Question about 2002 Dodge Grand Caravan

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Ac dosent cool down checked psi is really high if

Ac dosent cool down checked psi is really high if i tried to refill it dosent do anything

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  • jprosas Jun 28, 2009

    how do i do that where is the dryer located?

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Need to replace dryer and the orifce tube vachum down and recharge, you have contamination in your system.

Posted on Jun 28, 2009

  • Bruce Hathcock Jun 28, 2009

    unless you have the tools to vachum the system down you can't do it, well you could but you would have to pay a shop to vac it down are rechage it

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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3 Answers

Simple AC recharge question


Refilling a cars AC system is a specialised job and should not be handled by the owner ,you need a special machine to regas a vehicle where you drain it and measure the amount of gas in the system then add oil and leak dye then regas to the correct weight of gas.Here in europe you cannot buy a can of gas as its classed as a dangerous substance ,only a authorised garage can purchase gas in a 12kg cannister to refill the AC machine and the operator must hold a certificae to use the machine ,so to check out why and what you must take the vehicle to a authorised garage .

May 30, 2015 | 2004 Pontiac Grand Am

1 Answer

1999 Ford Ranger AC low side pressure reads 100 psi


Was the a/c compressor running when you got this reading?

Feb 03, 2012 | Ford Ranger Cars & Trucks

1 Answer

Location of ac high pressure cutout switch on a 97 Plymouth voyager. Could it be a different problem? Had to replaced the PCM and a couple sensors because of a short in the wiring cluster. Now the ac...


HIGH PRESSURE CUTOFF SWITCH LOCATED ON AC COMPRESSOR DISCHARGE LINE LEADING TO THE CONDENSOR.THE HIGH PRESSURE CUTOFF SWITCH WILL CUT OFF THE AC COMPRESSOR IF SYSTEM PRESSURE RISES TO HIGH CAUSED BY RESTRICTION IN THE REFRIGERANT CIRCUIT OR OVERHEATED CONDENSOR.MAKE SURE COOLING FAN IS RUNNING WHEN THE AC SWITCH IS ON.THE COOLING FAN KEEP CONDENSOR COOL, IF COOLING FAN DONT RUN.YOUR AC WILL STOP BLOWING COLD AIR.HAVE THE REFRIGERANT SYSTEM CHECK OUT.MAKE SURE YOUR LOW SIDE PRESSURE IS 10 - 37 PSI. THE HIGH SIDE PRESSURE SHOULD BE 112 - 210 PSI. CHECK THE AC COMPRESSOR CLUTCH FUSE AND RELAY.

Jul 29, 2011 | Plymouth Voyager Cars & Trucks

1 Answer

Air conditioner compressor runs - freon is up to proper level....not cooling??


BOTH High and low readings should be checked to have a better idea of what is going on with an AC system but based on the limited information… the compressor is not engaged or is not pumping. Below are some things I would check;

1. Check the high and low gauge readings with the AC on & set on MAX/Recirculate, middle vents with the engine at 2,000 RPM’s, blower speed on high.

2. Check the vent temperatures with a thermometer from the middle vents, far right & far left vents?

3. What is the outside temperature at the time the readings were taken?
4. Check to see if the condenser fan blowing strong?

5. Notice if compressor clutch is cylcling excessively.
Could be overcharged, not enough air going across condenser fins, compressor not pumping sufficiently… BOTH gauge readings are really needed to get a better idea.
Below are normal car AC pressure readings with 134A.

Normal readings on high and low side with AC OFF (static pressure) – Depends on outside temperature, but normally is between 80-105 PSI

Normal low side reading with AC on high speed and MAX & engine at 800-1000 RPM’s – Ranges from 25-35 PSI

Normal high side reading ranges from 200-350 PSI

Don’t assume that if adding little Freon is good that adding a lot is better! Overcharging just a little can decrease the performance of the system and possibly damage the compressor

Thank you for using fixya and good luck, keep me posted. Be glad to help you get your A/C running again soon.

