chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Radiator Cooling Fan Motor Relay > < Diagram Information and Instructions|Page 1132
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1.

Drain cooling system and remove thermosensor from radiator, Fig. 1.

2.

Connect suitable ohmmeter between sensor terminals.

3.

Heat thermosensor in suitable solution while observing ohmmeter.

4.

Meter should indicate continuity when temperature reaches 186-192°F.

5.

Allow sensor to cool while observing meter. Meter should indicate no continuity as temperature drops below 178-183°F.

6.

If sensor fails to operate as outlined, sensor is defective.

Radiator Cooling Fan Motor Relay > < Diagram Information and Instructions|Page 1132