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Won't Start or Crank

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Old Mar 2, 2006 | 10:24 PM
  #1  
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Cool Won't Start or Crank

2My 1994 F250 7.3 IDI won't start, won't turn or crank. New batteries and starter, and starter relay. Lights work fine. Checked wires fuses all looked OK. Is their typical problem I might look for. I tried hot wire to starter relay and starter only clunks once.
 

Last edited by burley208; Mar 2, 2006 at 10:24 PM. Reason: size
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Old Mar 2, 2006 | 10:37 PM
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Try baring the engine over it could be hydro locked, 15/16 socket and bar rotate the engine clockwise. Disconnect the FSS on the IP before doing the baring we don't want a start here.

Are you pressing on the clutch pedal if it is manual trans, wiggle the shifter if it is auto while attempting start.
 
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Old Mar 2, 2006 | 10:43 PM
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It is Auto and have done the wiggle on the colum and conecter on transmission. Not sure what FSS and IP are?
 
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Old Mar 2, 2006 | 10:45 PM
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One other point is I poured a little 1/4 sea foam motor treatment in carb-intake before this all started would that cause hydro lock?
 
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Old Mar 2, 2006 | 10:50 PM
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You bet your sweet azz it would.........there is less than 35 thousands of an inch clearance from piston to head. Best thing is to remove the #7 and 8 GPs if the truck is level since the engine sits tilted to the back down position you may get lucky in baring it over. You should really remove all GPs, then crank it over until the fluid is blown out the holes.

OH DID I MENTION DON"T EVER POUR ANYTHING INTO THE INTAKE OR YOU CAN BEND A ROD OR SNAP THE STARTER OFF>>>>>>> DID I SHOUT LOUD ENOUGH.
 

Last edited by PLC7.3; Mar 2, 2006 at 10:57 PM.
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Old Mar 2, 2006 | 11:11 PM
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Ok I keep my additive addiction limited to the fuel tanks.
 
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Old Mar 3, 2006 | 09:51 AM
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alsohave you repaced the relay on the fenderwell they have a problem from time to time try to jump across and see if works
 
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Old Mar 3, 2006 | 04:44 PM
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PLC, you are mumbling again. Speak up son.
 
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Old Mar 6, 2006 | 04:48 PM
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Thank you for your recommendations

Guys,

Thank you for your suggestions on this. I was only able to get a little time with the truck this weekend and only removed one injector. I also noted I was supposed to be removing glow plugs not injectors. Will remove glow plug 7 & 8 and attempt to manually turn over.
 
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Old Mar 6, 2006 | 10:45 PM
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Burley....... Check this page for info re the removal of GPs.......

http://www.members.shaw.ca/k2pilot/
 
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