Question about Acura MDX

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I am having problems with my car a/c...I went to an auto shop for a refrigerant pressure check and found it was running low in pressure which then they refilled. I was not satisfied on the amount of c

My car has a history of compressor problem which was replaced to a new one, that was during the warranty period. Year 2013 the month of october or november, my a/c cooling gradually decreased until I decided to have my a/c check to an auto shop. the pressure was very low and gave a refill of refrigerant. Cooling was ok and then since during the month of december and onwards was cool, there was no need to use the a/c. And Then came March when a/c is needed, the cooling was gone, only the fan blowing is functional. And then again, the same remedy is applied. But it was only good for a month after the same remedy of refilling.

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  • Acura Master
  • 641 Answers

You got to look at the hoses, the condenser and the evaporator and make sure that they aren't leaking. Make sure that a dye is put in the system I identify leaks in the future. Also I've had a number of problems with the shradder valves leaking after servicing the system. A well sealed A/C system should not need topping off unless it's leaking at which point parts will have to be replaced and the system will have to go under vacuum to get the moisture out. Make sure no sealer is used as this will only cause further and more costly issues.

Posted on Apr 14, 2014

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6ya6ya
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Posted on Jan 02, 2017

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  • 350 Answers

SOURCE: Engine Warning light on rover 75

hi after reading your problem i gather the water pump blew you lost water the car overheated you say it had a brand new cylinder head and the cars still losing water and causing it to overheat and the garage say its the same problem as before yet they won,t do the job because it needs a bottom end ;engine block] so why when they had the head off was this not checked for level and signs of cracking . to be fair to the garage it something that is often overlooked . but that said if this is the problem that occured after three days of buying you are entitled to have the work gaurenteed for 12 months unless otherwise stated i can see there warrenty company won,t want to pay for it as they already paid the garage to do the job [CORRECTLY] the garage had no right to sell a faulty car in the first place and secondly they have been paid by your warrenty company to repair it it is not the warrentys companys fault the garage didnt do what was required in the first place but its not yours either so i would read what your warrenty agreement is and see if it states they won,t pay twice for the same job if not phone them up tell them the only reason you bought the car is because of the warrenty and it is not your fault the job was done properly in the first place and expect the car to be repaired as it should have been in the first place and its up to them and the garage to decide which one of them pays tell them what the garage mechanic said about its allright to drive and i have no idea what book tells you to ignore warning lights but should be shot then go to the garage tell them you want it putting right and you don,t care wheather its under warrenty or the garages oblgation not sell defective vechicles it is up to the garage to put it right or give you your money back if the problem arises within a reasonable amount of time usually seven days tell them to put it in writing if they refuse to do the job if they refuse get a wittness to this and tell them it needs puting right and will be taking to another garage getting it repaired and am giving you the first chance to repair it as stated in law then the bill will forwarded to them an have you took finance out on it or did you pay cash if finance phone them up tell them the problems your having and are going to stop payments until the car is fixed REMEMBER THE GARAGE DEPENDS ON THE FINANCE AND WARRENTY COMPANYS THEY WILL NOT WANT TROUBLE FROM THEM BECAUSE THEY WITH DRAW THERE BACKING THE GARAGE WON,T SELL THER CARS HENCE OUT OF WORK i bet your a newcastle supporter as well with this kind of luck if you let them get away with it your as daft as a brush find out where to report the garage i think it is the office of fair trading and if they won,t bend i will be amazed yates210456

Posted on Oct 02, 2008

psds4
  • 293 Answers

SOURCE: 1998 chev. cavalier cooling system

there should be a bleeder valve on the thermostat housing open bleeder until coolant comes out with no air and tighten top off coolant to mark on coolant jug

Posted on Oct 09, 2008

  • 59 Answers

SOURCE: heater

Likely it has more to do with the door that controlls the airflow. Which should be operated by vacum might check and make sure all thevacum lines are plugged in.

Does the gauge in the car show it warms up?

Posted on Feb 24, 2009

  • 1 Answer

SOURCE: How do I convert or fill 92 Jeep Cherokee air conditioning freon?

If it leaks 134 it will leak R-12 .I have changed hundreds of systems over to 134 without any complaints. Don't let the 94% eff rating of 134a scare you because that does not mean that your ac system will lose 6% cooling ability .A large class 8 truck or maybe a high roof van black on black and poor insulation might tax the system in the 90% range on 100 degree days but most systems never get close .
134a high side pressure will be about 18% higher so most systems you need to change the high side cutout.The R-12 electric fan switch will be ok just make sure it is engageing the fan when the pressure comes up.You must check the condensor in front of radiator to make sure air flows easily thru it.On systems where the hoses screw on each side of the dryer I replace the dryer .Drain oil from compressor and replace with 134a oil .Replace that bad valve core (with ac valve core not a tire valve) Now very very important vaccum the system and if no loss of vaccum in 20 min charge with manufactors recomended amount of oil and freon.If a system is low on freon (cycling in & out on low pressure switch) you can add a pound of charge with those small cans of same type freon no problem but when there is a leak and the charge has been lost or changing freon types you must pull a vaccum to properlly charge the system. If you just charge R-12 or 134a your system will have traped non -condensables and a large drop in cooling ability. Hope this helps. Harold

Posted on Jul 09, 2009

roniecon
  • 6927 Answers

SOURCE: Condenser Fan not working when the Air Cond is On.

There is a high pressure switch on the high side of the ac system,it most likely is bad.

Posted on Apr 06, 2010

Testimonial: "I had change the pressure switch but the problem still same"

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