Got a Jeep Go-Devil engine with a stuck exhaust valve. Had the engine over-hauled 8 years ago. Been sitting in my garage, 'cept for a few months outdoors and may have gotten some rainwater in one cylinder. Exhaust valve on front cylinder is stuck open. I've got good compression in 3 of 4 cylinders and no compression in No. 1, so I assume the exhaust valve in no. 1 is open. Also, I can blow compressed air through cylinder one out the exhaust; further proof exhaust valve is stuck open.

Any ideas how to free up that puppy without pulling the head? I might could spray hell out of it with ATF cut 50% with acetone. They say that's a good penetrant. Any other ideas from you experienced wrenches would be appreciated.

Thanks,

Jordan

Last edited by RobJordan; 02/10/14.
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