Fitment

IMPORTANT NOTES FOR FITMENT

• Ensure vehicle is parked on level ground and supported by axle stands. DO NOT WORK ON VEHICLE IF IT IS BEING SUPPORTED BY A LIFTING JACK!

• Before starting, it is advised that a clean cloth or rag be placed over the brake fluid reservoir to absorb any excess brake fluid that may occur when the pistons are pushed back.

• Spilled brake fluid will damage vehicle paintwork. Wash away any spills with fresh water.

• Cleanliness is absolutely essential to ensure proper performance of the pads. Ensure that calipers, pins, slides, shims, discs, wheel hubs and all other related parts are free of dirt, rust, old grease and oils before reassembly.

• If working on a vehicle equipped with ABS, open the brake bleeding nipple before pushing piston back into caliper. This can prevent contaminated brake fluid from entering the ABS module, which is costly to replace.

• When fitting rear pads, please note that certain vehicles require specialized tools to reset the handbrake or the piston within the caliper. If unsure, seek advice.

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HOW TO REPLACE BRAKE PADS -FIXED CALIPERS

1. Ensure vehicle is placed solidly on axle stands – remove wheels

2. Remove the anti-rattle spring clips

3. Push or tap out the retaining pins. Pull out the old brake pads

4. Compare the old and new pads. Check for the correct part number

5. Carefully push the pistons back

6. Ensure calipers are free of dirt, brake dust and oils

7. Clean piston shims, if fitted, and refit to pad

8. Gently slide pads back into the caliper, noting correct inner/outer pad orientation

9. Refit retainer pins and new anti-rattle springs

10. Slowly pump brake pedal a few times until pressure returns

11. If pedal feels spongy, check for air in the hydraulic system.

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HOW TO REPLACE BRAKE PADS -SLIDING OR FLOATING CALIPERS

1. Ensure vehicle is placed solidly on axle stands – remove wheels

2. Remove any old anti-rattle clips or pins, noting orientation

3. Undo the bolts holding the caliper pins, NOT bolts holding caliper to suspension

4. Lift the caliper off its mountings. Do not allow the caliper to hang by the rubber brake hose

5. Remove the old pads and shims, if fitted

6. Clean the caliper of all dust and dirt

7. Inspect caliper pins. If dirty or sticky, clean thoroughly and apply thin film of graphite grease, to allow caliper to slide freely over the pins

8. Carefully push piston back into caliper

9. Clean shims, if fitted and refit to new pads

10. Refit new pads into caliper, noting correct inner/outer pad orientation. Ensure the pad can slide freely in the caliper without sticking

11. Remount caliper to bracket, ensuring new anti-rattle clips or springs are refitted

12. Slowly pump brake pedal a few times until pressure returns

13. If pedal feels spongy, check for air in the hydraulic system.

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HOW TO PUSH THE PISTONS BACK

• Push the piston back with a screwdriver or lever. A simple G-clamp may also work. There are also special tools commercially available for this purpose.

• If Brake fluid reservoir is full, or if the vehicle has ABS, loosen nipple and collect used brake fluid in a suitable container whist pushing pistons back.

• Ensure no air enters the hydraulic system during this process.

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HOW TO MEASURE THE DISC WEAR

• The tool required to measure the disc is a vernier caliper or micrometer.

• Measure thickness of the disc at different points around the circumference of disc face.

• Minimum disc thickness is normally marked or engraved on the disc. If disc thickness is less than the recommended thickness, replace discs.

• Training on the correct use of a vernier caliper and micrometer is recommended (digital and non digital instruments are available)

 

HOW TO CHECK IF THE DISC IS WARPED OR DAMAGED

• Check the wheel bearing play first.

• Use the dial gauge to check for any disc run-out which indicates a warped disc or badly damaged disc .

• It is recommended that this is done by a suitably qualified person.

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BLEEDING THE BRAKE SYSTEM

• Start the bleeding from the wheel furthest from the master cylinder.

• Use brake bleed bottle to collect fluid to avoid spillage.

• It is recommended to enlist the help of someone to help pump the brake pedal whilst bleeding the system.

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