Question about 1999 Jeep Cherokee

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99 Cherokee Sport a/c blend door slams shut when blower motor speed switch above 1. Is the door broken or door motor bad or is this a vaccum issue?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Benimur
  • 6966 Answers

SOURCE: 99 cherokee radio problem

Hi,

Either the radio's output ICs are fried or speaker/wires needs to be checked.

Incidentally, there are some higher end versions that has an Infinity Amplifier (P/N: 56038407AD) powering the speakers and not the radio (alone). If so, this amp needs a trigger on from the head unit to work and therefore, the trigger wire/connection must be checked. Otherwise, it may likewise require an internal check.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 12, 2008

  • 73 Answers

SOURCE: 2000 cherokee sport blower motor control

It is a bad blower motor resistor and it is mounted on the bottom of the A/C heater housing on the passenger side of the vehicle under the glovebox area. Hope this helps. Please rate this a fixya if it helps. Thanks.

Mike

Posted on Sep 13, 2008

  • 4 Answers

SOURCE: Blower motor has only high speed

This is a common problem with ALL cars. You likely have a failed blower resistor. The resistor controls the speed of the blower motor. There is a very slim chance it is the control head assembly, but 95% chance it is the resistor. One last thing, the most common cause for the blower resistor to fail is that the blower motor itself is pulling excessive amperage and damaging the resistor. I would check the amperage draw of the blower motor if you have the ability, if not, replace the resistor and hope for the best. If the new one fails in short order, you'll have to replace the blower motor as well. Mopars have a tendency to melt the resistor connector as well. Hope this helps!

Posted on Feb 01, 2009

  • 14 Answers

SOURCE: whay causes my 99 jeep cherokee to be sluggish going up a hill ?

May be in need of a tune up or you may have engine sludge. Check you spark plugs and see if they're fouled. If so, replace.

Posted on Aug 10, 2009

  • 1 Answer

SOURCE: 1999 jeep cherokee sport odometer not working!

how did you fix it

Posted on Oct 12, 2009

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My heat/AC blower makes noise, but no air comes out. I can adjust the fan speed, bu still no air. I replaced the blend doors and they work correctly... now I can feel heat, but it won't blow. I still...


Most probablh a broken recirculation door hinge. When broken, the door will be laying on top of the blower motor and shut the air exit. Remove the blower motor and look up. If you see the door and csn fteely move it by hand, then that is the problem. Some people just secure it in up position eith some wire. Ofcourse recirc will not work anymore.

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There are two parts to the heating unit that control the air.
1. the blend door, this moves when you change from hot to cold.
2. The selector changes where the air comes from. This is what the problem is in your case. Look at the plenum (area under the dash that has the motor and levers connected to and see if one of them moves when you change modes. Sometimes the selector lever will move but the actual door inside the plenum is broken off.

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We can't get hot or cold air to blow in our Jeep


Your blower has most likely gone out. The easiest way I can tell you to fix it is to get a haynes manual. Its not too bad of a job to do yourself, but make sure you have time and patience. Good luck!

Dec 31, 2009 | 1998 Jeep Cherokee

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Blend door for front temp control is stuck in the 'cold' position this winter. Is there a way to manually move and fix the door to get some heat?


you have to replace the blend (heat/cold) door motor, you can try to remove motor and turn door and try to jam something in door handle slot ,that the part that the motor turns,hope this helps.

Dec 26, 2009 | 2001 Ford Windstar

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1995 Jeep Grand Cherokee Climate Control issues


. Open the gloves compartment (gc) . remove 2 rubber pieces that keep the gc on its place (both sides) . look to the left side. there is a connector with a few thin colored hoses. This thin hoses are there to control the operation of the blend air door. It is vacuum operated. . now follow the thinnest hose, probably it is green, all the way to the right. It connects in a sort of vacuum valve that control the position of the blend air door. make sure it is firmly attached to it. also check that hoses connector to ensure that all thin hoses are well connected. . OK! start the motor and operate the knob on the panel. It should work fine now.

Nov 21, 2009 | 1995 Jeep Grand Cherokee

1 Answer

The driver side blower blows hot air, but the passenger side blows cold air.


common problem, you have a bad blend door motor, also be careful sometimes the blend door breaks at the end that goes into blend motor if is then blend door has to be replaced also w/motor hope this helps, ive done a lot of these, good luck.

Oct 13, 2009 | 2001 Jeep Grand Cherokee

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Air/fan/heat only works on high in 2005 Jeep Grand Cherokee, or it will start again if I open and slam shut my glove compartment.


Check the blower motor speed dropping resistor pack and it's connections. It is located in the ducting airflow of the blower motor.

Jul 17, 2009 | 2005 Jeep Grand Cherokee

1 Answer

99 Yukon - Blower Motor Not Working


replace the A/C control head... very simple to do. Pop off the dash panel and pull the control head out... unplug the 3 harnesses and there you go.

Jun 02, 2009 | 1999 GMC Suburban

1 Answer

Air condition


unfortunatelly this type of trucks has very comun problems with the blend door geting broken, make sure to have the bleen door inspected for posible broken part, be carrefull some mechanics will misdiagnose saying the blend door motor is bad, ask to doble check for posible blen door problem, the blend door controls the heat and cold, going to your cab

Jun 20, 2008 | 1999 Ford Expedition

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