Pulling a seized 5.0

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Jul 2, 2021 | 04:56 PM

#16

timbersteel

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Joined: Mar 2005

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From: Mexico, Missouri

If there was crack between the intake and exhaust valve, could coolant still fill the cylinder with both valves closed?

I have 2 E7TE heads here with cracks between each valve where coolant would leak through into the cylinder.

Jul 6, 2021 | 04:44 PM

#17

Jtsarby

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More photos.

Jul 6, 2021 | 06:36 PM

#18

Mudsport96

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Joined: Aug 2010

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From: Chillicothe

Oooff. Yeah shes cooked. Hard saying what caused that to happen. Crack, head gasket who knows. All i know is a ball hone isnt fixing that lol

Jul 7, 2021 | 10:37 AM

#19

Jtsarby

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I soaked the cylinders with penetrating fluid and still cannot get the engine to turn over with an breaker bar.

Jul 7, 2021 | 11:39 AM

#20

88n94

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Joined: Jan 2004

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From: South Dakota

Quote:

Originally Posted by Jtsarby

I soaked the cylinders with penetrating fluid and still cannot get the engine to turn over with an breaker bar.

You might try taking a piece of 4X4, might have to shave the corners off, or something similar like a piece of post of the appropriate length and put it in the rusty cylinder and hit it with a sledge hammer to try and jar the piston loose.

Jul 7, 2021 | 02:30 PM

#21

timbersteel

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From: Mexico, Missouri

Quote:

Originally Posted by 88n94

This exactly. I bought a '95, 351, Ext. Cab, 4wd in 2015 that the engine was seized. I removed the heads, soaked the cylinders. Nothing! I used a race jack with a 3 ft. steel bar, 1/2" thick, bolted to the harmonic balancer, pushing the engine in the opposite direction. Nothing! Bought a 8ft, 2x2, cut it in half, and used it to pound each piston in the opposite direction and it finally broke loose. The engine had been hydrolocked and every cylinder was pitted, rusted. Each piston had seized to the cylinder walls.

It's running right now after years of it sitting.