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Thread: Rearend clunk

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  1. #1
    Join Date
    Jan 2008
    Posts
    170

    Rearend clunk

    Ok guys I'm thinking this clunking noise is just my rear limited slip being shot., but I'm not sure. It make a clunk only when I take off and only once then I'm ok till I stop again. Any thoughts whats a new limited slip going to cost a guy? Thanks everyone!!!
    Jeremy
    2000 Sierra 4x4 Denali front, 5.3, 3/4 drop, 22 foose speedsters, roll pan, Cold Air, Cat-back.

  2. #2
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    It is your stock Grenade 80. It;s not a big deal. It is on its way out though. Be prepared to purchase yourself a nice Detroit TreuTrac. You can get it shipped to your door with new shims, bearings, and gaskets for $440 from Ron's Machine Shop on Ebay. You need the GM 8.6 10 bolt 30 spline.

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  3. #3
    Join Date
    Feb 2008
    Location
    Alabama
    Posts
    516
    U joint

  4. #4
    Join Date
    Jan 2008
    Location
    Malvern, AR
    Posts
    93
    I thought it was a 8.5 ??
    99 GMC 5.3 RCSS, K&N, E-Fans, Headman Shorties, Built 4L60E, 220/220 .581/.581 112, 80mmm TB, Nelson Tuned

  5. #5
    Slimsilverado Guest
    It is a 8.625" if you wanna get all technical. the 6 lug rear ends are a lil bigger n beefier than the 5 lug 10 bolts.

  6. #6
    Join Date
    Oct 2007
    Posts
    170
    Quote Originally Posted by Slimsilverado View Post
    It is a 8.625" if you wanna get all technical. the 6 lug rear ends are a lil bigger n beefier than the 5 lug 10 bolts.
    he called gm 8.6 beefy hahahaha
    02 Sierra... motorless for now.
    02 SS.. stock bottom 4.8, 241's, 224-220/116+4, 918's and pushrods, front mount turbonetics 78mm, HKS GTII, TiAL, eBoost2, Yank PT3600, Performabuilt 60e, solid motor mounts. Tuned by me with HP Pro and LM2/AFX

  7. #7
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    OK FINE. 8.625. EAD Brian.

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  8. #8
    Join Date
    Jun 2007
    Location
    saratoga springs ,new york {upstate ,adirondacks }
    Posts
    1,878
    definate;y check your u joints tho buddy b4 you buy a rearend.jack it up and see if you have anything unusual going on withem.lift up and down ,side 2 side .and you could take five minutes and just pull the shaft and seee how they are .if u have acces to a lift have someone put it in gear wile ure under EASILY put in gear.drive then reverse etc see if the shaft or joints are moving at all .joint are famous for clicking also .its the easiest to hoop for.good luck.
    mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .

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