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?

170

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

9,755

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

3 out of 3 people think this is helpful.
1,475

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

3 out of 3 people think this is helpful.
170

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

14 out of 14 people think this is helpful.
170

It gets so HOT it boils over!

3 out of 3 people think this is helpful.
9,755

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 out of 2 people think this is helpful.
9,755

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 out of 2 people think this is helpful.
1,475

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 out of 1 people think this is helpful.
1,475

heres the pic from that failed link

2 out of 2 people think this is helpful.

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