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Old 06-11-2011, 05:47 PM   #1
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knocking sound from under the glove compartment

I have a knocking sound that is coming from something located under the glove compartment. It is not coming from the engine. When I get under there, I only see plastic housing for whatever it may be.

It is louder when the jeep is in gear and I am stopped at a light or stop sign. It goes away when I am driving. It is there but not as loud when it is in park.

I do have AC and when I turn that on, it does nothing. So, I do not think it has anything to do with the heat or AC.

I have a 2005 Jeep Wrangler Sport automatic

ANY IDEAS?

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Old 06-11-2011, 05:49 PM   #2
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Your blower motor is tucked behind there. When i replaced mine I had a bunch of crap that got sucked in there some how.

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Old 06-11-2011, 11:48 PM   #3
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i imagine that will cost me a lot to get looked at, think it is ok to leave it? I mean the AC works, everything else seems to be fine. sounds like something is just rattling in there.
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Old 06-12-2011, 01:52 AM   #4
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Take the midget out of the glove box .
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Old 06-12-2011, 02:45 AM   #5
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Quote:
Originally Posted by Drakea94
Take the midget out of the glove box .
Clearly its a wood pecker not a little person.

:iknowimnohelpsorry:
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Old 06-12-2011, 06:42 AM   #6
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Quote:
Originally Posted by KMKsuburbannoise
i imagine that will cost me a lot to get looked at, think it is ok to leave it? I mean the AC works, everything else seems to be fine. sounds like something is just rattling in there.
U can pull the resister out and see if there is anything in there yourself. Just look under there and you will see the plug for
It. I believe there is like 4 wires. 2 screws holding it in. Unplug, take out the screws and it comes right out. Hoping there's something in there and not the vents.
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Old 06-12-2011, 09:10 AM   #7
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Sounds like you have gremlins my friend. Does the sound get louder after midnight?!
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Old 06-12-2011, 12:43 PM   #8
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Umm, me thinks you have something loose that's rattling against the housing.
The give away is it's worse in gear sitting still. Just like a bad mount on the eng/trans can cause enough of a shift for the exhaust to vibrate against something.

A bad mount will transfer vibrations though the frame to the body, and get worse when loaded.

Kicking the a/c-heater blower on and it not changing the sound pretty much eliminates something caught up in the blower housing.

That housing will act like an echo chamber so something banging against it out in the engine compartment will sound into the passenger compartment.


If you have a helper, have them hold the jeep in gear at idle, open the hood and look for something rattling. Also watch the eng/trans for excessive movement when dropped into gear, a sure sign of a busted mount.

No doubt stuff can get into he blower housing, rodents love the nice dry spot, and if you are down south snakes too. But I don't think that's your problem.

Funny I just remembered, a year ago one of my Insurance adjusters came in the shop and told me my Colorado was mewing when he walked past it.

We walked out and sure enough it was meowing. We ended up pulling the whole grill out to find a kitten had crawled up and gotten wedged under the drivers side headlamp, and couldn't get back out.

It ended up going to a good home home with the insurance adjuster.
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Old 06-12-2011, 01:01 PM   #9
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Lol
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Old 06-19-2011, 04:53 AM   #10
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Is there any vibrations coming from your jeep when you drive it? I kinda had the same "knocking" coming from my passenger side so I replaced most of the u-joints for cheap. Did the trick for me.
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Old 06-19-2011, 06:41 AM   #11
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The glove box is not that difficult to remove. Pull it out and you can readily see your blower/fan housing. If you keep a lot of stuff in your glove box it can sometimes fall back into the blower. A friend recently came by and was telling about this noise he had behind his glove box. I pulled the glove box out and there was a business card half way into the blower/fan, pulled it out, no more funny noise.
You may have more of a problem than this and need to try what a previous poster said about checking the resistor.
These vehicles are relatively easy to work on and I hate to see folks take them to the dealer before at least trying a few simple things themselves first.
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Old 06-19-2011, 07:06 AM   #12
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If going to the trouble to check the resistor-I would pull the blower motor as well. Don't panic it is easier than the resistor. No tools needed but flashlight and mirror for blower-and those are optional.
First though as suggested pull the glove box. It comes all the way out very easily. Just open it remove safety strap and tilt it down till it comes out. Leave it out-you'll be surprised how much "light" it lets in under there. check for noise-if it is still there-and Shelby's ideas/checks don't work outside of cab - would than pull blower. There is a write up on blower removal on the Forum.

Let us know what you find we learn from each other.

Good Luck

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