![]() If any numbers are displayed, write them down. Let the test run.it will last about 30-45 seconds. Press the OFF and DEFROST buttons simultaneously, then release and press the AUTO button within two seconds. I am GUESSING the same test works on 03-05's.-To test the A/C on your car do this to the A/C panel: Next step, find out where I can get a Water Control Valve and either find a reasonably priced mechanic or get out the directions found in this forum and try to do it myself.Īnother said: Try the self-check feature on the A/C. It appears the dealers assessment that I needed a new AC pump was incorrect. I clamped off the heater hose and guess what, one side of my vents blew cold air. One owner says: Hi Guys, just a follow up on the AC issue. Lets get you some more data I found from others: To install reverse the removal procedure. Remove the electrical connector, pushing the red clip upwards then using a screw driver to remove from the control valve.ġ2. Remove the dual coolant control valve.ġ1. It will be easier if you have a very long extension.ġ0. Remove the dual coolant control valve bolt with an 8 mm socket. Position bothe heater core hoses backwards to prevent further leaking of coolant and to get them out of your way.ĩ. ![]() Release the RH heater hose clamp and disconnect the hose. Make sure you move the drip pan under this location to catch coolant running out from the hose.Ĩ. Release the LH heater hose clamp and disconnect the hose. You can then rotate the upper radiator hose backwards out of your way.ħ. It is easier to remove this hose from the control valve after you remove it from the vehicle, then attach to the new control valve. Release the hose clamp and disconnect the hose that runs from the control valve to the upper radiator hose, where it attachs to the upper radiator hose. Release the clamp and disconnect the upper radiator hose.Ħ. Remove the top of the air cleaner box and then pull the clean air system out.ĥ. ![]() You will need to loosen the screw bracket for the air tube attached at the throttle body. Using an 11mm socket for the nut on the far left side of the air system. I found it easier to remove the total air box system. Remove the engine air cleaner outlet tube. Make sure you have a good sized drain pan to catch the coolant in as it will deflect off a few item on the way into the pan.Ĥ. Take an adjustable wrench or pliers along to loosen the draincock. You will find a coolant draincock on the bottom passenger side of the radiator. You will need to remove the plastic shielding under the vehicle using a 5.5 mm socket.ģ. You will need to get the vehicle up on ramps in order to drain the coolant.Ģ. The part number is : YG378 -Order through : List Price : $155.54 Their price : $91.61 w/shipping & handling $102.56ġ. The diagnosis is : Defective Dual Coolant Flow Valve The symptoms were : Only hot air coming from any vents regardless of heat or a/c setting. This is the procedure and info for repairing a heat- a/c problem on your Bird. When they malfunction you will get only HOT air blowing from your vents regardless of which temp you set, whether A/C is on, or where you direct the air to come from. If you can use a wrench and remove hose clamps, you're ready.īTW:The coolant control valve has two electronic actuators that divert the coolant in the appropriate manner. I would rate the difficulty level on a scale of 1-10 as a 4. Total cost for parts and coolant.$115.00. And that was taking my time, along with a side trip to Autozone for coolant. The dealer quoted it as a 4 hour job, which I finished in approx. Well, I replaced the coolant control valve Saturday without any problems at all.except for a broken radiator hose clamp. I'm glad I purchased via Ebay a CD with the complete Thunderbird Service Manual a couple weeks ago. I'll let you all know how it went, how long it took.I'm thinking I can do it within a couple hours, and if it resolved the problem. shipping and I will be installing it myself within the next week or so. Well, I've ordered the part from Direct Ford Parts for $102.61 total cost incl. They wanted $150 for the part and another $325 to install it (4 hrs. ![]() This valve is located attached to the radiator shroud and has three hoses running out of it, two of them are the heater core hoses. As they explained to me it seems the problem lies in the Heater control valve, aka the Dual coolant control valve. I took my car to the local Ford dealer for diagnosis. When using the heat & air only hot air comes out. Steve, Not sure what you read but here's some info on one that sounds similar:
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