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front diff noise

is it normal

front diff noise

Postby countryducky124 [OP] » Nov 01 2012, 12:47am

i was doing my monthly 4x4 check last night. in 4 low i hear a whining noise but i dont hear it in 4 high.i know its coming from the front.(99% sure) is this normal or should i rip it apart and start inspecting. im not sure the last time it was serviced but thats on my to do list for the next paycheck.
2006 chevy silverado 1500 LS
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Related Topics  2006 Silverado - Rear Diff / Front Diff Oil Replace   front diff   Front Diff Seals   '06 2500HD 6.0L Front Diff R2   Front transfer or Diff! Need help!   Front Diff Capacity   Front diff locker   front diff axle retainers   I think my front diff unlocking under load?   Front bumper diff between two of my trucks   Another t-case/front diff issue.   front diff yoke bearing replacing   Shaving front diff for RC 3.5 lift? Difficulty   Front Diff fluid: 75w-90 or 80w-90?? 
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Re: front diff noise

Postby ASTE25 » Nov 01 2012, 2:47am

Normal noise. It is coming from the gear reduction in the transfer case.
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Re: front diff noise

Postby countryducky124 [OP] » Nov 02 2012, 12:00am

thanks this easis my mind
2006 chevy silverado 1500 LS
Extended Cab 4x4
HD Cattle Guard blacked out logo
Flowmaster 40 with black tip
Original Poster
countryducky124
Firing on 3 cylinders [L1]
Firing on 3 cylinders [L1]
Posts: 39
Topics: 12
Images: 8
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Joined: Sep 25 2012, 12:59am
Years of membership: 1 year of membership
Location: CLOVIS NM
Year: 2006
Make/Model: Chevrolet Silverado
Extra Info: 1500 LS ZVIN 5.3 4X4
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Re: front diff noise

Postby 11 Silverado » Nov 02 2012, 12:17am

I would still go ahead and drain and refill the diff. if it has not been done in a while. Maintainance is key to making things last. Plan to do mine soon as well. About 10K on mine, and I want to change to synthetic, in the front and rear diffs.
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