Question about 2001 Dodge Neon

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2001 dodge neon has high ac pressure

I put freon in my ac system it ran cool for a little bit i put the gage on it and 40psi it took off and then i start and put the gage back on the gage went way pass the warning the red on the gage.

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Posted on Jan 02, 2017



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SOURCE: 2003 Dodge Ram 1500 won't start -little red light...

do the lights come on in the front if its just a little red light its possible you tripped the security on the van . or is it the batery light flashing and the battery is dead

Posted on Feb 21, 2009



  • 1 Answer

SOURCE: Dodge Ram AC not blowing cold

By pass both pressure switches one at a time with small wire or a paper clip. If comperssor kicks on replace the swich that you bypassed.
if not it could be the fan clutch ot the compressor. Compressor runs about $400.00

Posted on Jun 23, 2009


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SOURCE: 2000 dodge ram pick up - ac blows hot air and freon is good

expansion valve looks like is not openning or the capilary tube is bad

Posted on Aug 02, 2009


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SOURCE: 2005 Dodge Durango Front AC won't blow cold, back air works great

Did anyone find the answer for this?

Posted on Aug 30, 2009


  • 1 Answer

SOURCE: 2000 dodge neon high idle

you might need a new idle air control module, dont adjust your idle

Posted on Feb 20, 2010

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1 Answer

How much freon does a 97 jimmy hold

It depends on which engine and which AC system is installed, some hold as little as only 8oz., some as much as 55oz. or more. you could start with around 20psi, that's if your using a refill kit with a recharge gauge that's measured in P.S.I.'s!. Add freon while the engine is running and warmed up to full operating temp, fill through the LOW pressure port only (your refill hose adapter shouldn't fit on the high side anyway), and with the AC system turned ON, if it feels cold (35f-45f-50f with a thermometer) and your compressor clutch is spinning and isn't slugged (spinning and than not spinning than spinning again while turned on) your good, if its not cold enough keep adding by 5psi increments till you get to around 35psi to 40psi. If your slugged just let some pressure back out slowly the same way you would let air out of a tire, but don't use your finger, carefully use a long screwdriver.

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Try disconnecting battery for two minutes to reset the system. Then start the car and check a/c operation.

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Most of the time you're a little low on freon...u can get a gage and a couple cans of freon for about $50 bucks at Oriely's. Make sure you're coolant level is good too....sometimes a low coolant level can cause your AC to cool intermitantly...I've had that problem...and if you can't keep the coolant level where it needs to be without is boiling over, then you have a bad thermostat, that's just a matter of a new thermostat, 4 botls, and a new gasket...hope this helps!

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AC compressor works but cool air does not come out.

it sounds like you are low on freon. to check this you will need to follow the ac lines until you find one with a cap on it you will need to take off the cap and attach a gage that will tell you if your freon is low you can usually get a gage when you get the freon. make sure you don't over fill the system if you so the compressor still won't work and you could wreck something in the system.

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It seems that you have a leak, best bet is to bring it to someone with a set of gages to check the pressures while the ac system is operating. The high side should be about 150-200 psi and low side between 30-40psi with those numbers you should be running very cool. If its not that high then you most probably have a leak in the system most probably at one of the recently replaced parts or a new place, fill the system with a uv dye and recharge. drive for a week or two and check with a uv light.

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My ac doesnt work in my 2001 tahoe. i bought freon for it. the compressor is not kicking on when i turn the ac on, but the gage shows in the red when i hook it up to try and put freon in it. i shot a...

the a/c system needs a minimum pressure before the system will run. the system must have a leak so just buying freon may last a day or a few months depending on the size of the leak. also leaking freon into the air is ozone depleating, it should be recovered properly.

the system needs to be recoved of all freon. vacuum to -30psi held checked for leaks. (uv dye or nitrogen and soapy water). leaks fixed. vacuum to evacuate moisture and air. refilled with proper amount of freon (too much or too little make the air not as cold).

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could be your pressure switch.if to much freon was put into the system your pressure control switch will automaticlly shut down the system.try taking a little bit out at a time and see if the clutch on the ac is engaging.

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