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Sedans Ford Crown Victoria/Mercury Grand Marquis Ford Crown Victoria/Mercury Grand Marquis Climate Control
37 messages, Last post on Nov 07, 2009 at 10:20 PM
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My EATC(automatic Climate Control) is loosing vacuum. I checked the system, all doors function and do not loose vacuum, supply holds vacuum even post car being off, so storage canister is fine, no leaks in connection. What is left? EATC Symptoms are that air is coming from vent but changes to def/floor or will just come from def/floor. The only reason I can see after checking everything is that the solenoids in the EATC that regulate the vacuum to the different doors are not getting enough current. This in turn allows the opening to the outside air to open when the solenoid is activated and therefore loosing vacuum in that part of the system. Does anybody know how to fix this, short of replacing the EATC and does anybody have an electric schematic of the EATC?
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| OKAY I AM NOT THE SMARTEST PERSON IN THE WORLD, BUT EVEN I SHOULD BE ABLE TO FIND THE A/C DRIP LINE. BUT FOR WHATEVER REASON I CAN NOT FIND IT. MY A/C IS NOT DRIPPING AND I CAN HEAR WATER ROLLING AROUND IN MY DASH. I HAVE MY CAR UP ON JACKSTANDS RIGHT NOW BUT I STILL CAN NOT FIND IT. PLEASE HELP............... | |
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Replying to: mr5x5 (Mar 21, 2007 12:14 pm) Mr5x5, I've had the exact same problem in my 2001 GM LSE. Last year Feb. I had the blend door actuator replaced. I'm thinking that perhaps the mechanic bumped or somehow caused the Controller Board to have a solder crack. Until then, the blower worked fine. A short time after the repair I noticed that the blower was intermittent. My blower stopped completely last week. I could not find anything on line to explain this until I read your post. Can you explain where I find the "Controller Board" to check it out. Naturally with the LSE it has the center consul making everything a bit harder to access under the dash. It sounds like it needs to be inside the heater/AC box to maintain the right temperature so it doesn't burn out. I'd sure appreciate any advise you can give me. Thanks, Sweating it out in Phoenix Az. Whew!!! KeatsArizona 
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Replying to: mr5x5 (Mar 21, 2007 12:14 pm) |
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Replying to: bigmerc (Jul 05, 2007 5:49 pm)
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Replying to: twocassels (Aug 05, 2007 11:17 am) Not in my Merc, I made it a 'manual' automatic climate control. Since you have the same problem as I have I thought to fill you in on my fix. I use the vacuum supply line to directly connect to the actuators of the doors. Since it is about 95 degrees I choose to have it all come out of the vents as the car would normally do. Initially not as good as 'factory' until I added vacuum to the Air inlet door as well. This gives you the well known blast of cold air from the vents. The fix: Hope yours is like mine: Underneath the dash in the foot well there is a vacuum connector plug with multiple vacuum lines that goes to the Climate control unit. Disconnect this and use the male end to make the connections. Here is what is what on my 03: Black: Supply Blue: Panel door White: Air inlet door Yellow: Floor/defrost door Red: Floor door As I said, I used a vacuum hose directly from Black to Blue and White, needed for this is a short piece of vacuum hose with one T connection since you will use three connections. It works like a dream and the temperature control still works as before including fan speed control. Enjoy. Till I find a fix or a reasonable priced replacement unit I will live with this fix. For winter driving you probably will have to connect black to yellow directly. Happy cruising and playing with this manual fix.
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| I've got a '98 GM LS and the a/c only blows hot. I've checked around, and found out that the possible culprit is the blend door actuator. I don't think that the electronic climate control is the problem, but if you have any other ideas, please let me know. My question is this; Do you really have to pull out the dashboard to replace the actuator? Is it possible to go in through the glovebox opening? | |
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Replying to: martens (Jan 15, 2006 1:46 pm) I thought it was low on coolat which it was, it took like a gallon of coolant ... each time I fill it it goes down to nothing as i drive for a day until I finished a gallon and now It's stable (Level) but that noise is bothering me, you can hear the flow of the coolant with turbulence in it close to the firewall in the interior side of it. Thanks sam, |
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While visiting my mother yesterday, I was driving her car and I tried to defog a slightly fogged windshield. Much to my surprise, the defroster started spewing its own fog onto the windshield to the point that I couldn't see out. The fog was so intense that the fog permeated the interior. Any ideas?
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