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Eck
Official CCB Member
Joined: Thu Oct 25, 2012 9:33 pm
Posts: 2460
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 95 F150 A/C not working I’ve checked fuses and they are good. Blower works but it blows hot air. Anyone know what steps to take to check for why the A/C doesn’t work?
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69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274
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| Fri Jun 08, 2018 1:31 pm |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am
Posts: 768
Location: The MHC
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Re: 95 F150 A/C not working No freon?
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Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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| Fri Jun 08, 2018 1:36 pm |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm
Posts: 1485
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Re: 95 F150 A/C not working My guess is the compressor isn't turning. Could be clutch problem or no current to activate it. No current could be due to low pressure in the system. There is a pressure switch that will allow the compressor to run only if there is good pressure in the system. That switch could be bad or you may have a small leak.
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| Fri Jun 08, 2018 1:40 pm |
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Eck
Official CCB Member
Joined: Thu Oct 25, 2012 9:33 pm
Posts: 2460
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Re: 95 F150 A/C not working
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69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274
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| Fri Jun 08, 2018 1:45 pm |
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horseplay
Official CCB Member
Joined: Mon Jan 21, 2013 8:24 pm
Posts: 408
Location: Grand Junction CO
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Re: 95 F150 A/C not working hey Mike like they are saying you need to verify that you have a proper charge in the system a start working out from there.
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| Fri Jun 08, 2018 1:47 pm |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm
Posts: 1485
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Re: 95 F150 A/C not working
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| Fri Jun 08, 2018 1:53 pm |
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Strike2
Joined: Mon Nov 28, 2016 11:34 am
Posts: 808
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Re: 95 F150 A/C not working I've disconnected the lo pressure harness the turn the engine and a/c on and using a jumper wire (briefly) jumper the harness just to see if the compressor starts more than likely you have low Freon if the compressor starts. Good Luck Vipers way is probably more sensible (but then I would have to put my  down to use a multimeter)
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| Fri Jun 08, 2018 1:54 pm |
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Eck
Official CCB Member
Joined: Thu Oct 25, 2012 9:33 pm
Posts: 2460
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Re: 95 F150 A/C not working Tried to jump the switch and I can’t tell if the compressor is kicking on. Air definitely wasn’t getting colder. My multi-meter is dead and I don’t have a battery for it so couldn’t check voltage to the switch.
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69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274
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| Fri Jun 08, 2018 2:19 pm |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am
Posts: 768
Location: The MHC
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Re: 95 F150 A/C not working
_________________
Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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| Fri Jun 08, 2018 2:47 pm |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm
Posts: 1276
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Re: 95 F150 A/C not working You can see whether it is turning or not. The inside of the pulley does not rotate when A/C is not cycling.
Center of pulley should cycle on and off with A/C on.
I would guess you have a leak and have lost enough freon that the low pressure switch will not let the comp engage.
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Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc.
Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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| Sat Jun 09, 2018 8:07 pm |
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