How to check the radiator temperature at idle?
Start the engine and let idle until the engine reaches normal operating temperature and the thermostat is fully open. A fully open thermostat can be verified by the radiator fan cycling on at least once. Turn the engine off for 1 minute. Run the engine at a minimum of 3500 RPM for 30 seconds. Run the engine at idle for 30 seconds.
What to do if your car has no heat at idle?
With the cabin heat turned on and engine at operating temperature. Idle for ten minutes before shutting off the engine. Locate the heater core hoses, they’re fitted on the fire wall behind the engine. Grab both hoses, both should be roughly equally warm, if not, the heater core is blocked.
What should the left vent Temperature be at idle?
Idle the engine for additional 20 minutes at an ambient of 60 °F (15.5°C) or above with the hood down. The left center vent discharge air temperature should be a minimum of 137 °F (58 °C) at 60 °F (32 °C) ambient.
How to reduce heater duct discharge temperature at idle?
Turn the engine off for 1 minute. Run the engine at a minimum of 3500 RPM for 30 seconds. Run the engine at idle for 30 seconds. Repeat steps 3-5 a total of 10 times. CAUTION: THE FLUSHING SOLUTION CONTAINS NO GLYCOL, THE SYSTEM WILL BOIL BEFORE THE FANS TURN ON IF THE PRESSURE CAP IS NOT FITTED CORRECTLY. Remove the air cleaner assembly.
Start the engine and let idle until the engine reaches normal operating temperature and the thermostat is fully open. A fully open thermostat can be verified by the radiator fan cycling on at least once. Turn the engine off for 1 minute. Run the engine at a minimum of 3500 RPM for 30 seconds. Run the engine at idle for 30 seconds.
With the cabin heat turned on and engine at operating temperature. Idle for ten minutes before shutting off the engine. Locate the heater core hoses, they’re fitted on the fire wall behind the engine. Grab both hoses, both should be roughly equally warm, if not, the heater core is blocked.
Idle the engine for additional 20 minutes at an ambient of 60 °F (15.5°C) or above with the hood down. The left center vent discharge air temperature should be a minimum of 137 °F (58 °C) at 60 °F (32 °C) ambient.
When to reduce heater discharge temperature at idle?
Some 2009 Flex vehicles built before 1/19/2009 may exhibit a customer concern of reduced heater duct discharge temperature when the vehicle engine is brought down to an idle speed. Follow the Service Procedure steps to correct the condition. Drive vehicle minimum 20 minutes.