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Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1525 (Engine Cooling System) >> Diagnostic Information and Procedures >> Engine Fails To Reach Normal Operating Temperature

Engine Fails To Reach Normal Operating Temperature

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the cooling system is properly filled. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (GE 47716 Fill) .
  2. If the complaint is a low temperature reading, check the temperature gage for proper operation. Connect a scan tool to the vehicle and read the system temperature. Compare this reading to the temperature. Replace the gauge or switch if necessary.
  3. Refer to Heating Performance Diagnostic if the complaint is no heat from the HVAC system.
  4. Verify proper thermostat operation. Refer to Thermostat Diagnosis .
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