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2018 Cascadia Automatic Transmission / Clutch issues

Discussion in 'Freightliner Forum' started by Capital transport, Aug 17, 2022.

  1. Aug 17, 2022 #1
    Capital transport

    Capital transport Bobtail Member

    1
    0
    Aug 16, 2022
    0
    Hi
    I have 2018 cascadia newer model Automatic transmission. When truck is upshifting or downshifting and when truck touches 1200 goes it give more acceleration and rev goes to 1500 very fast and drops back to 1200 but stays in gear. It is doing this after shifting when rev touches 1200. Also when upshifting from 9th gear upwards it shifts to quick.
    Do you know what it can be?
     
    Capital transport, Aug 17, 2022
    Capital transport, Aug 17, 2022
    #1
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  3. Aug 17, 2022 #2
    uncleal13

    uncleal13 Road Train Member

    3,757
    6,199
    Apr 9, 2009
    Humboldt, Sk
    0
    Mine did that. Replaced the clutch.
    Was caused by a pinched wiring harness on the transmission.
     
    uncleal13, Aug 17, 2022
    uncleal13, Aug 17, 2022
    #2
    Timm1q and Capital transport Thank this.
  4. Feb 9, 2023 #3
    Timm1q

    Timm1q Bobtail Member

    9
    1
    Mar 14, 2022
    0
    So, the problem was just in pinched wiring harness? No clutch problem?
    I have almost the same problem right now. But it revs up when it shifts only to odd gears (4-5, 6-7,...)
     
    Timm1q, Feb 9, 2023
    Timm1q, Feb 9, 2023
    #3
  5. Feb 11, 2023 #4
    uncleal13

    uncleal13 Road Train Member

    3,757
    6,199
    Apr 9, 2009
    Humboldt, Sk
    0
    No. The wiring issue caused the clutch to actuate unexpectedly, leading to its failure.
    They replaced the wiring harness on the transmission, the TCU (Transmission Computer) and the clutch.
     
    uncleal13, Feb 11, 2023
    uncleal13, Feb 11, 2023
    #4
    Timm1q Thanks this.
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