Question about 2006 Volkswagen Touareg

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Refrigeration schematics A/C is not getting cold just after fitting new internal fan and air quality sensor

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Have you checked on your refergerant ?

Posted on Oct 20, 2013


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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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My air is not all that cold and when I am stop at a red light it blows warm air it has plenty of Freon in it. What could it be?

If the air is cold when the vehicle is moving and goes warm when stopped,the fan at the rad/condenser may not be working,or working but not running fast enough.Sometimes there may be a second fan that comes on also.If the fan/fans are running and you can get cold air at a stop by increasing rpm then the system may be low on refrigerant.

Jul 09, 2017 | Cars & Trucks

1 Answer

Halo there n overheating problem on my 200sx det i have replaced the moter replaced the radiator to n twin core new water pump new thermostat and i fitted 2 12' electric fans i drive about 15min and it...

When the car overheats be sure to check all pipes are hot if some pipes are cold there might be a air lock which stops the circulation are the car heaters blowing hot air ?if the rad ain't hot then those fans not going to do much good if everything is hot are the fans working ? Is it a faulty reading from the engine coolant sensor ? And don't rule out faulty new stuff I've had lots of faulty new stuff remove the thermostat to rule that out .

Feb 08, 2015 | Cars & Trucks

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A/C re-gassed and still does not work ?

You first have to be sure that they have charged the system with the correct amount of refrigerant, not too much, not too little. -2) Refrigerant level could be just right, but if Radiator cooling fans are not working at full speed, a/c won't get cold. -3) a/c condenser [the thin radiator in front of the Radiator] has to get good air flow through it to cool the refrigerant & bring the pressure down.. check for blockage of air flow there.-4) if al else fails, have refrigerant drawn out, evacuate system to -25 psi vacuum for 45 min. then recharge system to proper level by volume in lbs. & oz's., not just psi. pressure. This will ensure correct refrigerant level for optimum refrigeration.

Aug 09, 2012 | Cars & Trucks

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I over heated the engine.I had the cylinder head removed and reconditioned, pressure tested, new rings,new fan censer fitted. header tank replaced etc.(no evidence of blowen gasket) Now after about 20 to...

If this ever happens again turn the internal heater to full, it helps in the cooling. When filling the engine with coolant the heater should be on full. As the engine warms squeeze the top radiator hose regularly to encourage air bubbles to shift to the expansion tank. If the coolant level looks low after the engine has been brought to full running temperature and air has been purged from the system then top up with additional coolant. Note that the signal to run the fan is sent by the coolant sensor, if the coolant is low the sensor cannot function. Check your engine error codes, sometimes if the coolant sensor cannot detect normal running temperature (perhaps due to low coolant level) the engine is unable to enter closed cycle mode and reports p0125. Closed cycle is the normal running state of an engine at normal running temperature; open cycle denotes the times when the engine is cold such as at start up or when the engine is under load such as when accelerating hard.

Apr 03, 2011 | Volkswagen Microbus Cars & Trucks

1 Answer

Replacing temp sensor

Intake Air Temperature Sensor Operation The Intake Air Temperature (IAT) sensor is a variable temperature sensitive resistor. Sensor resistance will change based on air temperature. The higher the temperature, the lower the resistance. The Engine Management System (EMS) provides a reference voltage and monitors the voltage drop between a fixed value internal resistance and the sensor resistance. This is called a voltage divider circuit.
IAT sensor values are used by the EMS to assist with the calculation of idle speed, fuel mixture and spark advance.
Inaccurate voltages from the IAT sensor may affect pulse-width, idle quality and tail pipe emissions. Intermittent signals may cause hesitation, stumble and surging. If an IAT sensor failure accompanies an Engine Coolant Temperature (ECT) sensor failure cooling fan operation may also be affected.
Some manufacturers' incorporate the Intake Air Temperature (IAT) sensor as part of the Mass Air Flow (MAF) sensor, or air flow meter. Refer to current service information for specific applications.
Related Symptoms The following symptoms can be caused by a faulty IAT sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit.
  • Extended crank time when the engine is cold
  • Poor fuel economy
  • Spark knock

Jul 16, 2010 | 1996 GMC Safari

1 Answer

2000 neon air conditioning electrical problem

You either have a bad refrigerant pressure sensor or a low refrigerant level.

May 30, 2010 | 2000 Dodge Neon

1 Answer

1992 Geo Prizm/Corolla 1.6 L 120k mi, Fan 1 intermittent

what is the problem?
is your car overheating?

Apr 28, 2010 | 1992 Toyota Corolla

1 Answer

Air conditioning low pressure sensor

find the sensor that is plugged into the accumulator on passenger side normally it Will have two wires the dryer will be silver or aluminum colored unhook the connector put a paper clip in the connector if the compressor comes on then you have it, Warning if low on refrigerant you can damage the compressor if on for a long period of time, check to see if AC gets cold turn it on to Max AC fan full blast and see it it's cold, if it is the switch is bad, if it does not get cold then it needs to be serviced.

Jun 25, 2009 | 2001 Chevrolet Malibu

2 Answers

2000 jeep cherokee

i think the refrigerant u added is not of spreme quality.

i think that may be the fault.

Jun 16, 2008 | 2000 Jeep Cherokee

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