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  1. #1
    New Member
    Join Date
    Apr 2012
    Posts
    3
    Location
    Wills point, Texas
    Tractor
    New holland tc18

    Default Tc18 losing power

    I have a Tc18 that will start and run perfectly for 15-30 minutes and then will start losing rpm's and power and will barely pull it's own weight. I can let it set for 20-30 minutes and it will start and run fine again. So far I have drained and cleaned fuel tank, new, fuel, new rubber fuel lines, new fuel filter, new air filters, took apart the exhaust system and blew out/cleaned also.

  2. #2
    Veteran Member jwstewar's Avatar
    Join Date
    Sep 2001
    Posts
    2,471
    Location
    South Central Ohio
    Tractor
    2003 New Holland TC24D

    Default Re: Tc18 losing power

    Check your fuel cap, maybe it is creating a vacuum and not letting the fuel out of the tank. Run with the cap loose for awhile and see what happens or run it until it dies and then loosen the cap and see if it'll restart immediately. I would try the first method though.

    I know you said new air filters, but is the hose going into the air filter assembly free of any obstructions? What about when you close the hood? When I first bought my TC-24D the operator's manual was stuck up in the hood and was actually pinching the air intake off and causing the tractor to stall.
    Jim
    New Holland TC24D

  3. #3
    New Member
    Join Date
    Apr 2012
    Posts
    3
    Location
    Wills point, Texas
    Tractor
    New holland tc18

    Default Re: Tc18 losing power

    Thanks for the tips. With the cap off and I kept the hood open just to make sure the air intake hose wasn't getting warm and collapsing it's still losing power. I did notice that when it starts acting up it's white smoking a little. I also tried bleeding the fuel system when it started with no improvement as well.

  4. #4
    New Member
    Join Date
    Jun 2012
    Posts
    3
    Location
    Belleville, Michigan (GO BLUE)
    Tractor
    Caterpillar 226

    Default Re: Tc18 losing power

    Did you find your issue ? Mine started doing the same thing ??

  5. #5
    New Member
    Join Date
    Apr 2012
    Posts
    3
    Location
    Wills point, Texas
    Tractor
    New holland tc18

    Default

    No I haven't still same thing

  6. #6
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Posts
    9,576
    Location
    Lincoln County, NC need new avatar!
    Tractor
    Just a Scag

    Default Re: Tc18 losing power

    Most recent fuel fillup was gasoline, not diesel fual.
    Spring is the season of optimism.

  7. #7
    New Member
    Join Date
    Sep 2012
    Posts
    2
    Location
    Rochester, NY
    Tractor
    New Holland TC-18

    Default Re: Tc18 losing power

    I am having the same exact problem. I found that cleaning out the fuel filter, replacing fuel filter, bleeding fuel and injectors still did not fix the problem. Yesterday I drained fuel tank, cleaned fuel tank from above with a wire bottle brush, noticed something rattling around inside the tank (I think this is a internal filter - couldn't remove it with pinchers) - in any case, what did you do to get yours back up and running? Richard rcadille@rochester.rr.com

  8. #8
    New Member
    Join Date
    Jun 2012
    Posts
    3
    Location
    Belleville, Michigan (GO BLUE)
    Tractor
    Caterpillar 226

    Default Re: Tc18 losing power

    I still have the same issues. Soon I will get to looking at it.

  9. #9
    Bronze Member
    Join Date
    Feb 2016
    Posts
    55
    Location
    SPRINGFIELD
    Tractor
    NH TC18

    Default Re: Tc18 losing power

    I am having the same issue. Changed the fuel filter last night but still loosing power after about 15 minutes of run time. I noticed that when I remove the gas cap it will help bring power back for a few minutes. I guess my next step would to drain and clean fuel tank.

  10. #10
    Platinum Member
    Join Date
    Apr 2010
    Posts
    761
    Location
    South Carolina

    Default Re: Tc18 losing power

    IF loosening the cap brings it back to life, then you have a vacuum situation..
    The pump is TRYING to suck the fuel from the tank & cant..
    Start looking for collapsed rubber fuel lines.. sucking down..
    You might not be able to see them externally..
    You could wait till the problem shows its ugly head & inspect the lines & try to SEE if they're collapsing..
    BUT.. it might be "internal"..??
    IF 3 people are having the SAME PROBLEM.. I'd say it was poorly purchased fuel lines.. OR tank caps, clogged vents..
    Let us know how you guys make out.. Thanks.

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