Changing rear drum brakes ona 1999 chevy dually

hnewman on Jul 21, 2008

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I started to replace the rear brakes on my 1999 dually and ended up with a spring I have no idea where it goes. can you give a detailed instruction on removal of brakes so I may know where this spring goes?

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Best Solution

posted on Jul 21, 2008

robertcar

Rank: Apprentice
Rating: 98%, 4 votes

INSTALLATION PROCEDURE

Install the parking brake lever (2).
Install the spring washer (3). The concave side of the spring washer should face the parking brake lever.
Install the pin (4).
Install the retaining ring (16).
Install the adjuster pin (12) in the shoe (15) so the pin projects 6.8 to 7.0 mm (0.268 to 0.276 inch) from the side of the shoe web where the adjuster actuator is installed.
Apply brake lubricant or equivalent to the threads of the adjuster screw (14) and inside diameter and face of the socket (7). Adequate lubrication is achieved when there is a continuous bead of lubricant at the open end of the adjuster nut (10) and the socket (7) when the threads are fully engaged.
Install the upper return spring (5).

Lay the shoes (1 and 15) on a clean, flat work surface in the position they will be in when installed on the backing plate.
The shoe with the parking brake lever goes to the rear of the vehicle.

NOTICE: Do not over-stretch the upper return spring. Damage can occur if it is stretched to more than 204.2 mm (8.04 inches) .

Install the adjusting screw assembly.

The adjusting screw assembly should engage the adjuster shoe (1) and the parking brake lever (2).
The spring clip (9) must face the backing plate.

Lubricate the shoe pads on the backing plate with a thin coat of white lithium grease.
Install the shoe and lining assemblies (1 and 15).
Install the upper return spring (5).
Install the adjusting screw assembly.

Do not damage the wheel cylinder boots.
Overlap the bottoms of the shoes so the upper shoe ends clear the wheel cylinder boots.
Make sure the upper shoe ends rest on the wheel cylinder piston ends.
Do not place the lower shoe web ends under the anchor plate until the lower return spring is installed.

NOTICE: Do not over-stretch the lower return spring. Damage can occur if it is stretched to more than 107.3 mm (4.22 inches) .

Install the lower return spring (6).

Bring the ends of the shoe and lining assemblies (1 and 15) together over the anchor plate.
Hook the spring ends to the shoe web holes.
Spread the lower ends of the shoe and the lining assemblies to clear the anchor plate.
Position the shoes against the backing plate and release them.
Pull the spring into the groove at the bottom of the anchor plate.

Connect the hold-down pins and the spring assemblies (8).
Install the adjuster actuator (11) over the end of the adjuster pin (12) so the top leg engages the notch in the adjuster screw. NOTICE: Do not over-stretch the actuator spring. Damage can occur if it is stretched to more than 83 mm (3.27 inches) .
Install the actuator spring (13). The free end of the adjuster actuator (11) must engage the notch of the adjuster nut.
Connect the parking brake cable to the parking brake lever (2).
Install the drum. Align the marks made during disassembly.
Adjust the rear brakes.
Install the tire and the wheel. Align the marks made during disassembly.