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Changing calipers on my 91 yj!

Discussion in 'Wrangler YJ (1986-1995)' started by Genos91, Dec 4, 2017.

  1. Dec 4, 2017 at 8:16 AM
    #1
    Genos91

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    Genos91 [OP] New Member

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    Guys help needed! I drive a 91 yj 127 miles a day from home to work for the last 6 years! It developed a sticky drivers side caliper so this weekend I replaced both calipers, pads, rotors and bled the them! I’m still not getting any brake on the front calipers. Tried bleeding the brakes the old fashion way, gravity bleed and pump bleed. I’m getting a solid stream of fluid just no brakes! Help!!!
     
    Genos91, Dec 4, 2017
    #1
  2. Dec 4, 2017 at 8:19 AM
    #2
    OFFGRID

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    OFFGRID Well-Known Member

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    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.
    Sounds like you have done everything right. I am at a loss. Try taking the calipers off the jeep and see if they will pump up. if so compress them down and reinstall them and try again with braking.
     
    OFFGRID, Dec 4, 2017
    #2
    JKBob 25, aggrex, Bob and 2 others like this.
  3. Dec 4, 2017 at 8:26 AM
    #3
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine Moderator

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    Welcome to the site!
     
    chris4x4, Dec 4, 2017
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    sxs texan likes this.
  4. Dec 4, 2017 at 8:28 AM
    #4
    Genos91

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    Genos91 [OP] New Member

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    Gene
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    4” lift, on 33s everything else is stock. 2.5l
     
    Genos91, Dec 4, 2017
    #4
  5. Dec 4, 2017 at 8:29 AM
    #5
    Genos91

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    Genos91 [OP] New Member

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    4” lift, on 33s everything else is stock. 2.5l
    Thanks! At this point I’ll try anything!
     
    Genos91, Dec 4, 2017
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  6. Dec 4, 2017 at 3:14 PM
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    aggrex

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    aggrex Well-Known Member

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    Welcome! After checking the brakes as described post#2 and brake fluid levels then consider the source for braking power...master cylinder?
     
    aggrex, Dec 4, 2017
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    OFFGRID, JKBob 25 and chris4x4 like this.
  7. Dec 4, 2017 at 6:18 PM
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    JKBob 25

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    JKBob 25 Well-Known Member

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    Welcome to the forum Genos91.
    Agreed with above posts. Pull'em off and see it they pump up. Make sure fluid level is topped off.
     
    JKBob 25, Dec 4, 2017
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  8. Dec 8, 2017 at 8:38 AM
    #8
    Southeast Overland

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    Southeast Overland Well-Known Member

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    Which way are the calipers installed? I have seen a couple people install the calipers with the bleeders facing down. If they are installed with the bleeders down you will not be able to bleed them properly and that could be your issue.

    ~Jeff
     
    Southeast Overland, Dec 8, 2017
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    JKBob 25, aggrex and OFFGRID like this.
  9. Dec 8, 2017 at 11:34 AM
    #9
    OFFGRID

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    OFFGRID Well-Known Member

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    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.
    Good call Jeff! I have seen this also. Yes. Make sure your bleeder screws are facing up. If they are facing down they are on the wrong side left to right and right to left; swap them.
     
    OFFGRID, Dec 8, 2017
    #9
    Southeast Overland likes this.
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