BMW 7 Series: Removing And Installing/Renewing All Parking Brake Shoes
Installation
- Remove rear brake discs
- Release electromechanical parking brake (EMF)
After completing tasks, adjust PARKING BRAKE.
Disconnect return springs (1) with brake spring pliers.
Installation: Return springs (1) must not be over-elongated.
Check return springs (1) and replace if necessary.
Return springs (1) must not be mixed up.
Pay attention to installation position of adjusting screw (2).
Apply a thin coat of grease to bush and screw threads,
.png)
Fig. 136: Identifying Return Springs And Adjusting Screw
NOTE: Illustration does not show wheel hub.
Twist roll pins (1) 90º with special tool 34 4 000 and detach.
Remove brake pads (2).
.png)
Fig. 137: Identifying Roll Pins And Brake Pads
REMOVING AND INSTALLING/REPLACING EXPANDER FOR PARKING BRAKE SHOES
Necessary preliminary tasks
- Remove PARKING BRAKE SHOES
After completing tasks, adjust PARKING BRAKE.
Pull brake shoe expander (1) forward, disconnect parking brake Bowden cable (2) and remove brake shoe expander.
.png)
Fig. 138: Identifying Brake Shoe Expander And Parking Brake Bowden Cable
REPLACING BOTH BOWDEN CABLES FOR PARKING BRAKE
IMPORTANT: Read and comply with GENERAL INFORMATION.
Bowden cables may only be replaced in pairs.
Necessary preliminary tasks
- Remove ACTUATOR UNIT with control unit for parking brake
Bowden cable, left
Release union nut (1).
.png)
Fig. 139: Identifying Union Nut
Installation
Tightening torque 34 41 5AZ.
Pull Bowden cable (1) out of actuator unit (2).
.png)
Fig. 140: Identifying Bowden Cable And Actuator Unit
IMPORTANT: Make sure all parts are absolutely clean.
Turn spindle (1) out of actuator unit (2) and remove Bowden cable.
Installation: Lubricate new spindle with grease provided.
Insert spindle (1) 3 turns into inner spline shaft of actuator unit (2).
.png)
Fig. 141: Identifying Spindle And Actuator Unit
Bowden cable, right
Release union nut (1).
Installation: Tightening torque 34 41 5AZ.
.png)
Fig. 142: Identifying Union Nut
Pull Bowden cable (1) out of actuator unit (2).
.png)
Fig. 143: Identifying Bowden Cable And Actuator Unit
Unlock locking sleeve (1) and pull out of housing a little.
.png)
Fig. 144: Identifying Locking Sleeve
Snap out coupling (1) in direction of arrow.
.png)
Fig. 145: Identifying Snap Out Coupling
After installation
- Carry out initial operation/function test in BMW diagnosis system.
- Path
- Function selection
- Service functions
- Chassis
- Parking brake
- Initial operation/function test
- Path
READ NEXT:
Mechanical/Hydraulic Components
REMOVING AND INSTALLING/REPLACING DSC HYDRAULIC UNIT
Necessary preliminary work
Read and comply with GENERAL INFORMATION.
Remove front left rear WHEEL ARCH PANEL
Remove left UNDERBODY PANELLING
A
Electronic Components
OVERVIEW OF ELECTRONIC COMPONENTS
Fig. 153: Overview Of Electronic Components
Pulse generator
Brake pad wear sensor
ICM control unit
DSC control unit
REMOVING AND INSTALLING/RENEWING ICM CONT
Replacing A Rear Pulse Sensor
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD protection).
Necessary preliminary tasks
Remove rear WHEEL
Read and comply with GENERAL INFORMATION.
Open hous
SEE MORE:
Symbols and displays
Symbols in the Owner's Manual
Symbol Meaning
Precautions that must be followed
in
order to avoid the possibility of injury
to yourself and to others as well as
serious damage to the vehicle.
Measures that can be taken to help
protect the environment.
Texts in vehicle used to select
individual funct
Driving Dynamics Control
Concept
The Driving Dynamics Control influences the
driving dynamics properties of the vehicle.
The vehicle can be adjusted depending on the
situation using various driving modes.
General information
The following systems are affected, for instance:
Engine characteristics.
Steptronic transmissio
