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  1. #1

    challenger 180 over heating, almost not cooling enough?????

    hi guys, i had this issue last year, i have a 2007 challenger 180, i pull a P1116 code, which is an engine overheat. it happens when I'm at WOT for about 8-10 mins. i have replace the thermostat and housing. i shot the motor with a thermo gun, engine was at 250 degrees but the lines going to the ride plate were at 160-170. seems like the cooling system just isn't keeping up. any advise???? i have shot the lines when the motor is at idle after the code was thrown and it does start to cool down, just not fast enough.


  2. #2
    gone fishing sucks2bu's Avatar
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    J pipe may be clogged/blocked by debris. Take out and look at bottom 3 holes. If any are blocked you found your problem. Drill the 3 holes a step bigger. Easier for sand and small debris to pass through the system if you beach your craft or drive through shallow water.

    Check small mesh filter that is in the jet pump to make sure it's in there. I've seen seaweed lodged in there and block most water flow into engine.

    Check both nipples at the back of the exhaust manifold. Sometimes they get clogged and j pipe/water box will not get enough water and rear sensor will go off.

    I think that's more or less it if you aren't leaking coolant.

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    This is how I run a jetski shop in the desert nmpeter's Avatar
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    backflushing the engine thru the jetpump garden hose connector often does the trick, follow above advice too, especially if you've beached the boat

  5. #4
    Quote Originally Posted by sucks2bu View Post
    J pipe may be clogged/blocked by debris. Take out and look at bottom 3 holes. If any are blocked you found your problem. Drill the 3 holes a step bigger. Easier for sand and small debris to pass through the system if you beach your craft or drive through shallow water.

    Check small mesh filter that is in the jet pump to make sure it's in there. I've seen seaweed lodged in there and block most water flow into engine.

    Check both nipples at the back of the exhaust manifold. Sometimes they get clogged and j pipe/water box will not get enough water and rear sensor will go off.

    I think that's more or less it if you aren't leaking coolant.
    Where is the mesh filter in the jet pump? Or should I ask how to access it?

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    This is how I run a jetski shop in the desert nmpeter's Avatar
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    You have to remove the impeller try back flushing first

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    This is how I run a jetski shop in the desert nmpeter's Avatar
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    And?.....

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    gone fishing sucks2bu's Avatar
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    Very few ever answer back once they figure it out. Just the way of the our fellow man. Mehhh.

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    This is how I run a jetski shop in the desert nmpeter's Avatar
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    challenger 180 over heating, almost not cooling enough?????

    when people fail to report back, I kinda overlook their posts in the future

    its the least they can do for tapping into the collective know how of the GH forum members

    Of course he might be back tomorrow..we can only hope, right?

    and folks..that's why you see me
    "and?....." so damm much

    I knocked off early today, damm zip tie cut my thumb pretty good.

    I hate hacks who for some reason must cut a zip tie at a 45 degree angle.

    on the other hand if I could stop feeding my tools to the trolls that live deep inside the hull.....
    Last edited by nmpeter; 08-02-2019 at 11:53 AM.

  10. #9
    gone fishing sucks2bu's Avatar
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    Quote Originally Posted by nmpeter View Post
    when people fail to report back, I kinda overlook their posts in the future

    its the least they can do for tapping into the collective know how of the GH forum members

    Of course he might be back tomorrow..we can only hope, right?

    and folks..that's why you see me
    "and?....." so damm much

    I knocked off early today, damm zip tie cut my thumb pretty good.

    I hate hacks who for some reason must cut a zip tie at a 45 degree angle.

    on the other hand if I could stop feeding my tools to the trolls that live deep inside the hull.....
    Ha! Nothing like sticking your arm in a very tight spot only to have that tiewrap/boobietrap activate once you begin to withdraw said limb.. lots of blood lost that way.

    I too have sacrificed plenty of 8mm, 10mm sockets and plenty of battery bolts to the belly of the beasts. A magnet and lady luck are your friends.

  11. #10
    bmxjoe's Avatar
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    Quote Originally Posted by nmpeter View Post
    when people fail to report back, I kinda overlook their posts in the future

    its the least they can do for tapping into the collective know how of the GH forum members

    Of course he might be back tomorrow..we can only hope, right?

    and folks..that's why you see me
    "and?....." so damm much

    I knocked off early today, damm zip tie cut my thumb pretty good.

    I hate hacks who for some reason must cut a zip tie at a 45 degree angle.

    on the other hand if I could stop feeding my tools to the trolls that live deep inside the hull.....
    Collective know how? Everyone that responded sent him down the wrong path! He said he had an ENGINE overheat. That has nothing to do with the open loop exhaust cooling! His closed loop cooling system (Engine) needs to be diagnosed. Pressure checked (including the cap) Antifreeze tested and verifying the cooling system was properly bled. Confirmation of the temp sensor accuracy should also be verified. After all this is taken care of if there are still issues, it is likely there is a blockage in the system somewhere or a blown head gasket.

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