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2018 ss rear end

This is a discussion on 2018 ss rear end within the General Help - 6th Gen forums, part of the 6th Generation Chevrolet Camaro category; my 2018 ss rear end hit 10k miles and the rear end moans on turns when first driven. same with ...

  1. #1
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    2018 ss rear end

    my 2018 ss rear end hit 10k miles and the rear end moans on turns when first driven. same with traction control off. any thoughts

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    Black & Blue
    '02 WS.6 / '07 Suburban

    Moans? As in the gears or posi unit are making noise?

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    how can i tell the difference

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    '02 WS.6 / '07 Suburban

    If it is only making noise in turns, I would suspect a wheel bearing before a posi. If the noise is not constant, then not likely the gears. Another thing to check -- your rear brake calipers. It is not unknown for them to come loose and start making noise before all hell breaks loose.

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    Isn't a 2018 under warranty?

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    2016 Camaro SS - Summit
    2001 Trans Am WS6 - NBM

    Need to take it to the dealer, it needs a fluid swap at the very least. I believe there is a TSB out for rear diff issues. This has been happening since the 2016 release, pretty disappointing to see it still happening in newer models :/

    Edit: GM Technical Service Bulletin 09-04-20-001E unless it has been superceded by a newer version, as at the time this was for 2016-2017 models, 2018 hadn't started rolling out yet.
    Last edited by Y2KArcticSS; 11-16-2018 at 08:21 AM.

    2016 Summit White 1SS - The DD - Mishimoto catch can, Solo axleback & secondary cat delete, LED sidemarkers & reverse lights, head/taillight blackout, RCC custom badges
    2001 NBM Trans Am WS6 - Torquer V2 cam, Yank 3000 stall, Transgo kit, Racetronix fuel pump, TSP LTs, Magnaflow catback, 17x9.5/17x11 TTII's
    2000 Arctic White SS #1667 - Sold

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    Super Moderator mrr23's Avatar
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    2014 camaro 2ss/rs

    there is a TSB out about the cv axle bolts coming loose at the pumpkin. they have to replace with longer bolts and lock washers.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes

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    Super Moderator mrr23's Avatar
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    TSB # 16-NA-399

    Subject: Information on Replacing Half Shaft Fasteners with Revised Parts



    Brand:


    Model:


    Model Year:


    VIN:


    Engine:


    Transmission:

    from


    to


    from


    to

    Cadillac


    ATS-V


    2016


    2017


    LF3, LF4, LT1, LT4


    CTS-V


    2015


    2017

    Chevrolet


    Camaro


    2016


    2017



    Involved Region or Country


    North America and N.A. Export Regions

    Condition


    The technician may need to perform a repair that requires the half shaft bolts to be removed.
    Information


    This bulletin advises the Service Technician of new longer bolts and lock washers required to be installed during any repair that requires the half shaft bolts to be removed or replaced.

    Three retainer assemblies required per half-shaft.
    Each retainer (3) requires 2 bolts (1) and 2 washers (2) to make a retainer assembly.
    Where applicable, each axle assembly uses 3 retainer assemblies per side.
    Each repair kit contains 6 bolts and 6 washers. 1 kit for each half shaft.
    Replacement of all axle bolts are required during repair.

    Correction


    If half-shaft has been separated from the differential:

    Remove and discard only the half shaft bolts.
    If required, clean and reuse retainers.
    Replace the shorter bolts (1) with a new longer bolt (2) and washer.
    Install the lock washers onto the bolts.
    Install bolt and washer assembly into retainer.
    Torque bolts to proper torque specifications. Refer to Fastener Specifications in SI.

    Service stock half shafts may include POA bolt/retainer assemblies. These assemblies may require rework with longer fasteners.

    The new half shaft bolts must be removed, measured and discarded if the length is incorrect.

    Parts Information

    Note: To obtain the bolts and washers, fax the form included in this bulletin to the GM Warranty Parts Center (WPC). Request WPC #816.

    Use the Vehicle Identification Number (VIN), SI, and the GM Electronic Parts Catalog to determine the proper part numbers for the half shaft, if replacement is required:

    Description


    Part Number


    Qty

    Bolt/Washer


    WPC #816


    1 kit (6 bolts/6 washers)



    IMPORTANT NOTE WHEN PRINTING THIS FORM: If the form prints out on two pages, make certain you fax BOTH pages so that the WPC receives all the needed information. Missing information will delay or prevent the part from being shipped.

    Parts Request Form – Warranty Parts Center

    Use this form ONLY for U.S. and Canadian Dealers. Export markets and Mexico Dealers must contact their regional Technical Assistance Center for assistance.

    To: Warranty Parts Center



    e-mail: warrantypartscenterUSA@gm.com



    or WPC Fax: 248-371-0192



    Attn: Temporary Service Parts



    Part Being Requested: WPC #816 Bolt and Washer kit

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