Question about 1999 Jeep Cherokee

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Aircondition need to add 134a have all the connections need to know where to connect.Also check engine lite is on how to check

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If you use a 134 hose it only fits on one of the fitting and to know why your check engine light is on you must have diagnose with a scan tool

Posted on Jul 20, 2009

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Check engine light you need to take it to a shop where they have a computer that will give you an error code once you connect it

Posted on Jul 20, 2009

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1 Answer

Air condition blows hot air I bought a can with a gauge to boost it but I don't know where my air conditioner compressor is ?


You don't need teh compressor, you need the low pressure line for the Air Conditioner. here's the good news, that connector will only go on 1 side so you really don't have to worry about connecting to the wrong line. Normally you can find both lines on the passenger side of the vehicle in the engine compartment, there are 2 metal lines that go back to the firewall on the vehicle, one is small and one is slightly larger. The line you want is the smaller of the two, there should be a connector on it to connect your can and gauge to, normally it has a plastic cap over it. Remove the cap and with the engine running and Airconditioning controls set to Maximum connect your line to the connector check teh pressure reading and compare that to the information provided on the can of fluid you have then add fluid until you have the proper level. If your compressor is kicking in and out constantly add fluid till it kicks in and stays engaged then check the level to make sure you do not have it over full. If you over fill the system it will blow a seal and you'll have a major repair to do so be careful.

Jun 18, 2011 | 2003 Chevrolet Impala

1 Answer

I have a 92 honda accord and i changed my ac from R12 to 134a... I do not know where to add freon at in my car... HELP PLEASE


low pressure intake ,their is a kit that has the adaptors inside for the R134 ,connect to inlet side of the compressor then start engine and turn AC on and then let the gas in as the compressor will **** the gas in .Do not overfill as this will cause the engine to overload and it will keep cutting in and losing power on the engine ,like driving with square wheels

Apr 19, 2011 | 1992 Honda Accord

1 Answer

A/c not working blows hot air add 134a need help 99 f150 4.2 v6


Before you add freon to measure how much freon is clucht checks if the compressor is activated when you connect the air conditioner if the clucht not activated and have a good pressure in the system looks at low pressure switch that goes in the drier and that very often these are damaged, you also have to check the fuse and relay the compresor.Thanks

Mar 28, 2010 | 2004 Ford F150

1 Answer

The A/C is blowing warm air? What is the factory refrigerent? Can I easily change to the new 134a?


check the service ports if they are screw type it is r 12 if they are quick connect type it is 134a yes you canconvert it i do it all the time
go to autozone or oreillys and get a retro kit (a little box of fittings) about $7 3 cans 134a and ester oil vacuum system down with pump for 30 min add 2 oz oil and 2 1/2 cans 134a.

Jul 03, 2009 | 1994 GMC Jimmy

1 Answer

I want to add refrigerant to my Toyota Corolla 1996 but I do not know where the A/C is located where I can connect the coupler to the ac port.


standing in front of the car, look towards the left side (passenger side) of the engine bay. You will find something that looks like an air pressure valve (this is much like you'd find on your car tire). One cap is marked with H (this is the high valve) follow this towards the firewall and you will see another one marked L. this is where you'll need to connect your 134a to. DO NOT over fill!!! watch the gauge and follow instructions carefully. Good luck!!

Jun 14, 2009 | 2006 Toyota Corolla

1 Answer

Air Conditioning


#1 you will need r134a freon. #2 the low side service port is located right at the firewall where tha line goes to the evaporator. #3 if wou bought a can of 134a freon with a hose that will hook to it, it will work. all service fittings for 134a freon are the same even though the high side and the low side will always differ

Aug 18, 2008 | 1998 Oldsmobile Cutlass

1 Answer

Location of low pressure port A/c to added 134a


Down low between the radiator and the engine. Look for the cap. Very hard to reach without burning your hand if the engine is hot. I had to rig a much longer hose to add 134a so the can would be upright while putting it in.

Jul 28, 2008 | 2002 Chevrolet Venture Passanger

1 Answer

Air Conditioning Low Pressure Line


The high pressure one is the closest to the A/C compressor. Therefore the one near the firewall would be the low pressure (behind the engine)

Why do u wanna know this since u can't fill it up urself?

Jun 19, 2008 | 1997 Plymouth Breeze

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