Question about 2004 Jeep Grand Cherokee

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My 2004 Grand Cherokee only blows air through the defrost vents and none of the other vents. What might be the problem?

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One thing it might be is the vacuum operated door motor that is under the dash in the lower middle of the cabin. Or one of the vac lines could be pulled off.

Posted on Mar 17, 2011

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1 Answer

Air is only coming out the defrost vents. when I turn the switch for other vents nothing happen 2004 jeep Grand Charokee


the default mode is defrost in the air distribution.common problem is lack of vacuum due to
old/worn hoses.if you can, trace vacuum lines coming through firewall to intake manifold


good luck

Jun 17, 2011 | 2004 Jeep Grand Cherokee

1 Answer

Air conditioner blowing threw defrost vents only


AIr failing to defrost is by la. You have a vacuum leak. check the vacuum line from the engine to the control unit on dah for a leak. Also, check the vacuum storage tank in the engine compartment somewhere. Usually a plastic ball in the fender well.

May 26, 2011 | 2004 Jeep Grand Cherokee

1 Answer

My 1996 grand cherokee limited will not blow out the vents, only through the floor board, not even the defrost vents


There is a door actuator motor that is not working,the dash will have to come out to replace the actuator motor.

Jun 13, 2010 | 2004 Jeep Grand Cherokee

1 Answer

Hi, why has my a\c air stopped blowing out of the


you have a vacum hose that has come off look up under ur breather and you will find a small hose that has come loose

Apr 11, 2010 | 2004 Jeep Grand Cherokee

1 Answer

Blowes air throught defrost vents only


its a problem with the switching mechanism. you have to look up under the dash to see if you can see where the switching mechanism is. if you can not see it from there youll have to remove complete center dash

Apr 04, 2010 | 2004 Jeep Grand Cherokee

1 Answer

The heat in my 2004 jeep grand cherokee only blows threw the defroster. when switched to vents or floor it still only comes out the defrost. any suggestions


bad switch the cheapest solution or the blend door is not responding to the switch you can locate the blend door under the dash

Dec 07, 2009 | 2004 Jeep Grand Cherokee

2 Answers

2001 jeep grand cherokee wont blow air through vents


there is a flap to redirect the air flow under the dash, it may be an item like a pen :) that has dropped down the vent opening stopping it from moving to redirect the air ... failing that, one of the motors/cables that operate the flap has failed

Dec 05, 2009 | 2001 Jeep Grand Cherokee

2 Answers

AC & Hot air only blows out defroster


May be I can help,you have a vent door actuator motor that has gone out..Roniecon@gmail.com

Jul 19, 2009 | 2004 Jeep Grand Cherokee

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