head gasket - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 14 (permalink) Old 01-12-2007, 11:54 PM Thread Starter
 
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Question head gasket

took the schools 97 e-350 12 pas shuttle bus to the shop for a fuel leak in the valley of death i thought it was blue lines under fuel filter, regulater they said it was that and the head gasket leaking fuel into the valley . there is no antifreeze in oil ,oil in antifreeze ,or fuel in either only fuel in valley can the head gasket leak fuel?
thanks kirk
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post #2 of 14 (permalink) Old 01-13-2007, 12:53 AM
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I cant really see how, did they check the lines and the rubber gromnets on the lines going to the heads???? They can start leaking.

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post #3 of 14 (permalink) Old 01-13-2007, 04:49 PM
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They lie.

There is NO FUEL at all that runs anywhere near the headgasket, nor THRU it, so it could not possibally leak from one either.

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post #4 of 14 (permalink) Old 01-13-2007, 05:17 PM
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Quote:
Originally Posted by John_G
They lie.

There is NO FUEL at all that runs anywhere near the headgasket, nor THRU it, so it could not possibally leak from one either.
Agreed! Fuel doen'st even run anywhere under the gasket until it's injected by the injector. Take the van away from that shop right away! They obviously have no clue what they are talking about. Get some superclean or something and spray the entire area down then spray it all down with a hose and get it nice and clean. Start it up and watch it. If it's not leaking fast enough sitting there idleing take it for a short drive and check it again. Check and make sure it's got the triangular gasket on the fuel bowl lid. NAPA and some other places that you get filters from don't come with the right gasket and they will leak.

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post #5 of 14 (permalink) Old 01-13-2007, 05:29 PM
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Quote:
Originally Posted by DieselDadio
took the schools 97 e-350 12 pas shuttle bus to the shop for a fuel leak in the valley of death i thought it was blue lines under fuel filter, regulater they said it was that and the head gasket leaking fuel into the valley . there is no antifreeze in oil ,oil in antifreeze ,or fuel in either only fuel in valley can the head gasket leak fuel?
thanks kirk
Sounds like a pathetic excuse to make a leak in the school districts pocketbook doing a complete engine change.

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post #6 of 14 (permalink) Old 01-13-2007, 06:14 PM Thread Starter
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thats kinda what i said to the head of the school i usually take care of this unit but i cant work under the hood on the van ive tried im not as "svelt" as i used to be . this is a small private Christian School i was tring to help by not doing it outside in the weather dec 21 the first of many snow storms here in denver area. i will suggest to the head of the school to pull it and go to another shop
thanks kirk
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post #7 of 14 (permalink) Old 01-16-2007, 11:42 PM Thread Starter
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went to the shop to day and they showed me were it was leaking from they had removed the turbo and there it was looking up to the front of the engine on the left (driver side) valley side of head rite at the back corner between the head and block was the leak only when running just leaks no spray. when you park it over nite after driving it, it leaves a stain about the size of dinner plate any ideas?
thanks kirk
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post #8 of 14 (permalink) Old 01-17-2007, 12:27 AM
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Make sure it's not leaking from up higher and running down to that point. There is no pressure in that area to be forceing fuel out unless it's comming from the fitting higher up in the head.

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post #9 of 14 (permalink) Old 01-17-2007, 01:12 AM
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The head gasket cannot be the source, no fuel touches the head gasket until it’s sprayed from the injector in the cylinder. At that point it’s not in the wet state because compression causes it to ignite.

There’s a fuel fitting on each end of the head at the highest point, 1/8” npt. Prolly the line or cap nut at that point.. Another one of Ford’s fuel system follies..

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post #10 of 14 (permalink) Old 01-17-2007, 01:38 AM Thread Starter
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where i saw it was rite below that fitting but it was not washed clean like the corner is and they as well thought the fitting was leaking they said they have never seen a leak there before they are not believing it either could the head have cracked? could it be leaking from the intake? it is just above that corner. could the head have cracked inside below that fuel fitting ? can you turn it over without starting it to see if it will leak(how) the turbo is off ?
the evidence seems to point to that spot.
thanks kirk
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