Engine coolant temperature (ect) sensor

ENGINE COOLANT TEMPERATURE (ECT) SENSOR

Service repair no - 18.30.10

Remove

1. Disconnect battery earth lead.
2. Remove engine acoustic cover. See BODY, Exterior fittings.
3. Loosen coolant filler cap to release pressure, protect hands if system is hot.Position absorbent cloth around coolant temperature sensor to absorb any coolant spillages.

4. Disconnect multiplug from coolant temperature sensor.
5. Using 19mm socket, remove coolant temperature sensor.

Refit

1. Clean threads of coolant temperature sensor and apply Loctite 577.
2. Fit coolant temperature sensor and tighten to 5 Nm.
3. Connect multiplug to coolant temperature sensor. Remove cloth.
4. Fit engine acoustic cover. See BODY, Exterior fittings.
5. Connect battery earth lead.
6. Top-up cooling system. See COOLING SYSTEM - ’L’ SERIES, Adjustments.

CRANKSHAFT SENSOR

Service repair no - 18.30.12

Remove

1. Remove air intake pipe. See this section.

2. Disconnect multiplug from crankshaft sensor.
3. Remove bolt securing crankshaft sensor to gearbox adaptor plate.
4. Remove crankshaft sensor.

Refit

1. Clean crankshaft sensor and mating face of gearbox adaptor plate.
2. Fit crankshaft sensor, fit bolt and tighten to 6 Nm.
3. Connect multiplug to crankshaft sensor.
4. Fit air intake pipe. See this section.