Engine Fails To Reach Normal Operating Temperature. Cadillac SRX 2004

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2004 🢒 SRX 🢒 Engine 🢒 Engine Cooling 🢒 Engine Fails To Reach Normal Operating Temperature

The engine may fail to reach normal operating temperature due to an intermittent operation of one of the following components:

•	The thermostat

•	The electric fan system

•	The mechanical fan system

For electrical inspection of the electrical fan system, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

For mechanical fan system inspection refer to Fan Clutch Diagnosis .

Step	Action	Yes	No
DEFINITION: Normal coolant temperature readings will be expected to vary from 88-104°C (190-220°F).
1	Did you perform the engine cooling diagnostic system check?	Go to Step 2	Go to Diagnostic System Check - Engine Cooling
2	Verify that the engine fails to reach normal operating temperature. Is the engine failing to reach normal operating temperature?	Go to Step 3	Go to Diagnostic Aids
3	Inspect the surge tank for low coolant. Is there a loss of coolant?	Go to Loss of Coolant	Go to Step 4
4	Inspect the thermostat for proper operation. Refer to Thermostat Diagnosis . Does the thermostat operate properly?	Go to Step 6	Go to Step 5
5	Replace the thermostat. Refer to Engine Coolant Thermostat Replacement . Did you complete the repair?	Go to Step 6	--
6	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2