3.7L Engine

Fig 1: Removing/Installing MAP Sensor/ECT Sensor

Courtesy of DAIMLERCHRYSLER CORP.

1 - MOUNTING SCREWS

2 - MAP SENSOR

3 - ECT SENSOR

4 - FRONT OF INTAKE MANIFOLD

The Engine Coolant Temperature (ECT) sensor (3) is installed into a water jacket at front of intake manifold near rear of generator. See Fig 1.

WARNING: HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE PARTIALLY DRAINED BEFORE REMOVING THE COOLANT TEMPERATURE SENSOR.

Partially drain cooling system. Refer to DRAINING COOLING SYSTEM .
Disconnect electrical connector from sensor.
Remove sensor from intake manifold.