A/C doesn't work on low... Need part name/number. - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 8 (permalink) Old 03-25-2011, 02:51 PM Thread Starter
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A/C doesn't work on low... Need part name/number.

I've searched but didn't come up with anything.

I'm not sure which part needs to be replaced. Could someone tell me what its called, or give me a part number?

The A/C works on the 2, 3 & 4 settings, but doesn't work at all on the 1st setting.

Could it be the... Vacuum motor? Temperature Control Switch? etc...

Thanks.

2002 F-250 4X4 Flatbed

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post #2 of 8 (permalink) Old 03-25-2011, 05:02 PM
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Re: A/C doesn't work on low... Need part name/number.

Bad resistor.. If it dies completely you will have high speed fan only..
post #3 of 8 (permalink) Old 03-25-2011, 05:05 PM
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Re: A/C doesn't work on low... Need part name/number.

Where is this resistor? I thought it was vacuum actuated... I had the same problem in mine and it was just the connector on the back.

2000 F-250, RCLB, Auto!!
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post #4 of 8 (permalink) Old 03-25-2011, 05:08 PM
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Re: A/C doesn't work on low... Need part name/number.

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Originally Posted by DcMoore999 View Post
Where is this resistor? I thought it was vacuum actuated... I had the same problem in mine and it was just the connector on the back.
Don't know where it is on an 02 but mine was behind the kick panel.. Mine went bad and I had switch position 2 and 3 gone.. There was also a problem with the connector going to it getting corroded.. I think it's in the engine bay on the 02.. IDK..
post #5 of 8 (permalink) Old 03-25-2011, 05:23 PM
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Re: A/C doesn't work on low... Need part name/number.

Here is the resistor for the 02.. Check the connector first.. They sell them as well..

02 2002 Ford F250 Super Duty Blower Motor Resistor - Climate Control - Dorman, Motorcraft, Standard Motor Products - PartsGeek
post #6 of 8 (permalink) Old 03-25-2011, 05:39 PM
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Re: A/C doesn't work on low... Need part name/number.

Good to know.

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post #7 of 8 (permalink) Old 03-25-2011, 05:42 PM Thread Starter
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Re: A/C doesn't work on low... Need part name/number.

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Originally Posted by atsah View Post
Here is the resistor for the 02.. Check the connector first.. They sell them as well..

02 2002 Ford F250 Super Duty Blower Motor Resistor - Climate Control - Dorman, Motorcraft, Standard Motor Products - PartsGeek
Thanks man, I appreciate it. I started the truck to go to lunch, and low was working... Intermittent problem I guess. Ill try that resister first.

Ill report back if it fixes my problem or not.

2002 F-250 4X4 Flatbed

~Cryo'd Forged Rods ~Comp 910's ~DI Push Rods ~ARP Studs ~IH Up-pipes ~GTP38R/1.15 ~238/80's ~Fuelab ~Built Auto ~Matt's Tunes ~Water Inj. ~Gooseneck Brand Flatbed

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post #8 of 8 (permalink) Old 03-25-2011, 05:51 PM
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Re: A/C doesn't work on low... Need part name/number.

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Thanks man, I appreciate it. I started the truck to go to lunch, and low was working... Intermittent problem I guess. Ill try that resister first.

Ill report back if it fixes my problem or not.
I would think that if it all of a sudden it starting working again the plug has corrosion on it.. (bad connection) Look at that before you buy anything..
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