Eaton Transmission Air Leak

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mechman, Dec 14, 2021.

  1. mechman

    mechman Bobtail Member

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    Dec 2, 2021
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    We have a Eaton RTLO-16913L-DM3 transmission. The air regulator/filter is hissing out a-lot of air. If I plug the Regulator exhaust port with my finger then air comes out the Range solenoid block exhaust port. This truck loses air relatively quickly while parked and this is the only leak I can find. Is this normal or what might be causing this?
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    Mind electrons are pushing some cobwebs around. Can we see a picture of that?
     
  4. BoxCarKidd

    BoxCarKidd Road Train Member

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    Aug 26, 2014
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    Mind electrons are pushing some cobwebs around. Can we see a picture of that?
     
  5. ChuckMartel

    ChuckMartel Light Load Member

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    Jan 22, 2021
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    I’d definitely start with replacing that regulator.
     
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