changed 1 injector, oil went into cylinder..... HYDROLOCKED???? - Ford Powerstroke Diesel Forum
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Old 01-20-2010, 04:13 PM
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changed 1 injector, oil went into cylinder..... HYDROLOCKED????

so i replaced 1 injector and went to fire it up and the starter bined up like it hydrolocked from the oil going into the cylinder.so i let it sit for a min, and turned it over again and it sputtered a little bit then fired up and was running rough. so i turned it off again. if it hydrolocked a little bit, do you think i could of bent a rod?? i hear that the injector takes a while to fill w/ oil. and i needed a valve cover gasket becuase 1 side shorted and melted so the truck sits.

do you think that i could of bent a rod. i hear these motors are pretty strong. it is just worrying me a little bit. THANKS FOR YOUR HELP!
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Old 01-20-2010, 04:19 PM
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it takes a whle to get hte air out of the HPOP rails and such, but yes, hydro locking can bend rods.
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Old 01-20-2010, 04:23 PM
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not good i would look into it and check it out well before going any farther
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Old 01-20-2010, 04:32 PM
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what should i check for, im letting the oil drain out of the cylinder tonight, and the new harness will b in tomorrow, how will i know i bent a rod?? and is there a chance that it is not bent. it only bound up while cranking, and i stopped till it fired up, but i dont think that injector is firing, it literally ran for 5 sec before i shut it down.
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Old 01-20-2010, 04:39 PM
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1 sec is enough to do damage and i am not sure how to check without tearing the motor down maybe someone else will chime in with more knowledge
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Old 01-20-2010, 04:52 PM
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yes someone help this is driving me nuts.... ive talked to a few buddies and they said that the motors are pretty stout. so chances are that nothing happened.. woulnt you blow a ring before you bend a rod.
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Old 01-20-2010, 04:57 PM
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all i did was change an injector, i mean come on! and all of the injectors prob had a little oil in them becuase i just changed all of the glow plugs also.
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Old 01-20-2010, 04:58 PM
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Yeah I would say you'll be alright. Did you say a harness is melted on there?? I would fix that first. And run it down the road to get all the air out of the oil rail.
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Old 01-20-2010, 05:10 PM
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Pull the glow plug for that cylinder and crank the engine over to clear the cyltinder of oil and fuel. Then try again
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Old 01-20-2010, 07:37 PM
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do what kidmgster said only way to free it up. better have some good batteries
theres a allen wrench plug in the head toward the front of the block to drain the oil. prevents it from draining,its what ford techs do when they change out the orings.now if ur changing the whole injector then just as soon as u get it out oput the other in. also get a crows foot works the best on pulling out.
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