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Removing big cam water lines

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Dino soar, Nov 16, 2018.

  1. Nov 16, 2018 #1
    Dino soar

    Dino soar Road Train Member

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    I need to remove the steel line that goes from the oil cooler to the thermostat housing on a big cam Cummins.

    Are there any tricks to Breaking that line loose? Just to be clear I'm talking about the one inch or so diameter steel tube that is held in by O-rings and I think there is a U-shaped clamp on one end.

    And when I reinstall it do I put some type of sealant in there?
     
    Dino soar, Nov 16, 2018
    Dino soar, Nov 16, 2018
    #1
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  3. Nov 16, 2018 #2
    pup

    pup Light Load Member

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    I'd spray the ends with some penetrating oil to help loosen things up a bit. If the tube is loose but doesn't have the room to slide out you may have to remove the 4 bolts that hold front water manifold section to the head. That should allow enough clearance to remove the tube.
    No sealant needed at assembly. Just clean the bores & assemble with some oring lube.
     
    pup, Nov 16, 2018
    pup, Nov 16, 2018
    #2
    Dino soar Thanks this.
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