42RLE Noise - JeepForum.com

 
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post #1 of 8 Old 02-15-2012, 09:12 AM Thread Starter
grpatter
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42RLE Noise

JF, I need your help on this one.

I know the manual is quite well known for it's 'marbles in a can' noise while the clutch is disengaged, but has anyone ever heard similar things in the auto?

It's an 05 LJ, and gives a strange whirring/'marbling' noise when near shift points. If I give it a bit more pedal it'll shift and stop, or if I let off a bit it'll stop. This usually happens between 3 and 4, but has happened between 2 and 3 as well.

Any thoughts?

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post #2 of 8 Old 02-15-2012, 09:30 AM
Jeeprogue
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sounds like your low on fluid, did you check it?
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post #3 of 8 Old 02-15-2012, 10:11 AM
4banged
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Definitely not normal. The torque converter locks up in 3rd and 4th so maybe there's something wrong there but you'd have to take it to the dealer or tranny shop to diagnose that. I think we have the same tranny (42rle) and mine doesn't make any weird noises.
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post #4 of 8 Old 02-16-2012, 07:51 AM Thread Starter
grpatter
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Yeah, fluid was the first thing I checked, still looking good there

4banged: Good (or bad..) to at least know this isn't normal, I'll keep looking and run by the shop to see what's up.

Thanks
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post #5 of 8 Old 02-16-2012, 08:51 AM
timberwolf0122
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Quote:
Originally Posted by grpatter View Post
Yeah, fluid was the first thing I checked, still looking good there

4banged: Good (or bad..) to at least know this isn't normal, I'll keep looking and run by the shop to see what's up.

Thanks
Just to be 100% when you check your fluid did you have the engine running and the transmission in Neutral? This is the correct way as the torque converter is engage this way and the fluid is pumping, otherwise you'll get an artificially high reading.

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post #6 of 8 Old 02-23-2012, 09:03 AM Thread Starter
grpatter
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Update here: @timberwolf : Yeah, that's how I've been checking it.

I went ahead and did a full flush of the fluid this past weekend so I could take a look. The fluid didn't *look* too bad (though that doesn't really mean much), and I didn't notice any shavings/flakes in the pan either. It may have been wishful thinking but it seems like it was *slightly* less audible for a couple days after the change, but it's definitely still there.

Not sure if this is helpful, but I had a friend with me the other day listen and he said he could feel some slight vibration in the passenger side nearish the front when it was making the noise that went away when it wasn't.

It almost feels like it's not fully engaging something (though the change is very very slight) and either less/more throttle gets it back into synch, if that makes any sense.
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post #7 of 8 Old 02-23-2012, 10:39 AM
Brainwashed2566
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Quote:
Originally Posted by grpatter View Post
Update here: @timberwolf : Yeah, that's how I've been checking it.

I went ahead and did a full flush of the fluid this past weekend so I could take a look. The fluid didn't *look* too bad (though that doesn't really mean much), and I didn't notice any shavings/flakes in the pan either. It may have been wishful thinking but it seems like it was *slightly* less audible for a couple days after the change, but it's definitely still there.

Not sure if this is helpful, but I had a friend with me the other day listen and he said he could feel some slight vibration in the passenger side nearish the front when it was making the noise that went away when it wasn't.

It almost feels like it's not fully engaging something (though the change is very very slight) and either less/more throttle gets it back into synch, if that makes any sense.
Just curious, how many miles on the LJ?

2005 White LJ Mild Build = Fun Rig
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post #8 of 8 Old 02-23-2012, 11:23 AM Thread Starter
grpatter
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Quote:
Originally Posted by Brainwashed2566 View Post
Just curious, how many miles on the LJ?
Just hit 75k
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