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Old 06-10-2009, 04:55 AM
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Default Noob question (about stock oil pressure relief plunger)

Hi all. This may be a stupid question. Or not. What is the generally accepted tool of choice to remove the stock oil pressure relief plunger? And don't say a big screwdriver. The thing is an inch wide. I haven't seen many 1" wide flat bladed screwdrivers lately. Or did I miss a page in the Craftsman catalog?
Thanks, Tom.
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Old 06-10-2009, 01:56 PM
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A 10mm tap.
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Old 06-11-2009, 12:58 AM
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Yep, or a dulled wood chisel. But the tap is easier...
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Old 06-11-2009, 04:16 AM
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Oops, perhaps I misworded that. I've never opened it up before, but it looks like a very large flat head screw looking up from the bottom of the engine. So I guess it would be the cover or plug to access the plunger. That's what I'm asking about.
Thanks.
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Old 06-11-2009, 09:39 AM
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That's exactly what it is. Any large flat blade screwdriver will remove it! Righty-tighty, lefty-loosey!
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Old 06-11-2009, 10:10 AM
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Ah ha! My mistake. I thought you meant the plunger was stuck. So, yeah, like Rick says, just use a big screw driver. Make sure you have something to catch the oil that will drain out. It won't drain all of it...just what's in the system above it. I think I had almost a cup of oil last time I did it.
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Old 07-13-2010, 10:58 PM
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Default Removal

The relief cover can often be pretty tough. I usually use a small chisel and a hammer on one and a tap it counter clockwise around until you get it moving. Then your large screw driver should do the trick.
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