Yukon 4WD V8-6.5L DSL Turbo VIN S (1997)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ECT Sensor Location
REMOVAL PROCEDURE
Disconnect the negative battery cable under the following circumstances:
^
When Installing an electrical unit.
^
When a tool or equipment could easily come into contact with "live" exposed electrical terminals.
WARNING: Failure to disconnect the negative battery terminal may result in personal Injury or damage to the vehicle's components. Turn OFF the
vehicle ignition, unless instructed otherwise.
1. Remove the negative battery cable.
2. Drain the cooling system below the level of the sensor.
3. Remove the electrical connector by releasing the locking tab.
4. Remove the sensor.
INSTALLATION PROCEDURE
1. Install the sensor into the engine.
2. Install the electrical connector.
3. Refill the coolant system.
4. Connect the negative battery cable.
