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Au heater valve tap replacement - Fairmont Ford Cars & Trucks

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Please help... my heater will not work in my vt commodore. Where is the fuse for this please?


i own a VT commodore

no fuse vacuum driven
heater tap is in the engine bay drivers side


take time to join just commodores forum
http://forums.justcommodores.com.au


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May 28, 2016 | Holden VT Cars & Trucks

1 Answer

No heat but fan is blowing thermostat is good, what to look for?


Assume this is about the heater , rather than engine temperature generally. I would look to see if the temperature knob causes a change in the heater tap valve. If the heater tap valve operates and you can feel heat either side of it when the engine is warmed up , then you may have a blocked heater core.

Jan 20, 2016 | Cars & Trucks

2 Answers

2005 gmc savanna van...cooling system will not blow hot heat. water pump,heater core,radaitor and thrmostate replaced. is there any electrical problems/


don't know this van specifically, but some things to check, make sure cabin filter is replaced or clean, you didn't say if the blower itself works, if not, correct or replace. Check the hoses going to the heater core, if hot water is flowing thru the core, both hoses should be hot. Check the heater controls to make sure doors in the system are opening closing as they should, you may just be drawing in cold air and not going thru the heater core.

Feb 11, 2015 | 2005 GMC Savana

1 Answer

Hot air coming out left window vent with air conditioner on


heater control valve probably stuck ,locate it under hood right rear(heater hoses will be connected to it.) tap on it with air con. on and eng. running. if this fixes problem,valve will have4 to be replaced.

Aug 23, 2013 | 1998 Mercedes-Benz E-Class

1 Answer

EF 1995 Falcon Fairmount. The heating system does not work?


How clean is the cooling system water?
When was the last time the cooling system was cleaned out?
Check to see if the heater tap is switching on and off, you will find the tap under the rear of the inlet manifold, it will be in the middle of one of the black rubber heater hoses, there will be or at least should be a small black rubber vacuum line running to it as well.
Here is a link to picture of what your heater tap should look like.
http://www.google.com.au/imgres?q=ford+falcon+heater+tap&hl=en&client=firefox-a&hs=PdD&sa=X&rls=org.mozilla:en-US:official&tbm=isch&prmd=ivns&tbnid=y7cu6w0pM9baoM:&imgrefurl=http://automotivepartswarehouse.com.au/popup_image.php%253FpID%253D183&docid=wTtg2uA1qoPqVM&w=336&h=427&ei=gO8sTpHeMtGgmQWxmPG5Dw&zoom=1&biw=1280&bih=873

Jul 23, 2011 | Ford Fairmont Cars & Trucks

2 Answers

In my ford econoline my heater is not working .i replsce the heater core, termostat,tempsensor, heater relay,heater valve and it still not blowing any heat please tell me what the problem could be.


have you checked the heater tap as in when you turn to hot on the dash the tap opens and allows the heated water to pass thru you rheater core?

Dec 31, 2010 | 1998 Ford Econoline

1 Answer

2003 Explorer XLT 137k. Heater not working in front. Rear heaters working well. A/C working well in all of vehicle.


Yo need to inspect the heater control valve. You can tap on it with a blunt object. These valves like to get stuck shut or open. If you tap on it and your system operates correctly you need to replace valve as this is only a temporary fix

Oct 21, 2010 | 2003 Ford Explorer

1 Answer

How to replace a heater core


Heater Core Removal & Installation Front To Remove:
  1. Make sure you have the anti-theft codes for the audio and the navigation system, and then write down the audio presets.
  2. Disconnect the negative cable from the battery.
  3. From under the hood, disconnect the heater valve cable from the heater valve. Turn the heater valve arm to the fully opened position.
  4. When the engine is cool, drain the engine coolant from the radiator.
  5. Disconnect the inlet heater hose and the outlet heater hose from the heater core.
  6. Remove the mounting nut from the heater unit. Take care not to damage or bend the fuel lines, the brake lines, and related parts.
  7. Remove the dashboard.
  8. Remove the evaporator.
  9. Remove the mounting bolts and remove the heater unit. Front heater unit honda-10-00-4128.gif

