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Old 10-11-2010, 10:54 PM
wtrskr wtrskr is offline
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oil drain plug stuck

I figured that the oil change was going to be a pain but little did I know.

1994 tbi. The boat didn't come with the tube that goes through the plug hole for easy oil changes. The wrench slipped on me a few times so I switched to a vise grip without luck either. I tried tapping the vise and then the oil pan with a hammer to create vibration, still wouldn't budge.

Now it's stripped pretty good and I don't know what to do? I only have about 1 1/2" clearance so not much room to do anything.

Any ideas?? I just drained the block so I could dig into an exhaust manifold or head gasket because I had found water in a spark plug hole. In other words, I may have water in the oil so it needs to come out before freezing temps.
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Old 10-11-2010, 11:52 PM
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vision vision is offline
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I would pump it out via the dipstick tube and leave the oil pan drain plug alone.
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Old 10-12-2010, 12:06 AM
wtrskr wtrskr is offline
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I actually gave that a try without luck. I have a hand pump that I used for the tranny fluid. I can't get any suction started. Anybody else have luck through the dipstick? Is there any other areas I could get acess to pump such as tubes leading to the fuel filter? Just brainstorming.
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Old 10-12-2010, 06:29 AM
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Quote:
Originally Posted by wtrskr View Post
In other words, I may have water in the oil so it needs to come out before freezing temps.
Bummer dude. Sorry to hear this.

If you do have significant amounts of water in your oil, the potential freezing of dispersed droplets or puddles of water in your oil is probably not your most serious concern.

Quote:
Originally Posted by wtrskr View Post
I actually gave that a try without luck. I have a hand pump that I used for the tranny fluid. I can't get any suction started. Anybody else have luck through the dipstick? Is there any other areas I could get acess to pump such as tubes leading to the fuel filter? Just brainstorming.
Yes, the dipstick shaft method works. It is not the best, and there is the risk of getting the tube stuck. Regardless, buy a real pump. As Vision said, this is your best option.
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Old 10-12-2010, 07:14 AM
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I'd probably just weld a nut to the end of the drain plug. This would give you a new surface to turn with and the added heat would probably free up the drain plug so you could get it out.
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Old 10-12-2010, 08:24 AM
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I'd probably just weld a nut to the end of the drain plug. This would give you a new surface to turn with and the added heat would probably free up the drain plug so you could get it out.
I would try this I have used this method with great success. Although I would probably try a left handed drill bit
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Old 10-12-2010, 08:28 AM
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Use a file to put some new flats on the hex drain plug then you can grab it with a crescent wrench. Lefty loosey... righty tighty!
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Old 10-12-2010, 08:44 AM
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When I was battling water in my oil, I could never get the drill driven pump to pick up any oil. I did manage to use a manual suction pump to get the oil out.
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Old 10-12-2010, 09:58 AM
wtrskr wtrskr is offline
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Regarding getting oil out through the dipstick, the dipstick tube on my 94 tbi is long and narrow. I can't see a way to get a pump down inside of it. It's a tight fit for the dipstick even.

Here is the pump I used: http://www.amazon.com/Mityvac-Fluid-.../dp/B001GOQJLS. The orange tubing fits snugly over the dipstick.

The dipstick didn't show any signs of water. I imagine there is a little since water was getting into the spark plug hole. It probably is ok if I don't figure it out before freezing temps.

The have no idea how you could get underneath the oil pan to weld. I've had to do everything by feel because I can't even see the drain plug becasue it is so far under.

The file idea is good. I'll try that next. Even that will be difficult with the space.

Thanks!
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Old 10-12-2010, 10:05 AM
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thatsmrmastercraft thatsmrmastercraft is offline
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Quote:
Originally Posted by wtrskr View Post
Regarding getting oil out through the dipstick, the dipstick tube on my 94 tbi is long and narrow. I can't see a way to get a pump down inside of it. It's a tight fit for the dipstick even.

Here is the pump I used: http://www.amazon.com/Mityvac-Fluid-.../dp/B001GOQJLS. The orange tubing fits snugly over the dipstick.

The dipstick didn't show any signs of water. I imagine there is a little since water was getting into the spark plug hole. It probably is ok if I don't figure it out before freezing temps.

The have no idea how you could get underneath the oil pan to weld. I've had to do everything by feel because I can't even see the drain plug becasue it is so far under.

The file idea is good. I'll try that next. Even that will be difficult with the space.

Thanks!
That is the pump I used. Use the small diameter tubing. It just fits in the dipstick. You need to have the pick-up tube go to the bottom of the oil pan to get all the oil/water out. Remember, the water will be on the bottom.
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