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Trying to remove engine plug


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Coolant + steel + aluminum = major stuck.

 

Soak it in PB, clean the crud out of the center, use a half inch drive socket and breaker bar. Put pressure on the bar and then smack the bar with the 3lb hammer about 6" from the socket.

 

Do that a few times and make sure the socket doesn't slip out and round out the plug.

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Chisel,air or otherwise would be much easier.

 

Make an indentation by holding it at 90 degrees .

Once there is something to grip,angle the chisel 45 degrees or so to spin the plug.

Hitting as close to the OD as you dare will give the greatest turning torque.

Blows will help penetrating oil penetrate

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See all those marks? Well those were from a flat head screw driver but still it's hard to hit from the OD without ending up hitting too deep..

 

I will spray with a little more kroil and then if that does not work then I will just have to file the plug to the next size and use the impact wrench on it again

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The one for the engine block heater.. I've tried heat and I tried using a 3lb hammer and hitting the plug sideways and it still wont move at all.. Did the plug win? Any other tips I should use before I give up?

 

 hi,

  i can see from that picture you have no chance to get that out by conventional means,, i  DO   think you can weld a BIG nut on it  something like a axle nut for instance,, no jb weld  ,,actually  electric arc weld and weld it good ,, a nut too big to strip and use a 6 point socket & big breaker bar on that.   the heat from the weld job will likely help too.

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If I ever do it it would have to be with the engine in the car, as I said before my car is in a open parking lot.. besides I heard you can damage your crank bearings just going to town doing a wield like this because of stray currents so I don't want to risk that.. now I did take off the drivers head and sprayed kroil down where the plug is.. but does it have another passage way? It seemed to not fill up but seemed to be draining to another area of the motor.

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