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Thread: Binding up in 4wd,,,,

  1. #1
    Join Date
    Feb 2010
    Posts
    101

    Default Binding up in 4wd,,,,

    Hello, I have a 95 K3500 dually, when its in 4wd and I back out of the driveway and make a sharp turn onto the road it binds up so bad the truck basically stops moving. Is this normal? Did they have a positraction front diff for these trucks?
    1995 K3500 Silverado extended cab dually auto trans. Diamond Eye exhaust, KOJO chip, manual boost control, HD cooling, PMD behind bumper, modified fan clutch.

  2. #2
    Join Date
    Mar 2000
    Location
    South Central Pennsylvania, USA
    Posts
    2,697

    Default

    You never want to use 4WD on pavement for precisely that reason. Only use it when you’re going to have some slip somewhere - mud, dirt, snow, etc.
    '94 GMC 6.5TD K1500 4L80E 2-Door Yukon SLE 221K
    '93 Chevrolet 6.5TD K2500HD NV4500 Std. Cab Longbed 187K
    '85 Toyota 22R RN60 4x4 Std. Cab Shortbed 178K (Currently retired for rebuild)
    Diesel Page Member #2423

  3. #3
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

    Arrow

    That isn't normal, but it's normal. As said, you should never engage and drive in 4x4 when you'll have traction on all 4 wheels, such as on dry pavement. It isn't normal because the drivetrain should not bind. However, if you engage 4x4 and have good traction at all 4 corners, it will bind when turning, which is normal. The good news is, your 4x4 works. The locking rear differential, if it has that, can cause a similar condition, but it won't be the same. The 1995+ trucks have a Gov-Loc system, which is 100% open until a significant L/R wheel speed differential exists.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

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