Land Rover Discovery: Anti-Theft - Active Anti-Theft Alarm Horn with Integral Battery (G1791765)
/ Removal and Installation
SPECIAL TOOL(S)
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REMOVAL
NOTE:
Removal steps in this procedure may contain installation details.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
Refer to: Fender Splash Shield (501-02 Front End Body Panels,
Removal and Installation).
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Special Tool(s): JLR-419-003
Torque: 7 Nm
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Torque: 7 Nm
INSTALLATION
To install, reverse the removal procedure.
Anti-theft - active hood switch (G1791766) removal and installation
REMOVAL
NOTES:
- Removal steps in this procedure may contain installation details.
- Left hand illustration shown, right hand is similar.
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Torque: 10 Nm
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Torque: 5 Nm
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Torque: 10 Nm

INSTALLATION
- To install, reverse the removal procedure.
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COMPONENT LOCATION
Central Junction Box (CJB)
Instrument Cluster (IC)
Immobilizer Antenna Unit (IAU)
Smart key
Radio Frequency (RF) receiver
Battery Back-Up Sounder (BBUS)
Hood switch
Tailg
Description
The door modules provide the interface between the door latch motors, the
door and latch switches and the Central Junction Box (CJB). The door
modules provide door micro switch status info
Operation
The Central Junction Box (CJB) automatically arms and disarms the active
anti-theft system when it operates the Central Locking System (CLS).
On vehicles without a volumetric sensor, only t
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REMOVAL
CAUTIONS:
LH illustration shown, RH is similar.
Do not use tools during this operation, removal of the
component(s) must be carried out by hand.
NOTE:
Removal steps in this procedure may contain installation details.
Open the front door.
INSTALLATION
To install, reverse the removal pr
Thermostat housing
Heater element
Temperature sensor
The electric thermostat independently controls the engine coolant flow to
the cylinder head and cylinder block, improving engine warm-up times. The
thermostat contains a wax expansion element. Inside the wax element is a
heater element. Whe