Jun 12, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

AC comes on, then shuts down before car is cooled. Compressor activates and blows cool air for about 15 seconds then shuts down.


Low on R134a, you need to have the system recharged. Try to stay away from the do it your self kit that most Auto Parts store carry.
Below are normal car AC pressure readings with 134A

Normal readings on high and low side with AC OFF (static pressure) – Depends on outside temperature, but normally is between 80-105 PSI

Normal low side reading with AC on high speed and MAX & engine at 800-1000 RPM’s – Ranges from 25-35 PSI

Normal high side reading ranges from 200-350 PSI

Don’t assume that if adding little Freon is good that adding a lot is better! Overcharging just a little can decrease the performance of the system and possibly damage the compressor.

Thank you for using fixya and good luck.

http://www.freeautomechanic.com/airconditioning.html

Jun 12, 2010 | 1998 Cadillac Eldorado

1 Answer

My a.c is not cooling i put freon in and my compressor will only come on every now an then i replaced the switch in the dash but still did not help i did use a jumper wire to my compressor and it...


You may not have enough R134a in the system, or you have over charged the system and your high pressure switch is turning your compressor off when the pressure get's to high.
You really need a A/C gauge set to see of your system is over or under charge. If it's under charge, that's good. A over charged system will cause your a costly repair of replacing a $300.00 rebuilt compressor plus the vacuuming out the system and replacing the accumulator which may have parts from the compressor (bearing).
Normal readings on high and low side with AC OFF (static pressure) – Depends on outside temperature, but normally is between 80-105 PSI
Normal low side reading with AC on high speed and MAX & engine at 800-1000 RPM’s – Ranges from 25-35 PSI – Note that on many Chrysler products a normal reading on the low side may be 15-25 PSI
Normal high side reading ranges from 200-350 PSI
Could be overcharged, not enough air going across condenser fins, compressor not pumping sufficiently… BOTH gauge readings are really needed to get a better idea.
Don’t assume that if adding little Freon is good that adding a lot is better! Overcharging just a little can decrease the performance of the system and possibly damage the compressor, assuming the blower speed is on high, AC is set on maximum and engine is around 2,000 RPM’s

1. Check the high and low gauge readings with the AC on & set on MAX/Recirculate, middle vents with the engine at 2,000 RPM’s, blower speed on high.
2. Check the vent temperatures with a thermometer from the middle vents, far right & far left vents?
3. What is the outside temperature at the time the readings were taken? 4. Check to see if the condenser fan blowing strong?
5. Notice if compressor clutch is cylcling excessively.



Thank you for using fixya and good luck


Jun 12, 2010 | 1994 Toyota 4Runner

2 Answers

AC not cooling


You need to have the system vacuum evacuated, using a vacuum pump and a set of gauges, to verify that it is holding. You also must install EXACTLY the amount or refrigerant that the system calls for. Too much or too little will result in failure.

Sep 03, 2009 | 1995 Geo Prizm

2 Answers

My ac compressor on my 95 audi 90 turns on and off continually, and does not blow cold. does it just need a recharge, or could it be more?


How may miles is on the car?

Get an AC LOW SIDE psi garage and check on the LOW SIDE hose PSI.


MAKE SURE IT"S LOW SIDE.

High side can shoot up to 140 +++ PSI

BE CARE REAL CAREFUL



If it has 45+ PSI then do a charge with the auto part store R-134A kit.


If it's below 45 psi then you has a slow leak. Fill up will be last only hours or weeks.


Fix it right and be good to our environment.

Jul 15, 2009 | 1995 Chevrolet Camaro

1 Answer

AC not working


A38 psi if on the high side is not suffient. It should be from 90 to 130 psi. You must be using an auto parts store refill kit that has a guage attached to it. If so, you need to try another can. If not, you should refer the problem to a qualifed ac mechanic.Also, if you notice that the ac clutch is cycling on and off with in 10 seconds, this indicates that the systemis loww on freon.

Jun 26, 2009 | 1996 Dodge Neon

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