MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY SERVICE MANUAL NUMBER 23
Page 5C-26 90-861326--1 MARCH 1999
Engine Coolant Temperature (ECT) Sensor
NOTICE
Refer to “Precautions” in this section, BEFORE proceeding.
REMOVAL
NOTE: Handle the ECT carefully, as any damage to it will affect operation of the system.
1. Disconnect electrical connector at Engine Coolant Temperature (ECT) sensor.
72799
a
b
a-Thermostat Housing
b-Engine Coolant Temperature (ECT) Sensor
2. Remove ECT from thermostat housing.
CLEANING AND INSPECTION
1. Clean with a dry cloth, removing any excess sealant from the base threads.
2. Inspect for evidence of physical damage to base or connector surfaces of the ECT.
INSTALLATION
1. Install ECT sensor in thermostat housing. TIGHTEN HAND TIGHT PLUS 2-1/2 TURNS
MAXIMUM.
72799
a
b
a-Thermostat Housing
b-Engine Coolant Temperature (ECT) Sensor
2. Connect electrical connector to ECT sensor.
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