Land Rover Defender: MHEV Battery
REMOVAL AND INSTALLATION
GENERAL EQUIPMENT
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REMOVAL
CAUTION:
Before disconnecting any components, make sure the area is clean and free from
foreign material. When
disconnected all openings must be sealed.
NOTE:
- This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is always correct.
- This procedure contains illustrations showing certain components
removed to provide extra clarity.
1. Disconnect the startup battery ground cable.
2. Remove the Mild Hybrid Electric Vehicle (MHEV) battery air duct.
3.
WARNING:
If the measured voltage exceeds 0 Volts +/- 1 Volt a fault may be present with
the MHEV battery.
The normal MHEV battery disconnect/connect procedure should be followed and the
fault
investigated.
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Reposition the 2 covers and use suitable equipment to check the voltage at
the MHEV battery negative and
positive terminals.
General Equipment: Digital multimeter
4.
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Disconnect the electrical connector from the MHEV battery.
5.
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Disconnect the MHEV battery breather hose from the MHEV battery.
6.
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- Reposition the cover to get access to the nut.
- Remove the nut.
- Disconnect the MHEV battery ground cable.
7.
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- Reposition the cover to get access to the nut.
- Remove the nut.
- Disconnect the MHEV battery positive cable.
8.
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Release the 2 wiring harness clips from the MHEV battery cover.
9.
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- Remove the 2 bolts.
- Remove the nut.
- Remove the MHEV battery cover.
10.
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- Remove the 6 bolts.
- Remove the 3 brackets.
11.
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Remove the MHEV battery.
INSTALLATION
1. Install the MHEV battery.
2.
- Install the 3 brackets.
- Install and tighten the 6 bolts.
Torque: 10Nm
3.
- Install the MHEV battery cover.
- Install and tighten the 2 bolts.
Torque: 6Nm
- Install and tighten the nut.
Torque: 6Nm
4. Install the 2 wiring harness clips to the MHEV battery cover.
5.
- Connect the MHEV battery positive cable.
- Install and tighten the nut.
Torque: 9Nm
- Reposition the cover.
6.
- Connect the MHEV battery ground cable.
- Install and tighten the nut.
Torque: 12Nm
- Reposition the cover.
7. Connect the MHEV battery breather hose to the MHEV battery.
8. Connect the electrical connector to the MHEV battery.
9. Install the MHEV battery air duct.
10. Connect the startup battery ground cable.
READ NEXT:
SPECIFICATIONS
Torque Specifications
COMPONENT TORQUE LOCATION
DESCRIPTION AND OPERATION
COMPONENT LOCATION
COMPONENT LOCATION - 1 OF 1
Generator
Electrical connector - Body Control Module/Gateway Module (BCM/GWM)
Electrical connector - Startup battery Posit
REMOVAL AND INSTALLATION
REMOVAL
NOTES:
This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is always correct.
This
SEE MORE:
JAGUAR LAND ROVER CUSTOMER
RELATIONSHIP CENTER
If you are dissatisfied with warranty repairs
performed on your vehicle, the following
steps should be taken to address your
concerns:
Discuss your concern with the retailer/
authorized repairer's Service Manager
and, if necessary, the owner or Gene
The vehicle is built using high-precision
manufacturing methods, but the moving
parts of the engine must still settle in
relative to each other. The breaking-in
process occurs mainly in the first 2 000 mi
(3 000 km) of operation.
During the breaking-in period of 2 000 mi
(3 000 km), observe and fol
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