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  #31  
Old 04-07-2008, 05:23 PM
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make your own oil pump that will pump cold oil out fast.. get a 120v marine bilge pump and rig up some tubing. It will suck the oil out pretty fast...even cold.

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  #32  
Old 04-07-2008, 05:41 PM
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I use my homemade free sucker tank. it is a RO undersink pressure tank.



stick the tube in, turn on compressor, walk away.

I pull vac w/ an old window AC compressor- or Harbor freight has them $15 venturi vac units if you have Compressed Air.

I have done this, let the car sit 30 minutes and pulled the plug. not a drop came out.

I do it on a hot engine. if there is no oil left, any contaments are gone too, IMO.



It holds 5 gal, and cost maybe $3.
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  #33  
Old 04-07-2008, 05:43 PM
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120vac Obendorfer bilge pump: $125 (and up). Add tubing fittings and a container, plus time.

Topsider: what, $50 and ready to use with its own container.

I've made my choice.
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  #34  
Old 04-07-2008, 05:43 PM
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Quote:
Originally Posted by Dee8go View Post
Does sucking it out through the dipstick shaft actually get more out than draining? That definitely sounds preferable to me.
It is clear to me that I get more oil out of the dipstick tube on my 606. Before I got the sucker, the oil would be black immediately upon startup after an oil change. But when I suck the oil out to change it, the oil stays honey colored for several hundred miles.
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  #35  
Old 04-07-2008, 09:45 PM
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Quote:
Originally Posted by chetwesley View Post
I don't even lift the car up. It is high enough to just remove the plug and let it flow into the drain pan.
Ditto.
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  #36  
Old 07-12-2008, 10:10 PM
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i've been using a topside oil vacuum for the last couple months. did my '85 300SD in my work clothes without getting dirty (work clothes = white dress shirt, wool dress slacks).

last week i went to my local auto parts store to return the used oil. bought another oil change container because my old one was starting to leak. i dump the oil from the topsider vacuum into an oil change container to carry to the store.

the clerk at the store, upon hearing i do a topside oil change, said "you know you're leaving a bunch of oil in the pan". i said, "i don't think so!!" It takes all of 8.5 qts to fill it up, so i'm not leaving much." He tried to convince me to drain it. I told him he could stop arguing with me, because i wasn't going to change my mind. told him, if Mercedes dealership does topside oil change, so can I. He laughed, and said "i don't know any dealer that would do an oil change through the dipstick." I just smiled (know he doesn't know much) and told him to have a nice day!!
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  #37  
Old 07-12-2008, 10:18 PM
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I just reach under the SDL and unbolt the plug. Since its right in front and at perfect height don't need to mess with jacking the car up. When I put the belly pans back on, maybe next week after I change the oil since I'll use my friends Topsider.

IMHO sucking it out the dipstick is good enough. Thats how a lot of marine engines get their oil changed and they don't die any sooner as a result.
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  #38  
Old 07-13-2008, 12:27 AM
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The first time I used an oil sucker (a 12 volt cheapie) on my OM617, I followed up by crawling under and pulling the plug. Results: nary a drop of oil came out. I was impressed, I didn't think it would do so good a job. The 12 volt cheapie was noisy and tended to overheat so I got rid of it.

Since then I've gotten a hand-vacuum-pump oil sucker, about $25 -- it was on sale -- from Harbor Freight, their number 45403 "Liquid Transfer Pump." It uses a pump like an old tire pump and holds 2-1/2 gallons of oil. It works great. One of these days I may get fancy and make an adapter so I can use it with my electric vacuum pump.
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  #39  
Old 07-13-2008, 12:37 AM
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While the car is warm, I open the drain plug on the bottom, take out the old filter, after the oil has all drained out I pour a 1/2 qt of clean oil and let that drain out, then I put the drain plug on and fill her up. No need to jack it up.

I remember reading here that I should let the fresh oil settle for at least 15 minutes on this car, so I do that. Is this really crucial on the 606?
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  #40  
Old 07-13-2008, 12:42 AM
ForcedInduction
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Its a waste of 1/2 quart of good oil. Anything you pour in the oil hole is going to go straight to the sump.
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  #41  
Old 07-13-2008, 12:59 AM
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Quote:
Originally Posted by ForcedInduction View Post
Its a waste of 1/2 quart of good oil. Anything you pour in the oil hole is going to go straight to the sump.
probably so, it ensures that i get out all the old oil and gives me peace of mind. Back when I paid $1 something for oil, it was painless and I ran a full quart through, now with the synthetic I only run 1/2 qt through. oh well
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  #42  
Old 07-13-2008, 04:02 AM
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as marshall used to say HOT and OFTEN. I use the drain plug, because im cheap.
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  #43  
Old 07-13-2008, 04:22 AM
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You people actually buy pumps? Jeeze just take a 13mm and undo the plug
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  #44  
Old 07-13-2008, 04:44 AM
ForcedInduction
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Quote:
Originally Posted by willy2004 View Post
it ensures that i get out all the old oil
Actually, it doesn't do anything like that. As said before it goes straight through to the sump, it doesn't touch any of the moving engine parts or bearings.
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  #45  
Old 07-13-2008, 05:30 AM
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I just crawl under and unscrew the drain plug. This topside method sounds pretty promising, I think I'll go to Harbor Frieght and get a pump on Monay as it's time for an oil change.

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