GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the engine cooling operations and descriptions, and perform the necessary inspections?

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Go to Step 2

Go to Symptoms - Engine Cooling

2

Does the engine coolant temperature display operate properly?

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Go to Step 3

Go to Engine Coolant Temperature Indicator Inoperative

3

Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

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Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2