Question about 1999 Jeep Grand Cherokee

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No heat heat is not coming out proper it will blow heat out of dash and floor but not on the defrost for a 1999 grand cherokee laredo

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Its a vaccumm line (and possibly routing switch (the rotary one)) problem.

Posted on Dec 31, 2008

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What is a blender/ it is suposed to a part of the heater area


The "blender" would refer to the blend actuators that change the flow of air from floor to vent to defrost or combinations. Properly working blend doors will allow you to direct air to the dash vents, the floor, the defroster, the floor and defroster or the floor and dash vents. If it is not working the heater will still work but you will hae no control oer where the air flows.

Dec 19, 2009 | 1999 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

1 Answer

My sunroof is stuck open on my 1999 jeep grand cherokee laredo? Would it be a fuse? If so, how do you change it?


Check the fuses under the dash on the drivers side, next to the steering column. There should be a fuse puller on the fuse box door. Also a chart of which fuses at what so you can go to the proper fuse. Good luck, Please let me know if this is the solution to your problem.

Jun 01, 2009 | 1999 Jeep Grand Cherokee

1 Answer

2001 Jeep Cherokee a/c blows defroster only, no cruise control


There is a vacuum leak under the hood somewhere. Check the vacuum at the speed control servo. If there is no vacuum on the line with the engine running, follow the line to find the leak. The vacuum reservoir is mounted under the battery tray. I would look in that area after confirming no vacuum at the servo.

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