42 Brake System
Brake Caliper Rebuild
42-0010
- Bleeding brake system and replacing brake fluid
42-0013
- Replacing brake hoses
42-0015
- Checking brake system for leakage using pressure tester
42-0040
- Removal and installation of mechanical stop lamp switch
42-0100
- Removal and installation of fixed caliper on front axle
42-0110
- Removal and installation of floating caliper on front axle
42-0120
- Removal and installation of fixed caliper on rear axle
42-0150
- Disassembly and assembly of fixed caliper, replacement of parts according to condition
42-0152
- Disassembly and assembly of floating caliper, replacement of parts according to condition
42-0160
- Checking and replacing brake pads
42-0220
- Checking, removal and installation of brake disc on front axle
42-0228
- Checking, removal and installation of brake disc on rear axle
42-0260
- Cleaning brake discs using cleaning pads
42-0310
- Removal and installation of stepped tandem master brake cylinder
42-0315
- Reconditioning stepped tandem master brake cylinder
42-0510
- Removal and installation of parking brake pedal assembly
42-0515
- Removal and installation of hand brake lever for parking brake
42-0516
- Removal and installation of release knob for parking brake hand lever
42-0520
- Removal and installation of front brake control cable
42-0525
- Removal and installation of rear brake control cable
42-0530
- Removal and installation of parking brake shoes
42-0540
- Adjusting parking brakes
42-0700
- Design and function of anti-lock braking system
Select page...
A. General
B. Driving with ABS
C. Location of components
D. Overall function
E. Hydraulics
F. Electronics
G. Revised 124.036
42-0702
- Important information on repairs
42-0705
- Removal and installation of hydraulic unit (A7)
42-0708
- Removal and installation of ABS control unit
42-0710
- Removal and installation of relays for solenoid valve and charge/return pump
42-0711
- Removal and installation of overvoltage protection/basic module
42-0712
- Removal and installation of front wheel-speed sensors
42-0714
- Removal and installation of rear wheel-speed sensors
42-0720
- Electrical test program - Model 124 (except 124.034), 201
42-0725
- Function and test of 5, 7 and 9-pin relays Overvoltage protection from 9/85
42-0730
- Test instructions for ABS tester with fault memory PN 124 589 22 21 00
42-0800
- Design and function of acceleration skid control ASR II
Select page...
A. General
B. Driving with ASR II
C. Overall function of ASR II
D. Location of electrics/electronics components
E. Function of electrics/electronics
F. Location of hydraulic components
G. Function of hydraulic components
42-0810
- Notes for towing, or test and repair work, and handling ASR components on vehicles following an accident
42-0816
- Removal and installation of ASR hydraulic unit (A7/3)
42-0818
- Removal and installation of ASR pressurizing pump (M15)
42-0819
- Removal and installation of accumulator
42-0820
- Removal and installation of left or right rear axle speed sensors
42-0821
- Removal and installation of ASR control unit (N30/1)
42-0822
- Test program - ASR II electrics/electronics
42-0824
- Test program - ASR II hydraulics
Programmed repairs
- Brakes
Select complaint...
42 Service brake -
42-84033 Poor braking effect (normal pedal travel)
42-84032 Brake pedal moves down slowly when operated lightly
42-84033 Poor braking effect (normal pedal travel)
42-84034 Poor braking effect with a hard brake pedal (short pedal travel)
42-84035 Brakes heat up while driving, without operating the brake pedal
42-89121 Vibrating or rumbles when braking
42-84036 Brakes squeal
42-89091 High frequency whistling sound from the front wheel brake at a speed of 80-120 km/h
42-90121 Brakes calipers rattle when brake is not operated
42 Parking brake -
42-84037 Inadequate braking effect of parking brake
42-88071 Parking brake does not release or malfunction indicator lamp in instrument cluster does not go out
42-92072 Parking brake expanding lock rattles
42-91071 Parking brake linings burnt
42-91082 Foot controls carrier loose (pedal hangs loose with carrier)
Programmed repairs
- Brakes - ABS
Select complaint...
Pedal pulsates during application of moderate braking force (not in active ABS regulation range) ABS
- malfunction indicator lamp not illuminated or illuminated sporadically during vehicle operation, until
- ignition is switched off.
ABS malfunction indicator lamp comes on at high speed.
ABS malfunction indicator lamp remains on after engine is started, until ignition is switched off (in
- order after repeated engine starts).
Brake pedal pulsates when first driving off after engine is started.
Noisy return pump during the course of ABS regulation.
ABS malfunction indicator lamp comes on during vehicle operation and remains on until ignition is
- switched off.
ABS malfunction indicator lamp comes on (fault code 2 + 3), Model 140.
ABS malfunction ;amp remains on intermittently after engine is started. the lamps generally
- go out after repeated engine starts.
ABS malfunction indicator lamp does not go out after engine is started or comes on and
- goes out at random while driving.
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