Noise from the front diff. - JeepForum.com
 
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post #1 of 12 Old 08-22-2019, 11:06 AM Thread Starter
MrJimBeam
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2006 WK 
 
Join Date: Apr 2011
Location: Copenhagen, Denmark
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Noise from the front diff.

Hi

I have a abrasive sound from my front diff.

It's only apparent when turning and when the car seems cold.

When I have been driving for 5-10 min the sound goes away.

I have tried with new fresh olie.

What can it be and how do i fix it?

Br
MrJimBeam

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post #2 of 12 Old 08-22-2019, 01:47 PM
Raffish
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Why so certain it's the diff?

Codes?

Front prop shaft can make some nasty noises when it starts to go..

05 WK Limited 5.7, QDII, OME HD, 265/70/17 1.25" Spydertrax, CC, MBRP SS, 250xxxkms
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post #3 of 12 Old 08-22-2019, 09:52 PM
underscore
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Do you have QDII? Does it have the correct amount of additive? In my experience even after changing it with the correct fluid it takes a few days for the noises to clear up.

07 WK CRD//QDII//OME MD//OMG WTF BBQ [daily]
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post #4 of 12 Old 08-23-2019, 12:28 AM Thread Starter
MrJimBeam
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Hi,
@Raffish I suspect the diff as it's apparent only when turning. what to you mean by "codes"?
@underscore Yes it's and Overland with QDII. I assume it has the correct amount but are starting to doubt it. I'm afraid it's not day but weeks now :-(
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post #5 of 12 Old 08-23-2019, 10:25 AM
Raffish
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Is your Check Engine Light on? Because if it is there will be associated trouble codes that can be read with a scanner ( lots of cheap option, make sure you get one that reads transmission codes) that will point you in the right direction.

Noise when turning both ways or just one?

05 WK Limited 5.7, QDII, OME HD, 265/70/17 1.25" Spydertrax, CC, MBRP SS, 250xxxkms
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post #6 of 12 Old 08-23-2019, 01:22 PM Thread Starter
MrJimBeam
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@Raffish Arrhh okay, now i get it. No there is no error codes or warning lights.
The only symptom is the noise.
And yes it's when turning in both ways.
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post #7 of 12 Old 08-23-2019, 09:44 PM
underscore
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Get the additive from the dealer and get it in there, then drive it for a few days and see what happens. Mine was doing that for a while before I bought it, the diff still works fine (knock on wood) and I got the Jeep for half price because of that so I can't complain.

07 WK CRD//QDII//OME MD//OMG WTF BBQ [daily]
91 Celica GTFour RC [for sale]
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post #8 of 12 Old 08-24-2019, 01:41 AM Thread Starter
MrJimBeam
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Hi,

What olie/additive should i use?
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post #9 of 12 Old 08-24-2019, 05:35 PM
underscore
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I can't remember offhand but the Chrysler part number should be around here somewhere. It might be in the owners manual as well.

07 WK CRD//QDII//OME MD//OMG WTF BBQ [daily]
91 Celica GTFour RC [for sale]
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post #10 of 12 Old 09-12-2019, 01:54 PM Thread Starter
MrJimBeam
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I tried to replace the okie in the diff with the correct additives. But it didn’t fix the problem

Can’t it be the clutch pack assembly
making up the ELSD inside the diff. Meaning that the plates is stuck together and then after a little during they releases?
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post #11 of 12 Old 09-12-2019, 03:10 PM
underscore
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It could be the clutch assembly or the solenoid that controls it. Going from memory the solenoid can fail and stick closed or get gummed up.

07 WK CRD//QDII//OME MD//OMG WTF BBQ [daily]
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post #12 of 12 Old 09-13-2019, 12:19 PM
LouC
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Are you sure its coming from the front diff? You can have rust on the front brake rotors esp on the inner surface that will make noise when turning sometimes...I had a rusted brake shield that was actually contacting the back of the rotor...I replaced the rotors, cut off the rusted part and just coated it with rust converter. No more noise.
I also had a noise...that I thought was from the front diff, not turning only but all the time over 35 mph. It turned out to be the rear CV joint on the front driveshaft...a howling noise over 35 mph....when checking the joint there was obvious play between the joint and the transfer case flange.

Other possible sources:
front CV half shafts (any boots ripped?)
front wheel bearings...

I've changed the oil in the front and rear diffs on mine a few times and used the Mopar friction modifier and Mopar 75/140 gear oil and had absolutely no problems with the diffs on this Jeep.

2017 JK Unlimited Sport 6 spd
2007 WK Limited Hemi QDII
1998 ZJ Laredo 4.0 Selectrac
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