assembled brake shoe assembly over the wheel cylinder (2) and the anchor (3) on the brake support plate.

Fig 5: Rear View Of Brake Support Plate (Right Side Shown)

Courtesy of DAIMLERCHRYSLER CORP.

1 - WHEEL CYLINDER MOUNTING BOLTS

2 - WHEEL CYLINDER

3 - SHOE HOLD-DOWN PINS

4 - SHOE WEAR INSPECTION HOLE

5 - ADJUSTER ACCESS HOLE

Install both shoe hold-down pins (3) from the rear, through the support plate and shoes.

Fig 6: Brake Shoes & Components

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1 - HOLD-DOWN SPRING CLIPS

2 - WHEEL CYLINDER

3 - ANCHOR

4 - LOWER RETURN SPRING

Compress and install the shoe hold-down spring clips (1) on the pins.
Install the lower return spring (4).

Fig 7: Cable Installation To Lever
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Compress the parking brake cable return spring, then install the cable on the parking brake lever. Release the spring guiding it beneath the retaining tab on the lever.

Fig 8: Drum Brake Components

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1 - DUST CAP

2 - NUT

3 - DRUM

4 - HUB AND BEARING

5 - WHEEL CYLINDER

6 - SUPPORT PLATE

7 - BRAKE SHOES

Slide the hub and bearing (4) onto the spindle.
Install a NEW hub nut (2) on the spindle. Tighten the nut to 217 N.m (160 ft. lbs.).
Install the hub and bearing dust cap (1).

Adjust the brake shoes to the drum diameter using a brake shoe gauge. (Refer to BRAKES/HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES - ADJUSTMENT)

Fig 9: Drum Brake Components

Courtesy of DAIMLERCHRYSLER CORP.

1 - DUST CAP

2 - NUT

3 - DRUM

4 - HUB AND BEARING

5 - WHEEL CYLINDER

6 - SUPPORT PLATE

7 - BRAKE SHOES

Install the brake drum (3).

Fig 10: Tire And Wheel Mounting
Courtesy of DAIMLERCHRYSLER CORP.
Install the tire and wheel assembly (1) (Refer to TIRES/WHEELS - INSTALLATION) . Install and tighten the wheel mounting nuts (3) to 135 N.m (100 ft. lbs.).
Slowly rotate the rear wheel and verify that the brake drum lightly drags on the shoes.
Lower the vehicle.

Fig 11: Brake Pedal Holder
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Remove the brake pedal holder.
Bleed the wheel cylinder as necessary. (Refer to BRAKES - STANDARD PROCEDURE)
Road test the vehicle to make sure the brakes operate correctly.