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Rear brake shoes - renewal
Braking system / Rear brake shoes - renewal


Warning: Drum brake shoes must be renewed on both rear wheels at the same time - never renew the shoes on only one wheel, as uneven braking may result. Also, the dust created by wear of the shoes may contain asbestos, which is a health hazard. Never blow it out with compressed air, and donТt inhale any of it. An approved filtering mask should be worn when working on the brakes. DO NOT use petroleum-based solvents to clean brake parts; use brake cleaner or methylated spirit only.

1 Remove the rear brake drums as described in Section 5. Work on one brake assembly at a time, using the assembled brake for reference if necessary.

2 Follow the accompanying illustrations for the brake shoe renewal procedure (see illustrations 6.2A to 6.2O). Be sure to stay in order, and read the caption under each illustration.

6.2A Note the fitted position of the springs and the adjuster strut, then
6.2A Note the fitted position of the springs and the adjuster strut, then clean the components with brake cleaner, and allow to dry. Position a tray beneath the backplate, to catch the fluid and residue

6.2B Remove the two shoe hold-down springs, using a pair of pliers to
6.2B Remove the two shoe hold-down springs, using a pair of pliers to depressthe upper ends so that they can be withdrawn downwards off the pins

6.2C Remove the hold-down pins from the backplate
6.2C Remove the hold-down pins from the backplate

6.2D Pull the bottom end of the leading (front) brake shoe from the bottom
6.2D Pull the bottom end of the leading (front) brake shoe from the bottom anchor (use pliers or an adjustable spanner over the edge of the shoe to lever it away)

6.2E Release the trailing (rear) brake shoe from the anchor, then move the
6.2E Release the trailing (rear) brake shoe from the anchor, then move the bottom ends of both shoes towards each other

6.2F Unhook the lower return spring from the shoes, noting the location holes
6.2F Unhook the lower return spring from the shoes, noting the location holes

6.2G Move the bottom ends of the brake shoes together, and disconnect the top
6.2G Move the bottom ends of the brake shoes together, and disconnect the top ends of the shoes from the wheel cylinder, taking care not to damage the rubber boots

6.2H Unhook the upper return spring from the shoes . . .
6.2H Unhook the upper return spring from the shoes . . .

6.2I . . . and withdraw the leading shoe from the backplate
6.2I . . . and withdraw the leading shoe from the backplate

6.2J To prevent the wheel cylinder pistons from being accidentally ejected,
6.2J To prevent the wheel cylinder pistons from being accidentally ejected, fit a suitable elastic band or wire lengthwise over the cylinder/pistons. DonТt press the brake pedal while the shoes are removed

6.2K Pull the handbrake cable spring back from the operating lever on the
6.2K Pull the handbrake cable spring back from the operating lever on the rear of the trailing shoe. Unhook the cable end from the cut-out in the lever, and remove the shoe

6.2L Unhook the automatic adjustment strut from the trailing brake shoe . . .
6.2L Unhook the automatic adjustment strut from the trailing brake shoe . . .

6.2M . . . and remove the small spring
6.2M . . . and remove the small spring

6.2N Clean the backplate, and apply small amounts of high-melting-point brake
6.2N Clean the backplate, and apply small amounts of high-melting-point brake grease to the brake shoe contact points. Be careful not to get grease on any friction surfaces

6.2O Lubricate the sliding components of the automatic adjuster with a little
6.2O Lubricate the sliding components of the automatic adjuster with a little highmelting- point brake grease, but leave the serrations on the eccentric cam shown here clean

3 If the wheel cylinder shows signs of fluid leakage, or if there is any reason to suspect it of being defective, inspect it now, as described in the next Section.

4 Fit the new brake shoes using a reversal of the removal procedure, but set the eccentric cam at its lowest position before assembling it to the trailing shoe.

5 Before refitting the brake drum, it should be checked as described in Section 5.

6 With the drum in position, refit the wheel, then carry out the renewal procedure on the remaining rear brake.

7 Lower the vehicle to the ground, and tighten the wheel nuts.

8 Depress the brake pedal several times, in order to operate the self-adjusting mechanism and set the shoes at their normal operating position.

9 Make several forward and reverse stops, and operate the handbrake fully two or three times. Give the vehicle a road test, to make sure that the brakes are functioning correctly, and to bed-in the new linings to the contours of the disc. Remember that the new linings will not give full braking efficiency until they have bedded-in.


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