1 FLEXIBLE HOSE CONNECTION
2 BLEED SCREW
3 FLUID CHANNEL SEAL
4 INTERNAL FLUID CHANNEL
5 & 14 PISTONS
6 & 13 PISTON SEALING RINGS
7 & 12 DUST COVERS
8 RETAINING CLIPS
9 RETAINING PINS
10 & 11 BRAKE PADS
15 CALIPER BODY |
CALIPER
To remove and refit
1 -Apply the handbrake, jack up the front of the car and remove the front wheel. 2. Detach the caliper from the stub axle carrier by with- drawing two bolts and washers.
3. Suspend the caliper nearby without straining the flexible hose. When it is necessary to remove the caliper from the car, disconnect the pressure pipe from the flexible hose and remove the hose from the support bracket, see under "Flexible hose-To remove and refit."
4. Refitting is the reverse of the removal sequence but particular attention must be given to the following:--
(i) The longer bolt is fitted through the top lug of the caliper and through the rear lug of the steering arm.
(ii) Bleed the hydraulic system of air when the caliper has been removed from the car, see under "Bleeding the hydraulic system".
(iii) Pump the brake pedal until solid resistance is felt.
To dismantle and reassemble (Fig. 2)
1. Remove the two brake pads from the caliper by with- drawing two retaining clips and pins.
2. Clean off all road dirt from the caliper and pistons. DO NOT SPLIT THE CALIPER IN TWO, see under "Bridge bolts".
3. Withdraw the pistons, one at a time from the caliper, through the dust cover and remove the two dust covers from the open end of the piston bores.
4. Remove the two sealing rings from the piston bores using a plastic or wooden probe to avoid damaging the annular grooves.
5. Reassembly is the reverse of the dismantling sequence but particular attention must be given to the following:-
(i) All parts must be meticulously cleaned and re- assembled under equally clean conditions.
(ii) Coat the bores in the caliper, pistons and sealing rings with a liberal coating of brake fluid.
(iii) Work the sealing rings into the large annular groove in the piston bores with the fingers.
(iv) Insert the protruding lip of one dust cover into the groove in the open end of the piston bore-, feed the piston, closed end first, through the dust cover into the bore to its fullest extent and fit the outer lip of the dust cover into the groove in the piston. Repeat with the second piston and dust cover.
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