gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Temperature Warning Lamp/Indicator, Engine Cooling|Description and Operation|Page 2469 > < A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87|Page 2465
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Temperature Warning Lamp/Indicator: Description and Operation

A bi-metal temperature switch located in the cylinder head controls the operation of a temperature indicator light. If the engine cooling system is not
functioning properly and/or coolant temperature exceeds a predetermined value, the warning light will illuminate.

Temperature Warning Lamp/Indicator, Engine Cooling|Description and Operation|Page 2469 > < A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87|Page 2465