Engine???
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New User
Joined: Oct 2016
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Engine???
Ok here goes I dive a 1999 f250 super duty with 5.4 it's automatic 4x4. I dropped my kids off at school and was headed home turned a corner when the oil/temperature light flashed and the truck just quit. I tried restarting it and it just clicked like the battery dead. Had my better half come and jump it. Did not work it would only roll about a half Revolution and stop. So we towed it home where I put the battery on the charger. Now I can't even get it to roll over. And yes there is oil and it did not over heat.
Logistics Pro
Joined: Nov 2004
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I'd start with a good battery just to eliminate that since it's a simple step. Maybe use the battery in your other car just to try it. If it does start right up, check what the charge is with it running to make sure the alternator is ok. If not, shut it off so you don't kill the good battery.
Fleet Owner
Joined: Apr 2008
Posts: 24,316
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From: 0,0,1
The engine locked up due to a loss of lubrication. Even if the oil level is up there, the pickup tube could've clogged or the oil pump could've failed. If you want to verify if the engine is locked or not, put a big ratchet and socket on the front crankshaft bolt and try turning it manually.
Postmaster
Joined: Jul 2015
Posts: 4,392
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From: very South Texas
you could NOT turn the crankshaft with a tool???
remove all spark plugs.. maybe hydro lock, coolant, fuel. try turning engine again.
engine is locked. !!
dropped valve,
broke a connecting rod.
remove valve covers and oil pan.. look for broken stuff.
then maybe remove cylinder heads.
remove all spark plugs.. maybe hydro lock, coolant, fuel. try turning engine again.
engine is locked. !!
dropped valve,
broke a connecting rod.
remove valve covers and oil pan.. look for broken stuff.
then maybe remove cylinder heads.
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Senior User
Joined: May 2010
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From: Pocatello, Idaho
Another thing I have read on this forum is that the A/C clutch seizes causing the pulley to stop and the belt stopping the motor. These people thought their motors locked up only to find once they remove the belt the motor turned over. Worth a shot.
Postmaster
Joined: Apr 2008
Posts: 4,724
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From: Rogersville, TN
That happened to my ex wife's car. Oil pump broke and locked the engine up.