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Case Tractors Discussion Forum

Stuck LA Valve

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11-14-2006 06:42:19

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Does anyone have any ideas on unsticking a valve on a "52 LA? The tractor ran good, but sat for 3 years and one of the valves is stuck. I sprayed it with PB Blaster, and tapped it lightly down with a hammer, but can"t get it back up. Can you go in through the spark plug hole and push it back up. Just wondering if anyone had this problem before? I don"t want to take the head off if possible. Thanks for any input - Bob

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11-15-2006 05:53:34

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 Re: Stuck LA Valve in reply to Bobl1958, 11-14-2006 06:42:19  
I've had good luck on several DC's and CC's with that problem by taking a NEW irwin vise grip with sharp teeth and clamping into the very top of the valve and slightly turning the valve while spraying penetrating oil on the valve. The spring pressure will pop it up as long as the springs are good. Good luck.

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11-14-2006 19:42:30

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 Re: Stuck LA Valve in reply to Bobl1958, 11-14-2006 06:42:19  
Howdy Bob,
I have the same problem with my LA cept I have three valves stuck. I tryed to take the head off and never could. The tractor has been setting for three years now waiting for me to finish.
One of these days, I'll work on it again.

Let me know if your technique works,

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11-15-2006 12:36:04

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 Re: Stuck LA Valve in reply to Tuggle, 11-14-2006 19:42:30  
FYI, I decided last night to try the vise grip method. Low and behold it worked. Just be careful and don't hurry. I used carb cleaner to try to help eat the carbon and crud, then went back with lube. Worked for me. Now I'll get to try Walts advise with the screw driver to hold the valve up while I get the spring back on. Thanks a lot guys. -Bob

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Walt Davies

11-14-2006 08:18:18

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 Re: Stuck LA Valve in reply to Bobl1958, 11-14-2006 06:42:19  
When I replaced a bad spring on my LA I took an old heavy screwdriver and bent it in a half circle at the end about 3 in. across then used this to hold the valve up. I would think you could do the same thing with yours.

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11-14-2006 11:11:23

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 Re: Stuck LA Valve in reply to Walt Davies, 11-14-2006 08:18:18  
It would certainly be worth a try. I"ll do it. Thanks a lot - Bob

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Walt Davies

11-14-2006 16:20:57

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 Re: Stuck LA Valve in reply to Bobl1958, 11-14-2006 11:11:23  
Let know how it turns out.

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