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Grinding sound in 4WD

Discussion in 'Cherokee' started by Cobrajetken, Feb 26, 2017.

Page 2 of 2
  1. Mar 10, 2017 at 9:48 AM
    #21
    OFFGRID

    #21
    OFFGRID Well-Known Member

    Joined:
    Oct 3, 2016
    Member:
    #317
    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    I believe it is a DANA 30
     
    OFFGRID, Mar 10, 2017
    #21
  2. May 19, 2017 at 9:30 PM
    #22
    cjsdad

    #22
    cjsdad Member

    Joined:
    May 19, 2017
    Member:
    #1480
    Messages:
    20
    Gender:
    Male
    First Name:
    Dailey
    albuquerque, NM
    Vehicle:
    1998 Cherokee Laredo
    No mods yet...
    I am new to the late model Cherokee so forgive me if this is completely wrong, but doesn't the front diff have CAD (Center Axle Disconnect), a vacuum controlled collar that engages the front axle when in 4X4? I have owned an 87 Cherokee, an '85 Dodge W150, and a '95 Dodge Ram 2500 that all had the vacuum actuator on the front diff. It is on the driver's side where your noise is coming from. If your 4X4 lever is not adjusted right, it may not be providing enough vacuum to engage the collar that locks the axle together. If that is the problem, it would make a terrible racket with the transfer case in 4X4 but the axle collar not engaged. Just a thought.
     
    cjsdad, May 19, 2017
    #22
  3. May 21, 2017 at 6:13 AM
    #23
    OFFGRID

    #23
    OFFGRID Well-Known Member

    Joined:
    Oct 3, 2016
    Member:
    #317
    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Cobrajetken, Did you ever figure out the grinding issue?
     
    OFFGRID, May 21, 2017
    #23
    JKBob 25 likes this.
  4. May 21, 2017 at 7:01 PM
    #24
    JKBob 25

    #24
    JKBob 25 Well-Known Member

    Joined:
    Mar 22, 2017
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    #1197
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    Male
    First Name:
    Bob
    Jersey Shore, NJ
    Vehicle:
    2016 JK Wrangler Sport
    I became a member here after this thread started. Picked it up recently. A very interesting read.
    I'd like to know the outcome too. Never know....i may have this issue at some point too.
     
    JKBob 25, May 21, 2017
    #24
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