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Toubleshoot why ac is putting out 140 degree air

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1996 - 2004 S40
1996 - 2004 V40
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rjr1031
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Year and Model: 2001 G40
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Toubleshoot why ac is putting out 140 degree air

Post by rjr1031 » Sun Jun 10, 2018 8:30 pm

I just bought a 2001 volvo s40 and the ac worked once then started putting out 140 degree air. What happened?



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RickHaleParker
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Re: Toubleshoot why ac is putting out 140 degree air

Post by RickHaleParker » Mon Jun 11, 2018 5:26 am

The blend door is not working for some reason. The heater runs all the time, temperature is regulated by blending hot and cold air. Start the diagnostic by scanning for CCM (Climate Control Module ) for error codes.


1997 S90, B6304S, AW30-42, Bosch Motronic 4.4
1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4
2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000.

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oragex
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Re: Toubleshoot why ac is putting out 140 degree air

Post by oragex » Mon Jun 11, 2018 9:05 am

Start first by carefully touching the return line of the A/C inside the engine bay, see if it feels cold with condensation on it

Also look at the clutch plate, does it look like it's turning along with the compressor pulley?


2003 2.4i S60 automatic 125k miles

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