Question about 1997 Dodge Grand Caravan

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Compressor on 96 dodge caravan will not start even after charging system with freon. does computer have to be reset

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Check for bad fuse under hood. also check for ac relay issue. also under hood . you will find a power dis. center under the hood. (just like a fuse panel)the system does use pressure switches, but check the fuse and relay first. if you have power and ground at the compressor and it does not engage, then the ac clutch is bad. you can check that at the two wires at ac compressor w/ a test light.

Posted on Aug 20, 2010

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99 Dodge Grande Caravan the A/C blows hot air and a hissing sound under dash


Well the hissing sound could be a vac leak or the freon flowing thru the system.
Someone needs to check the freon charge in the system with a gauge and the electrical circuit to the compressor clutch.

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HI there #1 before you put freon in did use a vacuum pump and pull too the right vacuum
specification if not you have air in the system.
#2 if you put 4 cans of freon you over charged the system must vehicles a/c systems use 1lp 5oz
you must remove freon first and use vacuum pump and put system in vacuum for abut 1hour
too mack shore system is air and muster free.
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good luck

ziggyone

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1 Answer

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do you have freon in it yet,it will not have voltage untill freon in it because of the low preasure switch, because it trying to protect your compressor,even if you have some it may not be enough,I hope this helps you

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1 Answer

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2 Answers

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A couple of ways to find out what, exactly, is wrong. One start your van and look under the hood. If you turn you A/C both pullies on your Compressor should be turning. If they are your second option lies in the systems charge. If you locate the aluminum lines for your A/C system you can unscrew the cap and push the valve down (Very gently) with a screwdriver or even a nail. If nothing comes out you need to buy R-134 Freon and charge your system. Hope this helps.

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1 Answer

Air Conditioniong not working


U may be low in Freon gas.
When Freon is low there's low pressure switch that will prevent A/C compressor clutch from engaging to protect it from failure.
So, first check Freon pressure & any leaks form lines & hoses fittings.
Even if the fan is working, that doesn’t indicate proper compressor OP'S.
Look at the compressor front side you'll see the clutch stationary while the AFT pulley moving.

Then put air-condition compressor switch to ON (Engage),
You should see the clutch engage & start rotate,
If NOT, this is very clear indication u r low in Freon.

Regards;
MAR

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I have 96 dodge caravan and I need to disable the alarm system too and I don't know how!

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