Land Rover Discovery: Hydraulic Brake Actuation Brake Master Cylinder (G1785122) / Removal and
Installation
PART(S)
![Hydraulic brake actuation brake master cylinder (G1785122) removal and installation](images/books/227/index25(2).jpg)
REMOVAL
CAUTION:
If brake fluid is spilt on the paintwork, the affected area must be
immediately washed down with cold water.
NOTE:
Removal steps in this procedure may contain installation details.
All vehicles
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
Refer to: Brake Fluid Reservoir (206-06 Hydraulic Brake Actuation,
Removal and Installation).
WARNING:
Fluid loss is unavoidable, use absorbent cloth or a container
to collect the fluid.
CAUTION:
Make sure that all openings are sealed. Use new blanking
caps.
![Hydraulic brake actuation brake master cylinder (G1785122) removal and installation](images/books/227/index26(2).jpg)
Torque: 17 Nm
![Hydraulic brake actuation brake master cylinder (G1785122) removal and installation](images/books/227/index27(2).jpg)
Right-hand drive vehicles
![Hydraulic brake actuation brake master cylinder (G1785122) removal and installation](images/books/227/index28(2).jpg)
Torque: 10 Nm
All vehicles
CAUTION:
Discard the seal.
![Hydraulic brake actuation brake master cylinder (G1785122) removal and installation](images/books/227/index29(2).jpg)
Renew Part: Brake master cylinder seal.
Torque: 25 Nm
INSTALLATION
CAUTION:
A new O-ring seal is to be installed.
To install, reverse the removal procedure.
Refer to: Brake System Bleeding (206-00 Brake System - General
Information, General Procedures).
READ NEXT:
REMOVAL
NOTES:
This procedure contains some variation in the illustrations
depending on the vehicle specification, but the essential
information is always correct.
This procedure contains illustr
COMPONENT LOCATION
NOTE:
Right Hand Drive (RHD) illustration shown, Left Hand Drive (LHD)
illustration similar.
Brake pedal
Hydraulic pipes
Integrated Hydraulic Control Unit (HCU) and Anti-lock
Brake fluid reservoir cap
Brake fluid level switch
Brake fluid reservoir
Secondary circuit inlet port
Primary circuit inlet port
Brake master cylinder
Secondary circuit outlet port
Primary
SEE MORE:
REMOVAL
CAUTIONS:
Make sure to protect the paintwork.
LH illustration shown, RH is similar.
Using a suitable tool, release the trim panel.
NOTE:
Removal steps in this procedure may contain installation details.
Refer to: Wheel and Tire (204-04, Removal and Installation).
INSTALLATION
T
SPECIAL TOOL(S)
PART(S)
Removal
CAUTIONS:
Do not use air tools to remove or install the halfshaft nut.
Failure to
follow this instruction may result in damage to the component
Do not allow halfshafts to hang unsupported at one end or joint
damage will occur.
Make sure the halfshaft con