2001 Chevrolet Camaro Car fan

2001 CHEVROLET CAMARO
190,000 MILES • V6 • 2WD • AUTOMATIC
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FIDEL2993
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for a while now EVERY time I turn on my car, you can hear a loud fan turn on, even if my car isnt hot at all. It went on for a while and one day it just went away, it however came back. Its quite annoying. What is it exactly? I did some research but couldn't find a concrete answer so far, jus that maybe it might have to do with a relay?
Also I would like to point out that as soon as the fan started to turn on automatically, my gauge that detects the coolant level of my car wont move anymore.

Thank you!
Jul 23, 2014 at 5:00 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
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Most likely the coolant temp sensor is bad. Check that first. It will cause the gauge not to work and if the computer is getting a false reading from it, it may think the engine is hot and turn the fan on. Check to make sure the wiring is not damaged and the connection is clean and tight.
Jul 23, 2014 at 7:50 PM
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FIDEL2993
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do you know where the coolant sensor is located? or how much that repair might cost? many thanks
Jul 23, 2014 at 7:54 PM
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JACOBANDNICKOLAS
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It's below the throttle body and above the water pump pulley. See pic attached.

As far as a price, my flat rate book calls for 1.1 hour labor. So whatever your mechanic charges per hour times that. I looked up the part at a nationally recognized parts store and it was under 15.00 dollars.
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Jul 24, 2014 at 6:19 PM
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FIDEL2993
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Wonderful! thank you friend! great help!
Jul 24, 2014 at 6:57 PM
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JACOBANDNICKOLAS
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Glad to help. Let me know if you have other questions.

Joe
Jul 24, 2014 at 7:01 PM
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FIDEL2993
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actually I do! Sister's car has been acting quite weird. The other day, when she parked, she noticed her park shift didn't work anymore. Now even if she is in park mode, her car goes to reverse mode. My best guess is that it's a transmission problem? Would she have to get that replaced or would she be able to just get it fixed up? It is a 2001 jetta. Thanks!
Jul 24, 2014 at 7:07 PM
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JACOBANDNICKOLAS
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Do all the gears work? For example, if it is in drive, does the transmission shift through all the gears? If so, the first thing I would check would be the transmission linkage to make sure it is in good condition and not out of adjustment.
Jul 26, 2014 at 5:26 PM
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FIDEL2993
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yes all of them except for the park gear. would readjusting them be costly?
Jul 27, 2014 at 11:12 PM
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JACOBANDNICKOLAS
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It would need inspected to see if something has slipped or is worn and needs replaced. As far as the Park position, there is a part in the transmission called the parking paw. It is nothing more than a steel bar that engages into the output shaft of the transmission which doesn't allow it to turn.
Jul 28, 2014 at 5:24 PM
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FIDEL2993
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I see. Thank you very much!
Jul 29, 2014 at 12:48 AM
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JACOBANDNICKOLAS
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Let me know if you need anything.

Joe
Jul 29, 2014 at 7:39 PM