GM Truck Club
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 2 of 2

Thread: rear end noise

  1. #1

    Default rear end noise

    hey guys new to the site and found lots of helpfull info maybe you can help with my problem i have a 99 half ton chevy silverado z71 i just replaced the rear diff with a factory gm locker and now i have a tapping or knocking sound around 30 mph i feel a little play in the drive shaft and to me it sounds like the transfer case but the 4wd works fine what could it be thanks for the help

  2. #2


    Best thing to do is to put the rear end on jack stands and have an assistant run it up to 30 mph.Get under there and pinpoint the noise. It could be anywhere under there but you wont know until you check it out.

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows

    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

Similar Threads

  1. Rattling noise from rear end
    By Chevy350 in forum General Chevy & GM Tech Questions
    Replies: 10
    Last: 03-29-2010, 11:11 AM
  2. Rear a/c noise...Help please
    By bighop1891 in forum General Chevy & GM Tech Questions
    Replies: 2
    Last: 03-23-2010, 02:40 PM
  3. Noise from the rear
    By 95rednc in forum General Chevy & GM Tech Questions
    Replies: 0
    Last: 12-06-2009, 02:13 PM
  4. rattling noise in the rear??
    By liv2hunt in forum Chevy Silverado Forum (GMC Sierra)
    Replies: 9
    Last: 06-03-2009, 10:44 PM
  5. rear noise
    By daveofhiram in forum Lifted & Offroad Suspension
    Replies: 2
    Last: 02-02-2008, 03:34 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts