Hydraulic body, front wheels
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Hydraulic body, front wheels
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1.
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Raise the car and remove the wheel.
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2.
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Press the piston back using a pair of pliers.
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3.
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Depress the brake pedal slightly, using a brake pedal clamp.
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4.
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Remove fuse No. 1 for the brake lights.
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5.
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Disconnect the hose from the hydraulic body.
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6.
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Undo the hydraulic body retaining bolts and remove the hydraulic body.
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1.
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Fit the brake caliper, apply Loctite 242 to its two retaining bolts and tighten them, using a torque wrench.
Tightening torque 110 Nm (81 lbf ft).
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2.
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Connect the hose to the brake caliper.
Tightening torque 45 Nm (33 lbf ft)
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Important
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Bear in mind the twisting of the hose so that it is not refitted incorrectly.
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3.
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Remove the brake pedal clamp and put back the fuse.
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5.
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Fit the wheels, see
Wheels
.
Tightening torques
aluminium wheel 110 Nm (81 lbf ft)
steel wheel 50 Nm +2x90°, max. 110 Nm (37 lbf ft +2x90°, max. 81 lbf ft)
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Important
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The wheel must hang freely when the wheel bolts are being tightened.
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6.
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Lower the car to the floor and depress the brake pedal to force out the brake pistons.
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7.
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Check the brake fluid level and top up if necessary.
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1.
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Remove the brake caliper, see
.
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2.
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Remove the brake pads, see
.
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3.
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Clean the hydraulic body.
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4.
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Press out the brake piston by blowing compressed air through the hose connection.
Warning
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Mind your fingers as the brake piston flies out.
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5.
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Remove the dust cap and piston seal.
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6.
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Check for damage due to wear.
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1.
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Lubricate the piston sealing ring with the grease supplied in the kit. Also pack the dust cap with grease.
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2.
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Fit the new piston seal in the brake cylinder's inner groove.
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3.
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Fit the dust cap over the brake piston.
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4.
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Press the dust cap's collar into the brake cylinder's outer groove.
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5.
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Press the piston into the brake cylinder by such an amount that the dust cap fastens in the brake piston's groove.
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6.
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Fit the brake pads, see
.
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7.
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Fit the brake caliper, see
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