Jake brakes on freightliner work intermittently.

Discussion in 'Ask An Owner Operator' started by Gerardob01, Apr 29, 2021.

  1. Gerardob01

    Gerardob01 Bobtail Member

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    Apr 29, 2021
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    I have an 05 freightliner columbia with a 14.l 60 series, my jake brakes work intermittently. if I hit a small bump on road they stop and when I hot another they start working. I already had the switch inside truck replaced and the jake brake housing replaced as well. Had them jakes rebuild. also getting an abs code 136 fmi 13 sid 5 any one have any suggestions??
     
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  3. SophiaWYO

    SophiaWYO Light Load Member

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    Your problems are electrical. Something isn't making good contact then a bump jars it. If it was an mechanical issue it wouldn't likely come back on after a bump. If you had the jakes rebuilt I'd take the truck back to the shop who re-built it and tell them to finish the job or find the root issue. You might have a broken wire.

    Good luck,

    Sophia
     
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  4. Gerardob01

    Gerardob01 Bobtail Member

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  5. Gerardob01

    Gerardob01 Bobtail Member

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    Thats what I was thinking its difficult for them to look for root of cause since it doesn't happen all the time idk I figured someone had the same problem
     
  6. SophiaWYO

    SophiaWYO Light Load Member

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    I had KIND OF similar issue: weak jake brakes. Mine turned out to be detent wear on the rocket shafts. Just happened to be time for an overhaul and my problems are now gone!!

    Good luck with your repair....

    Sophia
     
  7. Gerardob01

    Gerardob01 Bobtail Member

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    I appreciate your insight will get with shop to see if we vant get this fixed I just wonder why I have an abs code with retarder issue. that seems to be Jake's
     
  8. Old Man

    Old Man Road Train Member

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    Wiring harness under valve cover.

    check plug at ecm, jake control is on the big plug at back( facing firewall) the wires to the jake are the first ones below the notch. You can press on them with a awl or dental pick, make sure screw holding plug is tight.
    With a abs code you may have wires rubbing together, sometimes it’s easier to replace the harness than spending hours looking.
     
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  9. SophiaWYO

    SophiaWYO Light Load Member

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    First determine if the two issues are connected or just incidental to one another. Sometimes things happen at exactly the same time but have nothing to do with each other. I pray for you that they are separate issues and something simple like a broken connector or something.
     
  10. Gerardob01

    Gerardob01 Bobtail Member

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    very much appreciated thanks
     
  11. Anywhichwaybutloose

    Anywhichwaybutloose Light Load Member

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    Do you lose cruise control as well? Check the switch on the clutch. Might be loose.
     
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