my 1995 saturn sl cooling fan does not turn on unless i run a/c.i have replaced thermastat and water pump and checked relays and fuses. WHAT NEXT?

180

Asked by Jul 05, 2012 at 12:35 PM about the 1995 Saturn S-Series 4 Dr SL Sedan

Question type: Maintenance & Repair

8 Answers

10,845

You most likely have a bad water temp sensor (or bad connection to the sensor).

3 of 3 people found this helpful.
1,615

how hot is it getting w/o your ac on and no rad fan on?

5 of 5 people found this helpful.
180

Can u give me a detailed location of engine coolant temp sensor,PLEASE!

15 of 15 people found this helpful.
180

It gets so HOT it boils over!

3 of 3 people found this helpful.
10,845

Back track the wires from the fan plug. One will go to the ac switch, and one goes to the temp sensor. Usually the water temp sensor is located on the radiator or thermostat housing.

2 of 2 people found this helpful.
10,845

You may even want to think about changing your radiator cap. The car could boil over and never get hot enough to trip the fan switch if the cap is faulty.

2 of 2 people found this helpful.
1,615

http://www.google.com/imgres?um=1&hl=en&sa=N&biw=1600&bih=738&tbm=isch&tbnid=rJ77QDYPVdk1CM:&imgrefurl=http://www.saturnfans.com/photos/showphoto.php/photo/52117/title/ects-location28closer-29/cat/500&docid=UhFZAPrmTTC9xM&imgurl=http://www.saturnfans.com/photos/data/500/ECTS_location_2.jpg&w=720&h=540&ei=P_n4T-KRCKHq2QWGpc3wBg&zoom=1&iact=hc&vpx=168&vpy=273&dur=509&hovh=194&hovw=259&tx=124&ty=111&sig=101853270542787326595&page=1&tbnh=119&tbnw=159&start=0&ndsp=33&ved=1t:429,r:8,s:0,i:101 and i agree on checking to see if theres steam escaping from the cap, since the system needs to be pressurized.

1 of 1 people found this helpful.
1,615

heres the pic from that failed link

2 of 2 people found this helpful.

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