Land Rover Discovery: Standard Workshop Practices
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When working on a vehicle in the workshop always make sure that:
Where practicable, the parking brake is applied and the wheels are
securely chocked to prevent the vehicle moving forwards or backwa
COMPONENT REMOVAL
Whenever possible, clean components and the surrounding area before
removal.
Blank off openings exposed by component removal.
Following disconnection, seal fuel, oil or hydraulic
All gaskets should be installed dry unless stated otherwise. Always apply the
specified lubricant to O-rings and install O-rings using the fingers only.
Use gasket removal spray and/or plastic scrape
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COMPONENT LOCATION
Central Junction Box (CJB)
Rain/light sensor
Rear Junction Box (RJB)
Rear window wiper motor
Rear window washer jet
Instrument Cluster (IC)
Windshield wiper motor and linkage assembly
Windshield washer jet
Engine Junction Box (EJB)
Windshield washer reservoir
Headlam
The ECM constantly supplies the TCM with information on engine speed
and torque through messages on the CAN powertrain systems bus. The
TCM uses this information to calculate the correct and appropriate timing of
shift changes.
If the messages are not received from the ECM, the TCM will implement a