Question about 2005 Jeep Wrangler

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97 jeep wrangler blower

I recently changed the blower motor in my jeep and now I am getting the same air flow out of the defrost and the floor vents. Is there a fuse that could be blown or could it do with vacuum? I get good heat, it just doesn't blow!

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You have managed to disconnect a vacum hose either under the dash when you instaled the blower or you have disconnected the vacum hose under the hood close to the firewall look for ths hose it is a very tiny vacum hose!!!!

Posted on Nov 12, 2008

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1 Answer

Why is hvac air coming from all three locations (vent/floor/defrost) regardless of switch setting?


Check air box if it won't change air flow some thing is wrong there inside the car

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I have a 97 wrangler. When the switch is placed on defrost the doors seem to close on their own and the air flow moves to heat or vent on it's own. What's the problem?


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Sep 29, 2013 | Jeep TJ Cars & Trucks

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I have a 97 chevy k2500 the fan works, heat and ac works, the floor vents and dash vents work but cant get any air to blow out of the defrost vents. help i have replaced the control panel, still have...


Your vehicle uses electronically controlled blend doors to direct th air flow from defrost to vent and to the floor . If the door motor is bad then it will stay at a fixed position so you will not get the air to flow out the defrost ducts. There are at least two of these one for air blend and one for fresh air. They are located on the passenger side usually under the plastic cover and have a wire harness that plug in and are usually shaped like a piece of pie.

Mar 03, 2011 | 1997 Chevrolet K2500

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REPLACED BLOWER MOTOR CONTROL MODULE...Now blower is working but not very much air flowing out of vents! Fan speed is working...it heat and cools. but still not adequate air flow from the vents ..2000...


check your blower hoses to see if one or more have come loose or got redirected or the selector switch isn't functioning properly (is it blowing better on defrost as opposed to floor vents, or forward vents, etc.)
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Oct 26, 2010 | 2000 Jeep Grand Cherokee

1 Answer

'00 Jeep Wrangler with no heat and AC not blowing


Ok, if you are trying to use your AC and its not turning on, odds are your refrigerant levels are low, the system will not turn on when low fluid levels are present so the system doesnt burn up the compressor.

If your blower motor is not operating, you may have a fuse blown that needs to be replaced, or the control chip that plugs into the blower motor (for fan speed settings) has burned up (easy fix).

If your climate control is not throwing out heat when you change the settings to hot, you have a leaky vaccume line and the vaccume pressure is not strong enough to open or close (depending on setting) your blender box. Although typically when a vaccume line springs a leak you will have issues with your selector switch as well (defrost, vent, floor)

Also pay attention to your temp gauge to make sure the thermostat is operating properly, and the engine is not over heating ro getting excessivly hot! If it is, then you need to replace the thermostat ($8 part)
and go from there. Also you should check your heater core, if it gets clogged or has restricted coolant flow, your system wont have the heat it normally did (if any) when it worked properly.

This is just a quick summery of the area's you should be looking into for the problems you are having! thanks for using Fixya.com and good luck, I hope I have helped make resolving your problem alittle easier

Jan 08, 2010 | 2000 Jeep Wrangler

1 Answer

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

2 Answers

Air flow wont change from defrost to other positions.


The AC functions of defrost, vent and floor are controlled by vacuum motors, you have a vacuum loss problem from the engine, check for a small disconnected vacuum hose under the hood from the engine to the firewall..

Jul 01, 2009 | 2002 Jeep Wrangler

1 Answer

No air flow from defrost vent on my van.


Could be a vaccum line leaking not changing the vent flap to defrost

Jan 10, 2009 | 2001 Oldsmobile Silhouette

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