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I have a dyson hot/cold, the air output does not seem to change when the speed is turned up or down. The numbers on the machine do go up or down, but the volume of air does not seem to change

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I do not believe the air volume is changeable on these in heat mode , yes u can in cool mode , but not so much in heat mode , I suspect the reason 4 this is due to specific needs of air volume nessacary for proper heater action

Posted on Dec 16, 2016

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Posted on Jan 02, 2017

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Water is over heating when air conditioner is running. Temp is fine when air conditioner is off. Changed radiator fluid and thermostat. Fan is running and water pump seems to be ok.


My suspicion is that the fans may be coming on but they are not picking up speed when you turn on the A/C. Your car would have some of relay to control the speed of the fan whenever the A/C was turned on. This relay system would also increase the speed at which the fans run when the engine heat turns them on too.

Try starting the car cold and turning on the A/C right. Even though the engine is cold the rad fan should start up when you switch on the A/C. Once the engine gets hot the fan speed should increase accordingly when you switch on the A/C.

I'm not familiar with how Chrysler makes this work so I'm unsure what to repair but this is most likely your problem. Hope this helps.

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I have a 2006 elantra and whenever i slow down or stop the needle goes into the red zone and the a/c blows hot air. when i drive faster again the needle goes back to normal and the a/c blows cold air...


your electric fan for the AC is not working for whatever reason so when idles its all getting hot the engine and the AC system .This sort of work can be difficult to diagnose correctly and a code reader is about as good as a bible at mosque so seek the advice of a skilled mechanic who should be able to pin point the fault in seconds

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Saab 95 2002 3.0l v6 turbo. when warm, starts to


Have you had your mass air meter checked or replaced? This is the unit attached to the air intake hose behind your air filter. It senses the air temperature, speed, density, etc... and adjusts the fuel/air ratio to keep the vehicle running at "peak" performance. Also, check your TPS (throttle positioning sensor) it can also cause the problem you speak of. The TPS adjusts your engine speed/idle etc. and also compensates for hot/cold changes etc. This is roughly a $35.00 part and in most cases usually an easy fix.

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This car has the automatic temperature control system


The hot/cold switch is probably bad.you have a blend door box that opens to let the cold air in and closes to let the hot air in.From what you are saying this part is no responding to the switch movement.Make sure power is at the switch and power should go through the switch when put on cold air this moves the blend door.Some times the blend door goes bad and has to be replaced its under the dash on the right side.

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A/C fan blows enough air but temperature is niether hot or cold


CHECK YOUR PRESSURE SWITCH. IT IS ON YOUR EVAPORATOR.

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A/C blows hot air intermittently


this is clear that your aux fan cooling your condensor is not working ,your a/c system is overheating and with speed you are forcing air through your condensor doing the job of the fan.

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Air won't blow hot or cold, at any speed.


on my grand, there is a variable resistor that controls fan speed. The wires feeding the resistor melted down. Turns out it was a very common problem for the year I have. I would look there first and eliminate that possibility. The power should be frigging fat wire about 8 or 10 gauge and is fed from one of your electrical junctions under the hood. The fusible links can look ok and actually be faulty, so test for the voltage and/or resistance at these points. If It is still down, and you are able to remove the fan, do a simple check to make sure its able to spin freely.

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