Question about 2003 Toyota Avalon

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AIR CONDITIONER Q/C LIGHT DOES NOT COME ON. NO COLD AIR.

THE REST OF THE CLIMATE CONTROLS ALL WORK. I JUST HAD THE UNIT RECHARGED ON WEDNESDAY, ZIT WORKED FINE FOR 3 DAYS.

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  • Toyota Master
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First u got a leak get the leak fixed and u may need to flush ac system and replace dryer and fix leak ac `s are technical now days and u have a sensor on the ac telling u to service ac

Posted on Jun 29, 2009

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Posted on Jan 02, 2017

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Climate control code 20 for 2001 jeep grand cherokee limited


You need to recharge the air conditioner. You can get a do it yourself kit for about 60 bucks. Works well and will explain how it is used pretty thoroughly for you.

Apr 09, 2014 | Jeep Grand Cherokee Cars & Trucks

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My climate control only blows out cold air but the rear climate control works as it should


Could be the controller or a faulty blend door.
The blend doors direct air thru the heater core and evaporator along with the vents. The controller uses electric motors to change the direction of air flow.

Sep 28, 2012 | 1999 GMC Suburban

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I have a 2000 pontiac grand prix with a digital climate control system. The heat quit working, it doesn't blow out any heat. Now that it is warm outside the air stopped blowing out any air. The digital...


I have a 2000 pontiac grand prix with a digital climate control system. The heat quit working, it doesn't blow out any heat. Now that it is warm outside the air stopped blowing out any air. The digital temperature on the climate control is not correct. When it states that it is below 30 degrees on the ext and it is warm outside the air wont be cold. Once it starts going above 30 degrees the air gets colder. Today the blower stop working all together. Was told it maybe the climate control unit was bad. You can hear the door opening/shutting when you switch the temp from cold to hot. But there was no heat blowing out whatsoever in the winter time. Could you please give me your opinion on whether or not it is the climate control unit or something else?

Jul 11, 2011 | 2000 Pontiac Grand Prix

3 Answers

Air conditioner quit working


first thing to check is loss of gas pressure due to leaks , this is the most common failure.

if gas is good then could be a number if things , compressor , climate controller unit , bad wiring or connections somewhere.


Aug 18, 2009 | Pontiac Aztek Cars & Trucks

1 Answer

2000 mercury grand marquis air conditioning won't work


1st Thing,
Located Someone With a Set Of A/C Gauges 134A Freon,
Make Sure Your A/C System Has Enought Freon In It, There Is a Low Freon Pressure Switch
In The Electrical System, Usually, 50-60 PSIG or Less On The Gauges, Will Indicate Low Freon, When Freon Is Low The Compressor Is Dis-engaged To Prevent Compressor Damage.
1] Low Freon
2] Bad Low Pressure switch
3] Blowen Fuse[s]
4] Electrical Problem[s]
[a] Digital Climate Controlled ?
Climate Control Self Diagnose From Button's On Unit, OEM Manual Explains This,
If Yor Auto Has Digital Climate Control.
5] Bad Compressor DC Coil

Note: Does The Compressor Engage, Click-On When Button Is Pressed, But Getting
Only Warm Air?
Is One Of The Compressor Aluminum Tube's Cold, Be Careful Other Is Really Warm/Hot,
If Cold and or Sweating, Dripping Water [Normal], You Are Blending Hot Air w/Cold
Air At The Heater Blend Box, Making Warm Air.
If This Is So, If A Vaccum Controlled Temp Unit, Check For A Vaccum Hose Bad,
Should Be Either 1or 2 Vaccum Lines Going Into Firewall To Feed The Controller
Unit, If OK, Might Be a Bad Blend Box Diaphram, [Control's A/C air, Blocks Off
heater Coil Hot Air].
If Your Auto Is Vaccum Controlled, Can You Changed From Bottom, Dash,
Defrost Air Flow?, Yes, No Vaccum Lost Feeding Controller, Still Might Have
Bad Diaphram Blending Hot Air w/Cold If Your Have Cold Alum-Tubing In
engine Compartment.
If Digital Climate Controlled, Might have Diaphram's, Vaccum Controlled or
electrical Servo's Controlled vs Diaphram [Vaccum] Controlled.
This Might Help, Hopefully, This Is Just For Starter's, There More To Some System's
and Without The OEM Mgr's Manual[s] You/Be Would Be Lost, especially w/Electrical.
Later, God Bless

Apr 24, 2009 | 2000 Mercury Grand Marquis

1 Answer

AC runs cold, then hot, then cold


this sounds like a defective air temperature control sensor, it is located behind the glove box, problem is the part is most likely no longer availiable from Ford..

Apr 01, 2009 | 1985 Lincoln Town Car

1 Answer

99' Chevy Tahoe Air Conditioner not working


It doesn't blow cold air? Doesn't come on at all? What's the problem? If it doesn't blow cold after a charge, it leaks. Either on the compressor or in a line or both. To start at the dealer, a compressor is about $1200. That's what they told me. I have two leaks. You can buy remanufactured compressor on ebay for under $200. Or find a good shop (polar bear around here) with reasonable prices and have them do it for something in between.

If it no air is moved at all by your climate control system, the blower motor could be fried, the switch may have gone bad or a fuse is blown perhaps. If it moves air, but not cold air, recharge it and see if it stays cold. If so, great! If not, find the leak.

Mar 18, 2009 | 1996 Chevrolet Tahoe

2 Answers

1998 Volvo S70 2.0L Air conditioner not working correctly


This may be one or two different problems. One could be the climate control unit itself. Surprisingly the problem with the air not changing the source will likely be remedied by a reprogramming by a Volvo dealer. Defrost is the delfault outlet if there is a problem with that system. As for the dial not having detents and the cold instead of hot air in the pass side, that could be programming, a disconnect with the heater door for the passenger side or it could be the control unit. 98 is a difficult year to diagnose and the dealer is likely the only one who can properly diagnose this car. The download at the dealer is an inexpensive fix. If there is a mechanical problem within the air system that could prove more costly. I'm not sure how much the control unit for the climate control system, but there are usually quite a few on ebay. Good luck and I would suggest visiting the dealer first for this one as it is the least expensive fix and could very well be the only problem.

Feb 20, 2009 | 1998 Volvo S70

2 Answers

Climate control unit passengers side


it is probably a solenoid or vacuume motor that has failed where the heater core is located

Jul 14, 2008 | 1998 Buick LeSabre

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