Question about 1994 Honda Passport

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Air conditioning and heating failure.

New air conditoning, worked a few days then failed. mechanic couldnot or would not repair. heater also will not work. is there a valve that controls the flow of water or air into cabin?

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There could be a number of reasons for the a/c failure. do this first start the vehicle and turn the a/c on full blast look to see if the a/c clutch on the compressor is spinning. it is the center part and not just the pully. keep me posted of the result

Posted on Sep 03, 2008

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Air condition


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Dec 29, 2015 | Cars & Trucks

1 Answer

Heater not blowing hot air


no year,? wow.
but is it blowing cold air. (or dead blower?) ill assume cold fast air.
ok there are only a few ways.
1: ENGINE NOT reaching, 180F temp and holding, (a meter check in 1min flat)
2; the HVAC failure.

check fuses. yet/?
does heater fail in all modes of heat and vent directions?

this sample page works on all cars.
the HVAC details vary but the principles are all the same.

http://www.fixkick.com/AirCond/heater.html

Dec 11, 2013 | Suzuki Grand Vitara Cars & Trucks

1 Answer

2003 mazda 6 heater has stopped working


Air Temperature Control Blend Door Failure No Heat or no AC (dependes on where door sticks)

In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called (interestedly enough) the air temperature control blend door actuator. The motor that moves this door fails because the door starts sticking from warping, most common complaint is no heat but it can be no AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a very expensive repair.

Other causes of no heat in the cabin are engine thermostats that are stuck open (engine runs cold) or air bubbles in the cooling system.

Dec 19, 2012 | Mazda MAZDA6 Cars & Trucks

1 Answer

Mi heater no calienta pero enfria mitsubishi montero 2001


Air Temperature Control Blend Door Failure No Heat or no AC (dependes on where door sticks)

In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called (interestedly enough) the air temperature control blend door actuator. The motor that moves this door fails because the door starts sticking from warping, most common complaint is no heat but it can be no AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a very expensive repair.

Other causes of no heat in the cabin are engine thermostats that are stuck open (engine runs cold) or air bubbles in the cooling system.

Nov 08, 2012 | Mitsubishi Cars & Trucks

2 Answers

Kicks a code P0031 HO2S Bank 1 Sen 1 low heat sen I replaced the sesor and still kicks out code. Help?


Hello,
When you do a repair yourself the ECM, ( electronic control moduel, also refered to as the computer), needs two drive cycles to recognize that the repair was made.
A drive cycle includes many of the conditions when the vehicle is in normal use. A few of the conditons are;
Starting the engine, driving at low speed, stopping, getting up to highway speed, using the turn signals, turning the engine off, and then starting the process over. The ECM will record the repair after the second drive cycle.
The alternitive would be to have a dealership use their equipment to update the ECM.

I hope this helps you, if so, please consider clicking YES to, " was this helpful ". two thumbs is a failing grade.
Thanks, Donnie.

Feb 22, 2011 | 2003 Nissan Sentra

1 Answer

Hi i havegot heater martix problem wwith my honda civc, the heat doesn't get any hot and there is water in the passenger


you might have two problems one might the thermostat and the second might be the heater core leaking causing no heat condition.but if you have air conditoning you might have a heater valve that is not working.or also the vent at the bottom of the heater box outside is plugged.

Jan 02, 2011 | Honda Civic Cars & Trucks

1 Answer

How to replace heater core leaking


These can be a real bear, often requiring removal of the dash board.
Unless you have experience with this I suggest you call around to some private, not chain, repair shops which do heating and air conditioning work on cars and get a price from them. You may save a few bucks obtaining your own new heater core from ebay, but be prepared to hear that they will not warrant the core itself.

Sep 08, 2010 | 1994 Mercury Sable

1 Answer

When I turn on the rear AC/ or Heat there is a banging noise coming from the in side passenger side wheel well. It stops when I turn the rear AC/heat off. what is causing this and how do I stop it?


Sounds like you may be having an air conditioning compressor mechanical failure. I would suggest seeing a mechanic soon before it locks up the belt if the bearings fail in it.

May 06, 2010 | 2004 Ford Expedition

2 Answers

Need instruction on installing heater core for 2000 jeep cherokee




The heater-A/C housing assembly must be removed from the vehicle and the two halves of the housing separated for service access of the heater core, evaporator coil, blend-air door, and each of the various mode control doors.

