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Climate Control Problems (Air Conditioning, Heat) - All Cars

791 messages,  Last post on Aug 12, 2009 at 12:55 PM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Heating / Cooling

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#722 of 791 HVAC failures by heatertreater Sep 30, 2008 (7:54 pm)
HVAC failures are common on Ford and other manufacturers systems. The problems generally date to the switch from manual control(slide lever from red to blue) to computer control. The problems come in with computer control over the DC actuator motor and the propensity for the plastic blend doors to break over time from the overstress of the motor...like bending a coat hanger back and forth until it breaks.   These guys are the experts on blend door issues with multiple automobiles and the information on this web site should help understand and resolve some of the common problems. HVAC repair
#723 of 791 Re: 1994 chrysler lhs [nbelt] by bullman1 Oct 26, 2008 (2:13 pm)
Replying to: nbelt (Sep 22, 2008 8:30 am) If you find out anything please advise me, I have a 96 lhs and it does same. Replies to this message: nbelt (Oct 30, 2008 8:00 am) nbelt (Nov 24, 2008 6:28 am)
#724 of 791 Re: 1994 chrysler lhs [bullman1] by nbelt Oct 30, 2008 (8:00 am)
Replying to: bullman1 (Oct 26, 2008 2:13 pm) took the 94 lhs to the shop and they are telling me it needs a new climate control. the real kicker is that its gonna cost , get this, $573.00 for the part. when i asked why it was so expensive they had no explanation for me. the car is 14 years old and i dont think its worth much more than $600. i might be able to find one on ebay but i dont know if it will be any better than the one from the junk yard that doesnt work. let me know if you find out anything that is a little more promising than what i found out.
#725 of 791 Re: 1994 chrysler lhs [bullman1] by nbelt Nov 24, 2008 (6:28 am)
Replying to: bullman1 (Oct 26, 2008 2:13 pm) found a new heater control on ebay for $40 put it in and it works. but now it wont blow hot air. guys at the dealer tell me theres a door behind the dash that opens and closes to allow the hot air to come through. they said $900 to $1000 to reair that because they would have to take the whole dashboard assy out. good thing i didnt blow $573 on that heater control!! i gotta guy working on this door thing but i dont know if that will work. i guess well see
#726 of 791 AC Compressor not engaging when switched to AC by fordf250xlt4x4 Nov 24, 2008 (12:06 pm)
Hi anyone,   When I put the lever to MAX AC or AC it does not engage the compressor. It acts as if it's not getting electricity to the compressor. Is there a fuse I don't know about?   1990 XLT Bronco 351 V8   Thanks
#727 of 791 Re: 1995 Camry , expansion valve & dryer [roadszx] by securitya8 Nov 30, 2008 (10:14 pm)
Replying to: roadszx (Aug 10, 2008 9:01 am) yes i agree to you and the best thing is to charge the http://www.buildingregister.com as soon as possible Replies to this message: Mr_Shiftright (Dec 01, 2008 8:30 am)
#728 of 791 Re: 1995 Camry , expansion valve & dryer [securitya8] by Mr_Shiftright HOST Dec 01, 2008 (8:30 am)
Replying to: securitya8 (Nov 30, 2008 10:14 pm) That's a busted link and not an automotive one either, so I don't know what you're trying to do----hopefully not advertise something.
#729 of 791 heater goes on and off by astroman3 Jan 15, 2009 (5:21 am)
hello i have a 96 astro that heat works well,the front heat i guess blower will come on and off at will,the rear works perfect,,,when the front heat comes on it works great,then will just go out at will,,now that its freezing out,you really notice it,,any idea were to start,to find the issue?? Replies to this message: kiawah (Jan 15, 2009 6:28 am) astroman3 (Jan 15, 2009 9:55 am) kiawah (Jan 15, 2009 10:17 am) and 5 more... imidazol97 (Jan 15, 2009 10:40 am)
#730 of 791 Re: heater goes on and off [astroman3] by kiawah Jan 15, 2009 (6:28 am)
Replying to: astroman3 (Jan 15, 2009 5:21 am) Is it the heat (temperature hot vs. cold), or the blower (fan speed)?   If it is the latter, the blower fan speed, then check the blower resistor bank which is usually in the air plenum, right at the output of the blower fan. The design typically uses the air from the blower fan, to cool the resistors which get hot. That resistor bank is what gives you the different blower speeds (controlled of course by the blower switch). If one of those resistor wires burns out, you'll get weird motor speed problems. Replies to this message: astroman3 (Jan 15, 2009 9:55 am) kiawah (Jan 15, 2009 10:17 am) astroman3 (Jan 15, 2009 10:35 am) and 4 more... imidazol97 (Jan 15, 2009 10:40 am)
#731 of 791 Re: heater goes on and off [kiawah] by astroman3 Jan 15, 2009 (9:55 am)
Replying to: kiawah (Jan 15, 2009 6:28 am) sorry i wasnt more clear,the heat is fine its the blower that stops n starts at will,it just kicks on when it wants to or i hit a bump? its intermitent,its on one minute and off the next,not sure if a short or lose connection??? Replies to this message: kiawah (Jan 15, 2009 10:17 am) astroman3 (Jan 15, 2009 10:35 am) kiawah (Jan 15, 2009 10:53 am) and 3 more... imidazol97 (Jan 15, 2009 10:40 am)

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