Which Jake is Stage 1 or 2 or 3 ect on C-15 Cat

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Rmast001, Jul 10, 2013.

  1. Rmast001

    Rmast001 Bobtail Member

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    Jul 10, 2013
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    I have a freind with A C-15 Cat in a Peterbuilt and Stage 1 of the Jake has quit. Stage 2 & 3 work but with 2 & # on its still only jaking on 4 Cylinders. Just need to know which is the #1 bank so he can pull the right Valve cover the 1st time.
    Thank you all in advance.
    driverturbo
     
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  3. Superhauler

    Superhauler TEACHER OF MEN

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    keep stroking.
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    1 is the center jake.
     
  4. CbarM

    CbarM Heavy Load Member

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    Has he diagnosed the wiring all the way from the switch at the dash yet? It could just be the dash switch malfunctioning...n might save ya a valve cover gasket.
     
  5. Rmast001

    Rmast001 Bobtail Member

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    Jul 10, 2013
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    I think so. He is fairly certain his problem is under a cover but wanted to make sure to pull the correct one first.
     
  6. Superhauler

    Superhauler TEACHER OF MEN

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    keep stroking.
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    you can run a hot wire from alternator and energize the jake solenoid at idle to see if the solenoid is good.
     
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