Ford A/C :: 2001 F150 Will Not Turn Over After Heater Core Replaced

I replaced the heater core in my truck. Now it will not turn over. When the key is turned on all the lights in dash come on like normal but when I turn the key to start it I get nothing.

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Ford A/C :: 1988 E250 - Rear Heater Core Is Getting Coolant Flow Constantly

Okay, the vehicle is a 1988 E250 ClubWagon 7.3 IDI diesel with front and rear AC/heat. I have 3 questions for you:

1. I found that the rear heater core is getting coolant flow constantly which is making my rear AC blow 75* air. These models don't have a blend door in the back, they appear to have a valve that is only allows coolant flow to the rear heater core when the heat is turned on. Problem is that I can't seem to find where this valve is located on the van or what it is called to locate it at a parts store. Where on my van this valve is located?

2. My rear blower only functions on High. I know there is a resistor set up in the rear that controls the blower speed. Before I just replace this, is there a way that I can test it?

3. Is it possible that the Resistor setup for the rear fan speed would also be causing the rear coolant flow valve to not work? I know it's a long shot, but does the valve signal flow through it when the AC is on to tell the coolant valve to shut?

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Ford A/C :: 2000 F150 - Heater Core Went Out

I have a 2000 F-150 5.4L 4x4. I am currently deployed and my wife has the truck. Just yesterday she told me my heater core went out again the only way she knows this is its the 4th time in just over a year. What would cause a heater core to go out so many times in a short period? What should I have my wife do? I do not want to get rid of my truck and I wont be back for another few months.

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Ford - F150 :: 2002 - Replaced 4 Heater Core In A Year?

Ford dealership is having problems with heater core repair. 2002 Ford F150 Supercrew. Problem is antifreeze (or early on just smell) in the cabin. 4 heater core replacements in 2 years. A hose (?) replaced. Electrolysis kit replaced. 4th heater core replacment finished yesterday. I know that I need to let the dripped antifreeze work out of the system, but I am smelling mild antifreeze this AM. Usually gets worse over 2-3 days then I have to take it in. What might be being missed here?

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Ford F-150 - 1997-2003 :: 2001 - Heater Core Replacement

I have a 2001 F150 with a 4.6L.. Do I need discharge the AC lines when replacing the heater core? How difficult is it to replace the heater core?

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Ford F-150 - 1997-2003 :: 2001 - Heater Core Leaks / AC Just Stinks While Running

My heater core must have sprung a leak this week. Not that I need heat in this weather but just the smell of it while running the A/C just stinks. I know I am going to have to replace it myself but just for S&G, what would a dealer charge to replace it?

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Ford Super Duty (1999-2016) :: 2001 - Keep Getting Heater Core Leaks

I've got a 01 sbcc 2wd 5.4 gasser and I've gone thru 3 heater cores in 18 months. Is there something I'm missing?

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Ford Super Duty (1999-2016) :: 2001 F250 - Heater Core Replacement

I recently replaced my heater core on 2001 F250. Would be a simple job if it weren't for the quick connects on the hoses. Any tool to take these apart on the truck where space is limited?

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Silverado :: Plastic Coupling Between Core And Hose Remove From Heater Core?

Plastic coupling between core and hose, is there a specialty to needed to remove from heater core?

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Santa FE SM (2001-06) :: Heater Core Leaking Coolant And It Dripped All The Way Down To Original ECU

The problem started when his heater core was leaking coolant and it dripped all the way down to his original ECU. Car stopped working. Then he went to a Hyundai dealer to fix the problem but they said he had to buy a brand new one. First ECU didn't work. Returned it and bought one more expensive. Dad told me it worked but he didn't by pass the heater core so coolant dripped again. So now I'm on my third ECU but it doesn't work. I've read online that some older cars have plug-and-play type of ECUs that aren't restricted to the VINs. His car is a 2004 Hyundai Santa Fe GLS FWD 4dr 3.5L.

