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2004 buick lesabre-ac problems

When i turn on the ac the passenger side comes out cold from the vents and the driver side comes out warm from the vents 04 lesabre, driver side no A/C air, dash out, HAVC box accessable, manual A/C, all actuators work all gates, single temp acuator, no air passage throught the drivers side of the evaporator,need solution, where the unseen gate or is there blockage someplace?

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  • Jeffery Lewis
    Jeffery Lewis May 11, 2010

    have you tried disconnecting the battery to put it in self progamming mode ?

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6 Suggested Answers

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Posted on Jan 02, 2017

SOURCE: 2001 buick lesabre-ac problems

  • Assumed your AC unit is OK, but uneven temperature distribution. Try to throw the heater on an off severtime. A sticky valve on the heater would cause similar problem.
  • Observe the RPM while parking your car. While the AC cut in cut out (or turn on an off). If it cause no load on the engine. The freon may be low or the compressor is bad. In this case only the intake side of the evaporator is cooler than the other side.

Posted on Jun 04, 2009

  • 3600 Answers

SOURCE: 2003 buick lesabre AC problem

You have to find the motor that controls the blend door and open it manually to find out which one is bad there are 3 blend doors on the HV/AC system one will be where the heater core is. The other will be between the vented air and AC? heating system then the third door will operate vents in dash and defrost condition. If you have someone operate them AC system heating system and watch the blend door motors, the one you find not moving will be the one that has the problem. They have vacuum and electrical motors, if it is a acuum motor you can move the door manually with your hand, if it's electric you will have to disconnect the rod by removing the pinch clip off of the rod.

Posted on Jul 10, 2009

  • 1 Answer

SOURCE: the lift gate will not open with the release

I'm hoping you found an answer to this already, but if not, here it is. Try looking at fuse # 16 in the fuse panel under the driver side dash. It should be a blue 15 Amp fuse & it controls the cigarette lighter & lift gate, amongst other things. My guess is that you will find it has popped & needs to be replaced. It's an easy job to do if you have a fuse holder or a pair of needle nose pliers. Out with the old, in with the new. IMHO, this is a poor deign by Lincoln in the fact that the change holder is right next to the cigarette lighter & if you happen to drop a penny or dime into the lighter/outlet, it pops the fuse. This can be a common problem if you don't keep the lighter in there, & use the outlet for cell phone charger, ipod, etc. This has happened to me a couple times, so I bought a small box of fuses & keep them in the glove compartment now, just in case it should happen while I'm out & about somewhere. Hope this helps!...//TJ

Posted on Jul 27, 2009

michael_grey
  • 365 Answers

SOURCE: cold air on passenger side warm air on drivers side

Actuator motors either get a tear in the rubber or a hose is broken and not letting vacuum assist in its opening.
You can try moving the lever by hand and see if the air gets colder on the bad side.c976077.jpg

Posted on Aug 04, 2009

  • 430 Answers

SOURCE: rx330 won't open rear gate

Inside the glove box on the left side there is an on/off switch, which m,ay have been bumped off thereby shutting off the power controls to the hatch. Check that first. Then press the unlock button on your key twice, then test all 3 power hatch buttons to test them, one each on lower left dash by the gas cap door release, one on fob and the one at the hatch. If they still do not work it is possible your door may need to be 'initialized" by your dealer due to power failure. I have seen this with seats and windows but never with the rear door....

Posted on Nov 23, 2009

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2 Answers

Cold air on passenger side warm air on drivers side


Actuator motors either get a tear in the rubber or a hose is broken and not letting vacuum assist in its opening.
You can try moving the lever by hand and see if the air gets colder on the bad side.c976077.jpg

Aug 04, 2009 | 2001 Buick LeSabre

2 Answers

My lesabre blows warm air on driver side cool air on passenger side


If you have dual climate control, you most likely have a low freon level. The evaporator can get cold enough for the passenger side (where the evaporator is located), but not cold enough to transfer cold air to the passenger side. Have it inspected for a leak and the freon level topped off.

Jul 26, 2009 | 2000 Buick LeSabre

2 Answers

2003 buick lesabre AC problem


You have to find the motor that controls the blend door and open it manually to find out which one is bad there are 3 blend doors on the HV/AC system one will be where the heater core is. The other will be between the vented air and AC? heating system then the third door will operate vents in dash and defrost condition. If you have someone operate them AC system heating system and watch the blend door motors, the one you find not moving will be the one that has the problem. They have vacuum and electrical motors, if it is a acuum motor you can move the door manually with your hand, if it's electric you will have to disconnect the rod by removing the pinch clip off of the rod.

Jul 10, 2009 | 2003 Buick LeSabre

1 Answer

AC only on the drivers side


you are low on refridgerant

Jun 26, 2009 | 2003 Buick LeSabre

1 Answer

Air conditioning in 2000 lesaber


Vent door between the two sides isn't opening or the flex hose going between the two is off.

Jun 03, 2009 | 2000 Buick LeSabre

1 Answer

2001 buick lesabre-ac problems


  • Assumed your AC unit is OK, but uneven temperature distribution. Try to throw the heater on an off severtime. A sticky valve on the heater would cause similar problem.
  • Observe the RPM while parking your car. While the AC cut in cut out (or turn on an off). If it cause no load on the engine. The freon may be low or the compressor is bad. In this case only the intake side of the evaporator is cooler than the other side.

Jun 01, 2009 | 2001 Buick LeSabre

1 Answer

N423y@att.net


yes it is called the blend door, you either have a sticking blend door or the actuator motor for the door is defective and does not completely shut off the heater core. The pass side has it's own blend door.

Feb 03, 2009 | 1997 Buick LeSabre

1 Answer

1994 Buick LeSabre equipped with the "Dual Automatic Temp Control


fault temp sensors
still can be a worn or stuck shaft flap at the actuators
or actuators is still faulty

Mar 07, 2017 | 2000 Buick LeSabre

2 Answers

2000 buick lesabre 3800 has warm air blowing out two driver side vents in A/C mode, but the two passenger side vents are blowing cold. any suggestions?


I had same problem on 2000 Lesabre blowing cold on passenger and warm on driver. I fixed it by adding more freon even though it had 28 pounds of preasure. Now it works great!

Jul 30, 2008 | 2001 Buick LeSabre

2 Answers

Air


If your A/C has a temperature control on the passenger door (dual zone): It may be set all the way to cold (end of the blue zone). If the driver's side is set to a warm temperature, that may explain the warm air from the vent.

If that's not the case, the a/c temperature mixer door on the driver's side may be stuck .

Jul 10, 2008 | 2002 Buick LeSabre

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