WARNING: On vehicles equipped with airbags, refer to Airbag Systems Safety Information and Procedures. Before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Failure to take the proper precautions could result in accidental airbag deployment and possible personal injury. See: Restraint Systems\Air Bag Systems\Service Precautions

REMOVAL
  1. Disconnect and isolate the battery negative cable.
  2. Remove the instrument panel from the vehicle. Refer to: Body and Frame, Interior Trim, Dashboard / Instrument Panel, Service and Repair, Instrument Panel Service Procedures, Instrument Panel Assembly Replacement, See: Body and Frame\Interior Moulding / Trim\Dashboard / Instrument Panel\Service and Repair\Instrument Panel Assembly
  3. If the vehicle is not equipped with air conditioning, go to Step 6. If the vehicle is equipped with air conditioning, recover the refrigerant from the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Procedures, Refrigerant System Recovery, See: Service and Repair\Refrigerant System Recovery
  4. Disconnect the liquid line refrigerant line fitting from the evaporator inlet tube.
    • Install plugs in, or tape over all of the opened refrigerant line fittings.
  1. Disconnect the accumulator inlet tube refrigerant line fitting from the evaporator outlet tube. See Refrigerant Line Coupler for the procedures.
    • Install plugs in, or tape over all of the opened refrigerant line fittings.
  1. Drain the engine cooling system.
  2. Disconnect the heater hoses from the heater core tubes. Install plugs in, or tape over the opened heater core tubes.
  3. Unplug the heater-A/C system vacuum supply line connector from the tee fitting near the heater core tubes.
  4. Unplug the heater-A/C unit wire harness connector, which is fastened to the heater-A/C housing next to the blower motor relay.
    1. Remove the five nuts from the heater-A/C housing mounting studs on the engine compartment side of the dash panel. Remove or reposition the evaporation canister for additional access, if required.
    2. Pull the heater-A/C housing rearward far enough for the mounting studs and the evaporator condensate drain tube to clear the dash panel holes.
    3. Remove the heater-A/C housing from the vehicle.
    INSTALLATION
    1. Position the heater-A/C housing to the dash panel. Be certain that the evaporator condensate drain tube and the housing mounting studs are inserted into their correct mounting holes.
    2. Install and tighten the five nuts onto the heater-A/C housing mounting studs on the engine compartment side of the dash panel. Tighten the nuts to 6.2 Nm (55 in. lbs.) .
    3. If the evaporation canister was repositioned during the removal procedure, reinstall it to its proper position.
    4. Connect the Heater-A/C system vacuum supply line connector to the tee fitting near the heater core tubes.
    5. Unplug or remove the tape from the heater core tubes. Connect the heater hoses to the heater core tubes and fill the engine cooling system.
    6. If the vehicle is not equipped with air conditioning, go to Step 10. If the vehicle is equipped with air conditioning, unplug or remove the tape from the accumulator inlet tube and the evaporator outlet tube fittings. Connect the accumulator inlet tube coupler to the evaporator outlet tube.
    7. Unplug or remove the tape from the liquid line and the evaporator inlet tube fittings. Connect the liquid line coupler to the evaporator inlet tube.
    8. Evacuate the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Procedures, Refrigerant System Evacuate, See: Service and Repair\Refrigerant System Evacuate
    9. Charge the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Procedures, Refrigerant System Charge, See: Service and Repair\Refrigerant System Charge
    10. Install the instrument panel in the vehicle. Refer to: Body and Frame, Interior Trim, Dashboard / Instrument Panel, Service and Repair, Instrument Panel Service Procedures, Instrument Panel Assembly Replacement, See: Body and Frame\Interior Moulding / Trim\Dashboard / Instrument Panel\Service and Repair\Instrument Panel Assembly
    11. Connect the battery negative cable.
    12. Start the engine and check for proper operation of the heating and air conditioning systems.
REMOVAL AND INSTALLATION

WARNING: On vehicles equipped with airbags, refer to Airbag Systems Safety Information and Procedures. Before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Failure to take the proper precautions could result in accidental airbag deployment and possible personal injury. See: Restraint Systems\Air Bag Systems\Service Precautions

  1. Remove and disassemble the heater-A/C housing. Refer to: Heating and Air Conditioning, Housing Assembly HVAC, Service and Repair, See: Heating and Air Conditioning\Housing Assembly HVAC\Service and Repair
  2. Lift the heater core out of the lower half of the heater-A/C housing.
  3. Reverse the removal procedures to install. Be certain that the heater core foam insulator is reinstalled

Jan 18, 2009 | 2000 Jeep Grand Cherokee

1 Answer

Air conditioning problem


in most instances when you open an a/c system you must also make sure that it's not only charged properly, but you also have to replace the dryer. moisture in an a/c system is the enemy and when you open the system. the moisture get's in there and plugs the dryer causing a blockage. hence why it only works for a few minutes.

Aug 28, 2008 | 1995 Toyota Camry

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