Rear Diff groaning/moaning
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Professional
Joined: Mar 2004
Posts: 116
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From: Chicagoland Area
Rear Diff groaning/moaning
Lately I noticed that I have a wierd noise coming from the rear of my truck. I only hear it when I am backing up and turning the wheel. When I back up straight, I hear nothing. The noise sounds like someone is groaning. I changed the fluid in my diff and nothing changed. Any ideas? I have a feeling it has to do something with limited slip. Any help would be appreciated!
Champion
Joined: Jun 2005
Posts: 3,775
Likes: 0
From: Minnesota
RE: Rear Diff groaning/moaning
I know the LSD C-clip is a very common issue. Are you under warranty by any chance? If not, i'd go ahead and do a fluid change so you can rip the cover off and look for any visible damage inside.
Veteran
Joined: Jan 2007
Posts: 301
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RE: Rear Diff groaning/moaning
ORIGINAL: marv02
Did you add Limted slip fluid.
It could be a wheel bearing going out if it only doning this when making a turn.
Do you have summer air in you tires ?.
Did you add Limted slip fluid.
It could be a wheel bearing going out if it only doning this when making a turn.
Do you have summer air in you tires ?.
I like "Chinese" Fall air myself.
DC Insider
Joined: Aug 2005
Posts: 2,681
Likes: 1
From: cedar falls, ia
RE: Rear Diff groaning/moaning
ORIGINAL: Foiled
I like "Chinese" Fall air myself.
ORIGINAL: marv02
Did you add Limted slip fluid.
It could be a wheel bearing going out if it only doning this when making a turn.
Do you have summer air in you tires ?.
Did you add Limted slip fluid.
It could be a wheel bearing going out if it only doning this when making a turn.
Do you have summer air in you tires ?.
I like "Chinese" Fall air myself.
hmmm...sounds like a carrier bearing or axle bearing....i'd rebuild the rearend and throw in an Auburn LSD with a set of 4.10 or 4.56 gears lol...dont forget all new bearings & seals, along with a Mag-Hytech diff cover to hold more fluid and keep the rearend cooler
