2003 Chevy Impala Cooling Fan Sensor

The pcm controls the cooling fan by grounding the cooling fan control circuit which turns on the cooling fan relay.

2003 chevy impala cooling fan sensor.

The vehicle speed is less than 38 mph. Used to convert old style round pin sensors to new style flat pin sensor. I have replaced the engine cooling sensor had my radiator replaced and my intake gasket redone on the car. 1 controls the primary cooling fan driver s side 2 is the cooling fan control relay and 3 is the secondary cooling fan passenger side.

You should see a brass sensor to the left of the hose going into the bottom front of the intake. I does not run when i turn the fan on or after the car has idled and the temperature has gone up in the car. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Follow the upper radiator hose down to the intake manifold.

I have also had my relays checked. Location of coolant temperature sensor on a 2003 chevy impala 3 8 engine. All products are engineered and tested to provide years of trouble. Harness connector repair.

On this episode of fear no fix jim and chris replace the coolant temperature sensor in a 3 5l chevrolet impala model years 2006 2013. 2 1 l to r i believe. The most recently reported issues are listed below. Two problems related to cooling fan have been reported for the 2003 chevrolet impala.

2003 impala is it a temp sensor or cooling fan switch my engine light is on in my 2003 impala the temp guage has increased at various times ive had the water pump therma stat and cooling fans replace the obd read out says cooling fan relay 2 had it replace but light is still on and car nearly overheat at times. Reasons for 2003 impala cooling fan not to work answered by a verified chevy mechanic we use cookies to give you the best possible experience on our website. The wiring and sensor may be. My cooling fan only comes on when the ac is on.

The engine coolant temperature reaches 106 c 223 f or more. Please also check out the statistics and reliability analysis of the 2003 chevrolet impala based on all problems reported for the 2003 impala. 2003 chevrolet impala base. Chevy impala 2003 cooling fan switch connector by four seasons.

Come join the discussion about performance ss models modifications. In clueless to what else it could be. I go through the trouble shooting of the fan circuit of a 2000 chevy impala ls 3 8l engine.