Jaguar XJ (X350). Manual — part 964

Engine Coolant Temperature (ECT) Sensor
- 4.2L NA V8 - AJV8 (18.30.10)

Removal

1

.

WARNING: Never remove the coolant expansion tank pressure cap under any

circumstances while the engine is operating. Failure to follow this instruction may result in

personal injury.

WARNING: To avoid hot coolant or steam blowing out of the cooling system, use

extreme care when removing the coolant expansion tank pressure cap. Wait until the

engine has cooled down, then insulate the coolant pressure cap with a suitable cloth and

slowly loosen the coolant expansion tank pressure cap until the cooling system pressure is

released. Do not remove the coolant expansion tank pressure cap. Step back while the

pressure is released from the system. When all of the pressure has been released slowly

remove the coolant expansion tank pressure cap (still with the suitable cloth in position)

from the coolant expansion tank. Failure to follow this instruction may result in personal

injury.

Release the cooling system pressure.

Remove the coolant expansion tank pressure cap.

2 . Remove the air cleaner outlet pipe. <<303-12B>>

3 . Remove the engine coolant temperature (ECT) sensor electrical connector.

1) Disconnect the ECT sensor electrical connector.

2) Remove the ECT sensor.

Remove and discard the ECT sensor sealing washer.

Installation

1 . To install, reverse the removal procedure.

Install a new ECT sensor sealing washer.

Tighten to 17 Nm.

2 . Fill the cooling system up to the MAX mark on the coolant expansion tank.

www.

Fuel Rail Pressure (FRP) Sensor (18.30.98)

Removal

All vehicles

1

.

WARNING: Do not smoke, carry lighted tobacco or an open flame of any type when

working on or near any fuel related components. Highly flammable vapors are always

present and may ignite. Failure to follow these instructions may result in personal injury.

WARNING: Do not carry or operate cellular phones when working on or near any

fuel related components. Highly flammable vapors are always present and may ignite.

Failure to follow these instructions may result in personal injury.

Depressurize the fuel system. <<310-00>>

Vehicles with 3.5L or 4.2L engine without supercharger

2 . Remove the oil filler cap.

3 . Remove the engine cover.

Vehicles with supercharger

4 . Remove the engine cover.

All vehicles

5

.

NOTE:

Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with

supercharger similar.

Disconnect the fuel rail pressure (FRP) sensor vacuum hose.

1) Disconnect the FRP sensor electrical connector.

2) Disconnect the FRP sensor vacuum hose.

6

.

NOTE:

Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with

supercharger similar.

Remove the FRP sensor.

www.