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Oil change via dipstick tube pumpout?

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Old 01-02-2003, 08:46 PM
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pcutt
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Post Oil change via dipstick tube pumpout?

Hi,

I'm considering doing oil changes on my 944 by pumping out the oil thru the dipstick tube using an electric pump. My pals who have boats use this method on their boats with great results. Any comments on how this would work on a 944?

Thanks,
Paul
Old 01-02-2003, 09:01 PM
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944Play
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I'm sure it works fine, but you don't get to inspect the magnetic drain plug for the "Christmas tree of death!"
Old 01-02-2003, 09:11 PM
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led
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why would this be better?
Old 01-02-2003, 09:25 PM
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nh3
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On a boat, it's a great thing being that most inboard engines have limited access to the drain plug but on a car I got to say thats like one of the late nite info-mercial gadgets. Since access to the drain plug on most cars is not an issue I would think you would want to get all the crap at the bottom of the pan out. Bearing failure anyone?

nh3
Old 01-02-2003, 09:42 PM
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Yes, don't change your oil by pumping it out. You want to try to get all of the crap that has settled on the bottom of the pan out of there.

Besides, pumping oil out would be messy...
Old 01-02-2003, 11:51 PM
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pcutt
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[quote]
Yes, don't change your oil by pumping it out. You want to try to get all of the crap that has settled on the bottom of the pan out of there.
<hr></blockquote>


That's what I figured.

Right now I'm living in a house with no garage or even a driveway, so pumping out thru the dipstick tube would allow me to do the work in the street. I'm trying to minimize pestering my buddies to let me work on my car at their houses. Talk about frustration for a gearhead! <img src="graemlins/crying.gif" border="0" alt="[crying]" />

[quote]
Besides, pumping oil out would be messy...
<hr></blockquote>

No, just the opposite, in fact. I've changed oil in boats plenty of times this way, and it's about as clean and simple as could be. Certainly much cleaner than the drainplug way.
Old 01-03-2003, 12:05 AM
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Redshift
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[quote]Originally posted by pcutt:
<strong>...I'm considering doing oil changes on my 944 by pumping out the oil thru the dipstick tube...l</strong><hr></blockquote>

I've heard of some quick-lube shops draining through the dipstick tube. There's a portable product that does something similar called the <a href="http://www.capitolwest.com/mercedes_tools.htm#LiquiVac" target="_blank">LiquiVac</a>. Never tried it myself but it looks like a tidy way to change the oil.
Old 01-03-2003, 10:44 AM
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Bryan
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Wink

A bunch of Quick-Lube places have gotten their tails in the wringer because they re-installed the drain plugs wrong. In order to do the oil change as fast as possible, they use an impact wrench and spin the drain plug in with it. Problem is, sometimes they get the drain plug started cross-threaded and run it in with the impact wrench. So the next guy that has to change it finds the stripped out drain hole.

It also wouldn't surprise me, since some people got satisfactory resolution of their munged oil pans, if people were taking cars with previously stripped drain plugs/holes to these places then raising a ruckus when they are informed that their pan is shot. "WHAT DID YOU DO!!??". And they try to jump on the bandwagon and get it fixed by Quick-Lube.

The dipstick extractor fixes both situations.

My cynical $.02

Bryan
Old 01-05-2003, 04:58 AM
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Dave H.
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<a href="http://www.griotsgarage.com/catalog.jsp?&SKU=10122" target="_blank">http://www.griotsgarage.com/catalog.jsp?&SKU=10122</a>



<a href="http://www.griotsgarage.com/catalog.jsp?&SKU=10186" target="_blank">http://www.griotsgarage.com/catalog.jsp?&SKU=10186</a>

we use these at work, it's a lot faster that draining from the plug. the New Beetle Covertable's have a huge subframe you have to remove just to get to the plug.

suck it out...
Old 01-05-2003, 05:46 AM
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But the Griot's Garage liquid extractor only has a 5.5 liter capacity... About 6.5 liters of oil comes out of the 944 and 7 liters on Turbos.
Old 01-05-2003, 02:35 PM
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jabbadeznuts
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7 lieters on a turbo!!! Holy crap man! that's a lot of oil!



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