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All new brakes but still soft parking brake the reason?

Discussion in 'Wrangler YJ (1986-1995)' started by Tyson, Jul 29, 2019.

  1. Jul 29, 2019 at 4:04 PM
    #1
    Tyson

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    Tyson [OP] New Member

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    i just built a 1994 Jeep Wrangler with my son. Brakes were working but shoes, drums etc were all worn. I replaced everything to do with brakes, rotors, calipers vacuum booster, master cylinder, lines, drums, shoes and hardware. EVERYTHING. I've bled and bled and bled the brakes, they stay soft. If I pump them 4-5 times they work ok. Then when I let up, wait for a minute they drop back down. They hardly work at all. I've noticed the front brakes grab but you have to pump it several times to get the back to grab. I have tried adjusting the rear brakes. One thing I'm not sure if this is the problem or not. When I had it a part the the parking brake cables were broke and rusty. I removed all the parking brake cables and the two levers that hook to the rear shoes. Somehow those levers disappeared. I put it back together with out them. Is that the problem? I have tried to find new ones but can't find them anywhere. Not oriellys, not at the dealership, not any of the jeep magazines. Any ideas? Thank you
     
    Tyson, Jul 29, 2019
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  2. Jul 29, 2019 at 4:07 PM
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    Tyson

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    Tyson [OP] New Member

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    I bought all new parking brake cables and planned on getting the e brake working, just can't find the levers.
     
    Tyson, Jul 29, 2019
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  3. Jul 29, 2019 at 5:26 PM
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    aggrex

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    aggrex Well-Known Member

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    Welcome @Tyson ...the parking brake cables is a separate issue. If the MC was not properly bench bled you may still have air trapped in there...just my thoughts. Might be able to find similar drum brake levers in the pull-part yards
     
    aggrex, Jul 29, 2019
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    JKBob 25 likes this.
  4. Jul 29, 2019 at 7:43 PM
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    JKBob 25

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    JKBob 25 Well-Known Member

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    Welcome @Tyson . Brakes are tricky. Gotta be OCD like with them.
    As far as the handles or levers your looking for. I did a qui k search here in NJ. And nothing came up. Problem is. Jeep owners just refuse to scrape yard their Wranglers.
    Good luck. Post up your finds and repairs.
     
    JKBob 25, Jul 29, 2019
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  5. Jul 29, 2019 at 7:52 PM
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    Jim Beam

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    Jim Beam Well-Known Member

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    I an sure you have air in the system somewhere. Properly bench bleeding the master is a factor. The proportioning valve is another culprit. Like if you let the prop valve drain out while you changed brakes, getting all the air out is critical. I would suggest lots of bleeding to get all the air out.
     
    Jim Beam, Jul 29, 2019
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    JKBob 25 likes this.
  6. Jul 29, 2019 at 8:05 PM
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    JKBob 25

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    JKBob 25 Well-Known Member

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    As i said....be OCD like.......@Jim Beam makes a great point.
     
    JKBob 25, Jul 29, 2019
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  7. Jul 30, 2019 at 2:08 AM
    #7
    Awrench

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    Awrench Well-Known Member

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    welcome to the forum

    Some ideas
    As mentioned BLEED and do it again, I am spoiled and swear by power bleeding.
    You did not mention is this a ANTILOCK brake system?

    Those levers - look at the diagram get the OEM part # to aid search, the part MAY have been used on other chrysler products so google as a chrysler # not limiting yourself to jeep - that the search may lead you to find a scrapped XYZ* that is more popular in junk yards.


    * maybe used on the 1995 neon d50 IDK but try
     

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    Awrench, Jul 30, 2019
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