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Thread: dana 18 problems

  1. #1

    Default dana 18 problems

    i just got my dana 18 guts put into a dana 20 case because i broke the case on the d18 but the case has the twin stick set up and its hard to shift from 2wd and 4wd some time does the case need to be put into neturel to shift first or is there any adjustment????????????????

  2. #2
    Join Date
    Sep 2010
    Location
    Culver City, CA
    Posts
    46

    Default Re: dana 18 problems

    You should look up the repro shift decals on herm's site or maybe Morris 4x4. Much easier than trying to explain it in txt.
    Posted via Mobile Device

  3. #3

    Default Re: dana 18 problems

    wats herms site

  4. #4
    Join Date
    Sep 2010
    Location
    Culver City, CA
    Posts
    46

    Default Re: dana 18 problems

    Hermtheoverdriveguy.com
    And you'll find that the 2wd to 4wd locks into 4wd when the hi, N, low lever is in low. I'm not sure the decals illustrate this feature.
    Posted via Mobile Device
    Last edited by CJ5-GCR; 11-26-2010 at 05:13 PM.

  5. #5

    Default Re: dana 18 problems

    i know the shifter pattern but the levers are hard to shift sometimes . think its because it new or just rebuilt ?

  6. #6
    Join Date
    Sep 2008
    Location
    Roseville CA
    Posts
    231

    Default Re: dana 18 problems

    Sounds pretty normal, try shifting into reverse and letting the clutch out and then try shifting the transfer case. Sometimes when the hubs are locked the transfer case tends to bind up also
    '75 CJ5 360, Boxed frame shackle reverse and sprung over, NP435, twin stick D20 with D18 low range gears, Cherokee pedals brake booster and hydraulic clutch, Waggy axles with 538's, YJ springs, a Detroit in the rear and a Ausse in the front, 35's, on board air, welder and shower. GM throttle body injection. Wheel it like you stole it.

  7. #7
    Join Date
    Jul 2005
    Location
    Chanute, Kansas
    Posts
    816

    Default Re: dana 18 problems

    I've found that I can shift into 4WD at just about any speed if I first load the drive line by, while rolling in gear, giving it a little gas to shift the weight back then push in the clutch and it shifts right in.
    To shift out, again while rolling in gear, I'll give it a little gas then let off the gas and allow the weight to shift forward then push the clutch in and it shifts right back out.
    Give it a shot, it works on just about every gear driven transfer case I've tried. Even worked on the chain driven case in my dads old Bronco II.
    '60 Willys CJ-5 + '65 L76 Corvette = Corveep

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