Land Rover Discovery: Body Repairs - Corrosion Protection
Land Rover Discovery (2009–2016) Service Manual / Body / Body Repairs and General
Information / Body Repairs - Corrosion
Protection
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Galvanic Corrosion
Galvanic corrosion is the cross-contamination of dissimilar metals, in this
case aluminium and steel. Avoidance of galvanic corrosion is an important
issue to be considered in the repair of aluminium
Partial Renewal
The procedure to follow when partially renewing components is the same as
described in the section "Welded Components".
The main difference when components are partially, rather than completely
renew
Approved Service Materials for
Repair
If any of these items are not available check with the supplier/manufacturer
of these products for a superseded equivalent.
APPROVED SERVICE MATERIAL SUPPLIER - CONTACT DETAILS
3M
3M Uni
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Wheel Speed Sensors
Retaining screw
Wheel speed sensor
Bearing seal and magnetic encoder ring
Wheel bearing
Wheel hub
An active wheel speed sensor is installed in each wheel knuckle, and
provides the Anti-lock Brake System (ABS) control module with a rotational
speed signal from each road wheel. The head of ea
Engine Speed and Torque
Monitoring
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
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