Name this Noise (video) - JeepForum.com
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post #1 of 20 Old 02-14-2010, 12:22 PM Thread Starter
SuperWade2
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Name this Noise (video) *UPDATE* Still noisy!

Went wheeling in the snow yesterday, didn't get into anything too deep water wise. Fired up the Jeep this AM so I could air up the tires and heard some squealing, it sounded like it was comeing from the distributor area... It didn't sound like it's a belt, was behind the water pump (or so it sounded)

Thoughts?

http://img535.imageshack.us/img535/3501/img03221.mp4

Here are a few pics if anyone is interested - Picasa Web Albums - wade.leishman - Twain Harte 2010


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post #2 of 20 Old 02-14-2010, 04:24 PM Thread Starter
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Originally Posted by SuperWade2 View Post
Went wheeling in the snow yesterday, didn't get into anything too deep water wise. Fired up the Jeep this AM so I could air up the tires and heard some squealing, it sounded like it was comeing from the distributor area... It didn't sound like it's a belt, was behind the water pump (or so it sounded)

Thoughts?

http://img535.imageshack.us/img535/3501/img03221.mp4

Here are a few pics if anyone is interested - Picasa Web Albums - wade.leishman - Twain Harte 2010
Seriously? Nobody has ever heard this before?
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post #3 of 20 Old 02-14-2010, 04:47 PM
Black01TJ
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It sounds like some sort of bearing failure.......Maybe something small, like an idler, or it could be something worse.
Are there any other indicators? Like a rough and/or low idle, hesitation when you step on the gas? Does the sound grow with the RPM's?

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post #4 of 20 Old 02-14-2010, 04:52 PM Thread Starter
SuperWade2
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Originally Posted by Black01TJ View Post
It sounds like some sort of bearing failure.......Maybe something small, like an idler, or it could be something worse.
Are there any other indicators? Like a rough and/or low idle, hesitation when you step on the gas? Does the sound grow with the RPM's?
No other indicators at all... and it only does this until it warms up (and not every time it's cool) ... after about 5-10 mins, no sound...
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post #5 of 20 Old 02-14-2010, 04:59 PM
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Just off the top of my head, I would say that you managed to get some water and/or debris into a bearing unit somewhere.... i.e. your a/c compressor, alternator, or (somehow) in your distributor. I would do the "stick" method to locate the problem...... take a stick or broom handle (minus the broom bit) and hold one end to your ear and touch it to different parts of the motor. The sound should get louder the closer you get to it.
Be careful of moving parts!

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post #6 of 20 Old 02-14-2010, 09:11 PM
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X2 /\
Idler pulley, alt.

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post #7 of 20 Old 02-15-2010, 03:26 PM Thread Starter
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Bump for anyone else that might have heard something similar... I moved a broomstick arround touching different stuff, and got no closer to finding what was making the noise (but I do get to go buy a new broom!)...

Randomly replacing stuff since I can't find the noise is going to get expensive!
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post #8 of 20 Old 02-15-2010, 03:36 PM
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For a quick check, take the belt off and crank it up. See if it still does it. If it still does you know its not something the belt is turning! If it not something the belt is turning I would look at the distributor.
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post #9 of 20 Old 02-15-2010, 04:44 PM
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someone had this problem a while back, the tread was something about " laughing monkey under my hood" or something about a laughing monkey. ill try to find ti

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icequeen's got something sticky in her hair from some dude named zach
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post #10 of 20 Old 02-15-2010, 04:45 PM
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Found it http://www.jeepforum.com/forum/f9/wh...-angry-876488/

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icequeen's got something sticky in her hair from some dude named zach
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post #11 of 20 Old 02-15-2010, 07:32 PM
Slithering_Joe
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Distributor bearing or bushing.

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post #12 of 20 Old 02-15-2010, 08:07 PM Thread Starter
SuperWade2
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Yah, that's sure what mine sounds like... I"m not sure if I have that same doohicky on mine....that thread was from a 06 and my 99 doesn't even have what they are talking about replacing... that's about where my Distributor is...

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post #13 of 20 Old 02-15-2010, 08:46 PM
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Its the dizzy
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post #14 of 20 Old 02-15-2010, 08:55 PM Thread Starter
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Its the dizzy
Do I get to replace the whole thing, OEM Replacement, or are there better aftermarket options?
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post #15 of 20 Old 02-15-2010, 09:16 PM
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Originally Posted by SuperWade2 View Post
Do I get to replace the whole thing, OEM Replacement, or are there better aftermarket options?
Its the bearing on the dizzy shaft that's squeaking. Far as I know, its a non serviceable part. I've never heard of any aftermarket dizzy that is superior to stock, or even corrects the fact that crud gets down the shaft and it eats the bearing. So any new one would do the trick.
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