  10. Remove the self-tapping screws and the clamp.
  11. Carefully pull out the heater core so you don't bend the inlet and outlet pipes.
Front heater core honda-10-00-4129.gif

To Install:
  1. Using care, install the heater core to the heater unit and secure.
  2. Using care, install the heater unit and tighten mounting nuts and bolts to 7 ft-lb (10 Nm).
  3. Install the evaporator.
  4. Install the dashboard.
  5. Connect the inlet heater hose and the outlet heater hose to the heater core.
  6. Connect the heater valve cable to the heater valve.
  7. Refill the cooling system with engine coolant.
  8. Adjust the heater valve cable.
  9. Make sure that there is no coolant leakage.
  10. Make sure that there is no air leakage.
  11. Connect the negative battery cable.
  12. Perform the power window control unit resetting procedure.
  13. Enter the anti-theft codes for the audio and the navigation system, and then enter the audio presets.
Rear To Remove:
NOTE: The rear blower motor, the rear heater core, the blower screen, the rear blower resistor (heating/air conditioning system) and the rear power transistor (climate control system), the rear air mix control motor (climate control system) , the rear mode control motor and the rear expansion valve can be replaced without removing the rear heater-A/C unit.
  1. Remove the self-tapping screws and the clamp, and then remove the bolts and the rear evaporator lines with the rear expansion valve. If necessary, remove the rear expansion valve. Use a second wrench to hold the other fitting on the valve so the rear evaporator lines won't twist. Leave the first fitting loosely connected so you can use it to hold the valve while you loosen the second fitting.
  2. Remove the rear heater hoses.
  3. If necessary, remove the rear blower motor, the rear heater core, the blower screen, the rear blower resistor (heating/air conditioning system), the rear power transistor (climate control system), the rear air mix control motor and the rear mode control motor.
  4. Remove the self-tapping screws and the lower housing.
  5. Remove the self-tapping screws, and carefully separate the left upper housing from the right upper housing. Remove the rear heater core.
Rear evaporator assembly honda-10-00-4116.gif

To Install:
  1. Replace the rear heater core.
  2. Attach the heater hoses.
  3. Make sure no air is leaking from the left upper housing and the right upper housing fitting and from the upper housings and the lower housing fitting.
  4. Before reassembly, make sure that the rear air mix control linkage and door move smoothly without binding.
  5. Before reassembly, make sure that the rear mode control linkage and door move smoothly without binding.
  6. Reassemble the housing.
  7. After reassembly, make sure the rear air mix control motor runs smoothly.
  8. After reassembly, make sure the rear mode control motor runs smoothly.
  9. Refill the cooling system and make sure that there is no coolant leakage.
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Oct 16, 2010 | 2005 Honda Pilot

1 Answer

All of a sudden, my 2004 Ford Taurus heater control doesn't work. Hot air ALWAYS comes out, no matter where the temp control is set. Even if set in AC mode the air is VERY HOT! Help!


The valve (called the heater tap) which controls the hot water flow works from engine vacuum. The climate control unit turns vacuum on to close the valve and turns vacuum off to open it, if the vacuum tubing or vacuum service valve has failed, the tap will be open allowing hot water to flow. The same result applies if the heater valve itself has failed (which they do --regularly) Trace the water hoses from the enginebay firewall under the hood and you should find the valve. Check for cavuum at the valve with the climate control set to its coldest setting. If you have vacuum at the valve, replace the valve. No vacuum points to the loss of vacuum source or a faulty vacuum service valve with will be electrically operated from the climate control. Trace the vacuum hose from the heater valve back to the vacuum service valve and check if the valve has vacuum supplied to it. No vacuum means a vacuum hose has blocked, has a hole in it or has been removed from the manifold. If the electrical valve has vacuum, check for power. If power is present but still no vacuum at the heater tap, replace the service valve. If power missing, check fuses. If both wires to the valve show power present, have the climate controll unit checked by a professional..

Oct 31, 2009 | Ford Taurus Cars & Trucks

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