XJ-S Coupe (XJ27) V12-6.0L (1994)
Temperature Sensor (Gauge): Service and Repair
COOLANT TEMPERATURE TRANSMITTER
Fig 1
Fig 2
RENEW
Open the bonnet.
Disconnect the battery earth lead.
WARNING! DO NOT REMOVE THE CAP AT THE REMOTE HEADER TANK UNLESS THE ENGINE IS COLD.
Remove the radiator pressure cap to depressurize the system.
Disconnect the transmitter feed wire.
Unscrew and remove the transmitter (1 Fig. 1 - 12 cyl. / 1 Fig. 2 - 6cyl.). Remove and discard the seal I washer.
Fit a new seal / washer to the replacement transmitter.
Fit and tighten the transmitter.
Reconnect the transmitter feed wire.
Check/top up the coolant. Refit the pressure cap.
Note: Always top-up with the recommended strength of antifreeze, never with water only.
Reconnect the battery earth lead.