98 ranger 2.5 engine ,a/c blows cold on max but hot on a/c and panel. - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 08-01-2014
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Join Date: Apr 2013
Location: Lexington,sc
Posts: 2
98 ranger 2.5 engine ,a/c blows cold on max but hot on a/c and panel.

Timing belt broke last week, replaced timing belt and truck runs fine, a/c works great on max a/c but when I change from max a/c to normal a/c hot air comes out of vents, but compressor is still running, also when control is switched to panel hot air comes out of vents also, temp control is on cold, don't know what to do next any help would be greatly appreciated.
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Old 08-01-2014
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Join Date: Mar 2009
Location: York, PA
Posts: 5,796
Blend door actuator is bad. Common problem
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Old 08-19-2014
Join Date: Aug 2014
Location: hialeah, florida
Posts: 5
Check behind your glove box. There is a cylinder looking little motor that opens and closes the flap door. The door or the little motor might be stuck. That would let in hot air form the engine compartment.
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Old 08-19-2014
Join Date: Aug 2014
Location: hialeah, florida
Posts: 5
Hi DJ Fillman, Looks like you are very knowlagable with Ford Trucks. Below is a post I put up today. Maybe you can suggest something/

Thank you.

I need some serious advise. I live in Miami, Florida. SUPER HOT & HUMMID! My A/C gave out yesterday!!!
I am a weekend mechanic and have some mechanical and electronically knowledge of repairing vehicles that I have picked up throughout the years. But this has me super puzzled. In the morning my A/C was working just fine. I disconnected my battery, changed my oil, swapped out the temperature gauge sensor on the manifold with a new one & reconnected my battery back up. Jumped in the truck, started it up to check if the temperature gauge would work now that a new sensor was installed (reason for new sensor, truck always read cold, never made it past first line). And being temperatures outside are in the high 90's this time of year, cranked on my A/C on high and only got hot air.

Okay, so if I leave A/C turned on high, turn off the vehicle and turn it back on, the compressor turns on for like 2 to 4 seconds and disengages. If I jump the compressor with power straight to the battery it engages and I have cold air. I thought it could be the low pressure sensor because I jumped the plug once and the compressor came on. So I changed it out. Nothing! So I tried to jump it again on the low pressure switch and now it has no power. I have checked all the fuses under hood and in cabin, all good. I even disconnected my battery again for 20 minutes and reconnected it thinking it might be the computer needed resetting, nothing. I bought a can of 134 and connected the hose with gauge that came with it to the low end and it read over 100. I don't know if the gauge was wrong or what. Any ideas would seriously help.

Does anyone know if it can be one of the resistors in the fuse box under the hood? And if so, how would I check them? There is two sizes. The bigger one reads, FOAB 14B192-AA 8240-2 20 2R and the smaller one reads F576-14B192-AA.

Oh yeah, one more thing, now my check engine light is one and it wont shut off.

Thanks for reading and any suggestions or info you can advise, thank you.

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Old 08-22-2014
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Join Date: May 2014
Location: Lake Mary, Florida
Posts: 349
^^^^^ Wow...thats a good way to hijack someone elses post!
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