Question about 1995 Ford Explorer

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I have a 95 fd explorer.the car would die if a/c was turned on so i just replaced the compressor and filled with 134a.the car stays on but the ac does not. the clutch is not cutting in at all. pleeze help its getting hot and humid

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  1. Charge should be 26.0Z of 134A
  2. PAG-46 Oil 7.0Z
Any less and it's under charged and will not engage.

Posted on May 10, 2009

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Im working on a1988 Cadilac deville , replaced ac compressor , accumlator , orfus tube . i also vaccumed the system , reset computer . started car filled with 134a . worked fine till i drove for bout 1mi ....


Your have a low refrigerant level. Econ staying on and service ac will stay on too. Sounds like you didnt put enough r134a in the system. How much r134a did you add? Capacity is 38 ounces(thats
with R12), and a bit less than that for r134a.

Aug 10, 2011 | 1988 Cadillac Sedan DeVille

1 Answer

How do you add the 134a to a 1997 chevrolet lumina?


Go to wal mart $6.00 a 12 oz can,may need 2 cans. Car owners manual will tell capacity in oz of AC system never charge over that amount into your system, also PSI and ounces are not the same thing

Go to auto parts store buy R-134a charging hose kit with a gage built in.$ 10.00

Turn engine OFF Under the engine hood, is a large aluminum cannister usually on passengers side ,on it or on a hose coming out of it will be a black plastic cap,with a connect fitting under, remove cap, pull and hold back the locking ring on the charging connector and push on fitting. look at gage it will show how much freon pressure is in system, with engine and ac off a higher pressure value will be on gage Start engine and turn ac on cooldest and fan high. The pressure will drop. if the pressure drops below about 22 PSI the ac compressor will stop automatic by the low pressure cut out switch.then the pressure will build above 25 and the compressor will engage again, this is short cycling(no/off) on the low pressure sensor and is a good indicator of a low charge of refigerant(R-134a). Charge according to instructions on kit. When the pressure stays above 28 and the compressor stops cycling off your good DO NOT over charge or you can cause compressor slugging. Liquid into compressor($1200.00 for new compressor)
SAFETY!!!!
R-134a can cause blindness. wear goggles and gloves

The "O" ring seals in the ac system dry out when the ac is not in use for over a month and leak the refigerant out again, So Use your defrost setting in the winter because it runs the ac compressor for dehumidifying, but only after the engine has warmed up a little, or with no warmth from engine the defrost will blow freezing air.

Patrick Mot

Feb 11, 2011 | 1997 Chevrolet Lumina

1 Answer

Air compressor wont come on to to put in 134a


The AC compressor does not have to be running to charge the AC system, and the low pressure switch will even prevent the AC compressor from operating until there is sufficient pressure to operate the AC compressor without damaging it.

Start the engine and turn on the AC, then charge the system with the R-134a and as soon as there is enough pressure built up to trip the low pressure switch off, the AC compressor clutch should then engage and then finish charging the AC system.

May 31, 2010 | 1997 Cadillac DeVille

1 Answer

I need to retrofit and recharge my 1988 Dodge Ram Ac.


First, the old R-12 must be completely evacuated fromt the system. R-12 and R-134A do not mix and won't function together. Once you are sure there's no R-12 left in the system, you need to install an R-134A fill valve on the low side AC line. This is where your refill hose will connect to add R-134A. Once the valve is in place you're ready to fill the system. The compressor requires a minimum of 20psi to engage and should not be filled to more than 45psi.

RECHARGING AC SYSTEM

1.Turn the truck on and turn AC on HIGH
2.Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
3.Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
4.Insert the other end of the refill hose to the low side valve
5.Puncture the R-134A can with the screw on the refill hose
6.You should feel the system suction the refrigerant out of the can
7.Check for frost on the AC lines and the air blowing inside the truck
8.If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective
Hopefully this answers your question and you're able to get your AC working again. Best of luck.

Jul 21, 2009 | Dodge Ram 150 Cars & Trucks

2 Answers

2003 dodge grand caravan ac recharge


you should be adding the 134a to the system the low pressure switch is doing its job by not allowing the compressor to kick on, it wont kick on until there is enough 134a in the system to be above the preset pressure for the low pressure switch.

Jun 27, 2009 | 2003 Dodge Grand Caravan AWD

1 Answer

How do I charge the ac system on my 1993 Ford Explorer. Where's the low pressure port?


the ac system should be a 134a system and the low side is on the fater hose than the other coming off the compressor .it will have a blue cap on it.and it just screws of.go to the parts house and get a refill kit for the system it should have a fill hose and gauge on it .you want to fill untill the compressor stops cycleing on and off and when it starts blowing cold then stop filling and take off the fill hose.it will pop just a little so dont be scared.just lift the collar and pull.then put the cap on and enjoy.
hope this helps
jm

Jun 14, 2009 | 1994 Ford Explorer Limited

1 Answer

Air conditioning system is not colling the car ? what do Ineed to do ?


i need to know how is not cooling the car?
is the fan blowing air or is the blowing air not cold?
it probably isnt cold.lets try that.
put a set of 134a ac gauges on the system and verify pressures.if it has low freon you may hear the compressor turning on and off.if so for sure its low and you will just need to add freon.
go get a 134a fron fill kit not the conversion kit.
and begin to fill untill the comp stays on and air is blowing cold.then stop filling and enjoy.
do not over fill as this will cause it to not cool again.

Jun 12, 2009 | 2002 Toyota Camry

1 Answer

Dont know how to turn my air conditioner on in my.I


Your car has climate control. If the Ac isn't turning on at all, it's most likely low on refrigerant (R-134A). Below is a link on how to check/fill AC systems with refrigerant. Otherwise, the car should be serviced by a qualified AC shop. Hope this answers your question. All the best!
Greg
http://www.cyberbright.com/autobin/air_conditioning.htm

Jun 03, 2009 | 1995 Cadillac DeVille

1 Answer

97 aurora AC not working


GM products have a safety feature which shuts down compressors is they run too low on refrigerant. Honestly surprised you were able to fill the system with refrigerant since the compressor would have shut off. The best way to reset the compressor is to disconnect the negative battery cable for 15 min. After reconnecting, the compressor should function again assuming there's enough R-134A in it. If there's not, turn the AC to MAX and add the refrigerant. At this point, the system should actually **** the can dry. Hope this helps with your AC problem. All the best!
Greg

May 20, 2009 | 1997 Oldsmobile Aurora

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