GM/Detroit 6.5L ENGINE CONTROLS – ECT Sensor Replacement

Removal Procedure
Caution: Refer to Battery Disconnect Caution in General Information.
1. Remove the negative battery cab l es.
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
Notice: Refer to Fastener Notice in Cautions and Notices.
1. Install the sensor into the engine.
Tighten the sensor to 25 N-m (18 lb ft).

2. Install the electrical connector.
3. Refill the coolant system.
4. Install the negative battery cables.

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