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  #1  
Old 04-03-2018, 11:59 PM
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Clicking sound from the rear end

I have a 2007 e70 4.8 and I seem to be having a clicking sound coming from the rear end. Sometimes it doesn’t make the sound if it’s warm/hot outside.
I originally thought that the sound was coming from the rear right wheel bearing but I’m not quite sure that’s the source. Not really sure what to do to confirm where this is coming from.
It seems like it’s louder when the car is coasting but it also does it when accelerating but it’s not as loud. The faster you go the more you hear it.
I replaced the rear right wheel bearing approx 2 years ago.
I’m just wondering what would I need to do to confirm where the sound is coming from. I don’t want to throw parts at it hoping that would solve it.
So far it’s either:
- Wheel bearing
- axle cv shaft
- differential

As a precaution I changed out the oil in the diff but no change. Any suggestions would be appropriated. TIA
Edit.
One thing I forgot to mention. My tires are getting a little worn and only on the rear right tire it has uneven camber wear. Not sure if that would narrow it down but worth to mention.

Last edited by asma123; 04-04-2018 at 12:11 AM.
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  #2  
Old 04-04-2018, 01:01 AM
ard ard is offline
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Quote:
Originally Posted by asma123 View Post
I have a 2007 e70 4.8 and I seem to be having a clicking sound coming from the rear end. Sometimes it doesnít make the sound if itís warm/hot outside.
I originally thought that the sound was coming from the rear right wheel bearing but Iím not quite sure thatís the source. Not really sure what to do to confirm where this is coming from.
It seems like itís louder when the car is coasting but it also does it when accelerating but itís not as loud. The faster you go the more you hear it.
I replaced the rear right wheel bearing approx 2 years ago.
Iím just wondering what would I need to do to confirm where the sound is coming from. I donít want to throw parts at it hoping that would solve it.
So far itís either:
- Wheel bearing
- axle cv shaft
- differential

As a precaution I changed out the oil in the diff but no change. Any suggestions would be appropriated. TIA
Edit.
One thing I forgot to mention. My tires are getting a little worn and only on the rear right tire it has uneven camber wear. Not sure if that would narrow it down but worth to mention.
Not much help on the noise....

On the tire wear, dont assume it is ONLY the camber. Too much toe will accentuate the camber wear. Set the toe to minimum, and balance toe and camber side to side to fix that wear issue.
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  #3  
Old 04-05-2018, 08:26 PM
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Join Date: Jan 2012
Location: Clear Lake, Texas
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BB_cuda is on a distinguished road
Put vehicle on jack stands or take to shop with lift. Make damn sure its well supported if you do this yourself. Use automotive stethoscope and listen to diff and outer hubs while someone is powering the X up from driver's seat. I suspected outboard hub bearings on a 2000 Mustang and was wrong. It was bearings within diff. Not saying this is case for you. Showing you a technique. If its CVs clicking you will have to decipher this while underneath.You can't touch those obviously while they're rotating.

I bought my stethoscope from autozone for $15 if i remember right. Good luck.
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  #4  
Old 07-12-2018, 10:17 PM
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Hi Guys,


Same thing here,right rear is almost bald within 7000 kms,more wear on the outside.Clicking noise is driving me nuts.Sometimes it disappears for a week or so and then reappears.


Did OP solve this problem?






Quote:
Originally Posted by asma123 View Post
I have a 2007 e70 4.8 and I seem to be having a clicking sound coming from the rear end. Sometimes it doesnít make the sound if itís warm/hot outside.
I originally thought that the sound was coming from the rear right wheel bearing but Iím not quite sure thatís the source. Not really sure what to do to confirm where this is coming from.
It seems like itís louder when the car is coasting but it also does it when accelerating but itís not as loud. The faster you go the more you hear it.
I replaced the rear right wheel bearing approx 2 years ago.
Iím just wondering what would I need to do to confirm where the sound is coming from. I donít want to throw parts at it hoping that would solve it.
So far itís either:
- Wheel bearing
- axle cv shaft
- differential

As a precaution I changed out the oil in the diff but no change. Any suggestions would be appropriated. TIA
Edit.
One thing I forgot to mention. My tires are getting a little worn and only on the rear right tire it has uneven camber wear. Not sure if that would narrow it down but worth to mention.
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  #5  
Old 07-13-2018, 01:30 AM
ard ard is offline
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Quote:
Originally Posted by diyanich View Post
Hi Guys,


Same thing here,right rear is almost bald within 7000 kms,more wear on the outside.Clicking noise is driving me nuts.Sometimes it disappears for a week or so and then reappears.


Did OP solve this problem?
WHAT ARE YOUR ALIGNMENT NUMBERS???
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