PRE-RELEASE
Brake system
| Brake system |
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Remove the wheels
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Check the thickness of the brake pads and the condition of the brake discs.
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It is advisable to change the pads when they have worn down to a thickness of 5 mm (0.16 in) or less.
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Rear brakes
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Remove the brake pads. If they offer resistance, use special tool 89 95 771.
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Clean the surfaces between the brake pads and brake caliper. Also inspect the dust covers.
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Smear a thin coating of PBC copper grease on the contact surfaces of the brake pads and caliper.
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Refit all components that have been removed.
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| Handbrake |
Check handbrake lever travel. If the wheels are not locked at the 6th notch, adjust the handbrake.
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Before adjusting the brake shoes, check that the cable does not exert a pull on the lever.
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Screw out the adjuster until the brake disc is blocked.
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Then screw in the adjuster until the brake disc can rotate freely. It is extremely important to slacken the brake shoes by a sufficient amount to avoid rattle. This corresponds to 7 notches.
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Repeat this procedure on the other rear wheel.
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Replace the brake shoes if more than 10 thread turns of the adjuster are visible through the adjusting hole in the disc.
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| Check the amount of lever travel in reserve (cars with single-cable system) |
If the lever still travels past the 6th notch, the handbrake cable equalizer must be adjusted.
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Pull up the handbrake lever to the 2nd notch.
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Tension the cables by means of the adjusting nut on the rod until the brake starts to act.
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Check the result. Repeat the procedure if necessary.
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Refit the wheels
Tighten the wheel bolts to a torque of: 117 Nm (86 lbf ft) - light alloy wheels 100 Nm (74 lbf ft) - pressed steel wheels
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| Check the amount of lever travel in reserve (cars with two-cable system) |
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Pull up the handbrake lever to the 2nd notch.
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Tighten the adjusting nut on the rod until the brake starts to act.
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Release the handbrake lever and apply it again. The wheels should be locked at the 3rd-6th notch.
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