13 speed Eaton. Slow grande shift an no splitter

Discussion in 'Freightliner Forum' started by W Bench Farms, Aug 24, 2023.

  1. W Bench Farms

    W Bench Farms Light Load Member

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    Oct 16, 2017
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    Rebuilt about 20k miles ago. Shifted fine yesterday. Today it is slow to shift to hi range and won't split to the high side. Not sure if a sticking slave valve would cause it. Open to ideas on what to check.
     
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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    May 2, 2021
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    Check air supply first. Shoud have 58 psi out of the filter regulator
     
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  4. W Bench Farms

    W Bench Farms Light Load Member

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    Oct 16, 2017
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    Made it back to the shop. 350 miles at 55 mph on the low side of the splitter. Pulled the regulator off and opened it up. Didn't see anything in it, but may have had a piece of dirt in it. Air pressure at the shifter seemed low. Added a good bit of air tool oil. Seems to have fixed the issue. Fingers crossed.
     
    Cattleman84 Thanks this.
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