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Mercury - Heating - Cougar :: 2001 - Heater Core Is Apparently Blocked

I have an 01 Mercury Cougar Sport Coupe that we bought from a friend for not too much, just to use as a daily driver. It's got a lot of miles on it, but it still gets good mileage, which combined with the fact that we didn't pay much for it makes it an okay car for around town.

Here's the problem. I live in Wyoming where it's winter nine months out of the year, and the heater core is apparently blocked. I made it all through last winter with this problem, but now it's intolerable. The kids call the car "the Red Icicle". My mechanic diagnosed the problem as a blocked heater core and tells me the only solution is to replace it, which costs something like $500. I can't work on the car as everything is too jammed under the hood to get access to anything.

Do I really need to replace the heater core? The whole car isn't worth much. Is there something I can put in the cooling system that will unblock the core reliably?

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Ford A/C :: 2005 - Front Heater Core Always On

2005 Ford E Series heater core is "always on"?

That is, coolant always circulate through the core, there is no "valve" that turns it on or off.

The HOT / COLD dial opens and closes a door (vacuum operated) that allow air to enter the heater core area?

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Ford F-150 - 1997-2003 :: Bypass Heater Core On The Fly

My commute into the office was more difficult than usual because of the fumes pouring out of the vents. I have a 1997 F-150 5.4 V8. should I remove both in and out hoses from the firewall and connect them with a plastic fitting not to risk breaking the aluminum fittings on the motor?(There is an advanced a mile away) OR is it possible for me to remove the in hose from the firewall and remove the out hose from the motor, and run the in hose directly into the motor. Are the fittings the same and can I do that with limited time and tools?

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Ford - Focus :: 2000 - Heater Core Started Leaking

Coworker's 2000 Focus's heater core started leaking on his 50m commute this morning. He is ready to donate the car at this point. Any stop leak product (i.e. Bars) that would stop the leak without clogging the cooling system.

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Ford - Mustang :: 1989 - Heater Core Leaking Antifreeze

I have a 89 ford mustang with 4 cylinder. After being stored for the winter I noticed anti-freeze leaking from drain tube below heater core (small amount). I am not looking forward to replacing the heater core in this car! Any reason this happened after the car sitting in storage all winter??? or just a coincidence??

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Ford Excursion :: 2000 - Way To Back Flush Heater Core?

I need to back flush the heater core in my 2000 EX with a 6.8. Looking at the outlet hose I don't see anywhere to separate it, do I need to cut the rubber section and put a flushing "T" in it ?

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Ford A/C :: 1991 F250 - Multiple Heater Core Failures

1991 F250 Diesel. I'm on my 5th heater core in the past 18 months. This last one lasted less than 500 miles. I'm using the Spectre brand from Autozone. I find it hard to believe i could have gotten 5 bad ones in a row. I have pressure checked the system and it's normal. There is no fluctuations in the readings, so I doubt there is a head gasket issue.

I checked for stray voltage in the coolant and the results never got above .17 volts, but it was usually lower than that. I thought I had an electrolysis issue when I noticed the heater core tubes touching the firewall, so for this last core, I insulated the tubes, but that didn't work. I've checked everything I can think of. The truck has 117K miles on it. I don't drive it much, less than a few thousand miles a year.

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Ford F-150 - 1997-2003 :: 1998 - Heater Core Replacement?

How to replace the heater core?

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Ford F-150 - 1997-2003 :: 1999 - Replacing The Heater Core

Friend of mine has a 99 Ford F150 with the 5.4L. He thinks the heater core has gone on it as it blows a mist through the top vents when he turns the heater on. He can also smell antifreeze. Up here in Canada, its, well quite cold, nuff said about that. He has had estimates of anywhre from $800-$1000 to change it whereas the cost of the core is below $100. Is there anywhere that he can get a diagram.... of how to change it, all he knows was that he was told to remove the entire dash to gat at it.. Is that true ?

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