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a/c problem

S

Stifler

Guest
My a/c intermittently comes on and off. The thermostat says its -25 degrees outside. Does anyone know what part do I need to buy to fix it?
 

99WhiteC5Coupe

Well-known member
Joined
Jan 19, 2002
Messages
293
Location
Cincinnati, Ohio, USA
Corvette
1999 White Coupe
My a/c intermittently comes on and off. The thermostat says its -25 degrees outside. Does anyone know what part do I need to buy to fix it?

You need to replace the outside air temperature sensor (about $15.00 at the dealer).

It is located under the front of the car, on the passenger side - attached to the radiator shroud. Clean the connector cavity well and use silicone dielectric grease in the cavity to prevent future corrosion.

If the sensor is bad or the connection corroded, it will give a false reading which can affect the HVAC system - especially the dual-zone HVAC.

Good luck. This is very easy to repair.
 
Joined
Jan 19, 2003
Messages
3,021
Location
5,800 feet above sea level
Corvette
2006 'Evil Stealth Black' Roadster
I believe the technical name for this is the "ambient outside temperature sensor." I had to replace this once on my old '96 Eldorado- just gave up the ghost one day in January and started telling me it was 105 degrees outside. :crazy

The replacement sensor from a Cadillac dealer parts department was $20, and it took about 5 minutes to replace. I would imagine it's pretty similar for a Corvette, both being GM products.

:w
-Patrick
 
R

ro.co2

Guest
I've got the same problem,reading -31*. I went out and bought the sensor with no change. The plug itself is corroded, cleaned it and am getting good continuity but still not reading right. Just ordered new plug but was wondering if anyone else has run into this. Thanks for any replies.
 

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