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Hydro lock assitance needed

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Old Mar 27, 2006 | 05:37 AM
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Unhappy Hydro lock assitance needed

Hello everybody have found a lot of information on the site it all good need help to work out what to do next.I think that I have bent rod or rods was pulling up to a set of lights on the brakes slowing from about 15 mph no acceleration and the engine lost power running on about 3 cyl and sounding like someone was bashing on the block with a big hammer for about 5 seconds and a lot of smoke grey and white and a bit of black, engine returned to normal except for a ticking noise and running a little rough, checked oil, diesel in with it pulled the tappet covers checked all push rods and rollers no damage, without pulling heads what should I check next or what would be the cause to do this running a 4" turbo back exhaust and 60HP edge evolution motor has done about 25000 mls any feedback or help would be appreciated thanks again
 
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Old Mar 27, 2006 | 11:03 AM
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My 7.3 has a tick most of the time sounds like a lifter on a gasser.
Don't know if you have the same but i've been told it's an injector.
Low fuel pressure will really make it worst.
Try a new filter.
Keep us posted.
 
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Old Mar 27, 2006 | 04:32 PM
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Thanks for that had a new filter 200mls ago no ticking noise until this happened diesel fuel mixed in with oil so something let go to allow the diesel in the sump
 
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Old Mar 27, 2006 | 04:55 PM
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maybe injector o-ring went bad that would cause fuel to mix with oil
 
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Old Mar 27, 2006 | 05:13 PM
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Thanks for that t.j.g ill go and pull the injectors and check the o-rings and see what I find
 
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Old Mar 27, 2006 | 05:16 PM
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That loud hammering is definatly an injector problem. Get 'em out of there before you lose a tip.
 
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Old Mar 27, 2006 | 05:34 PM
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I have just checked all the injectors with help from a mate all the injector tips are very black but all the tips are still on
 
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Old Mar 27, 2006 | 05:45 PM
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Originally Posted by quickdraw531
I have just checked all the injectors with help from a mate all the injector tips are very black but all the tips are still on
Excellent. That means your motor is ok.
There is probably something wrong inside one or more of them.
 
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Old Mar 27, 2006 | 05:53 PM
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Thanks Kwikkordead even though fuel in with oil and that terrible banging sound that sounded like the rod had gone through the side of block the engine has the pmr rods in it. 05 build Australia 7.3 PSD
 
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Old Mar 27, 2006 | 06:07 PM
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Injector knock will sound like the engine is going to break in half. It's dumping all the fuel all at once into the combustion chamber and it's burning all at once as well. Hence the huge bang bang bang bang.
I've heard it before on the little VW's that I work on and it sounds like it's going to crack the block or break the crankshaft.
 
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Old Mar 27, 2006 | 06:31 PM
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yes Kwikkordead that the noise it made for about 5 seconds then went back to normal except for the miss and down on power also has vidration as well
 
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Old Mar 28, 2006 | 04:14 PM
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what is the best way to have the injectors tested
 
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Old Mar 28, 2006 | 05:48 PM
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OK update for everyone #5 and #6 cyclinder no compresion so it looks like ill have to pull the engine for a rebuild thanks to everyone for their comments
 
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Old Mar 28, 2006 | 05:50 PM
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no compression due to what? bad valves, bad rings, deformed piston? keep us posted. a 2005 truck shouldn't need a rebuild yet, unless it's a 6 liter.
 
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Old Mar 28, 2006 | 08:04 PM
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Originally Posted by quickdraw531
what is the best way to have the injectors tested
have them flow tested or just reworked. i would think your almost new 7.3 shouldnt be having these problems with that amount of miles on your injectors but hey anything is possible.
 
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