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Oil change from top

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Old 12-18-2011, 03:16 PM
  #31  
kinglenario
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I do mine with the pump from Griots all the time. It's awesome. 5 minute job and very easy and clean.

http://www.griotsgarage.com/product/...ortby=ourPicks
Old 12-18-2011, 03:22 PM
  #32  
kinglenario
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I disagree. Oil suspends particles. The pump from the top is a factory Mercedes technique.


Originally Posted by Scott H
Personally, I would never use one of those "suck from the top" oil change devices. There are particles suspended in that liquid that I just don't see a vacuum pulling adequately out of the sump.

The only oil change for me is getting the car hot, draining it from the plug, replacing the filter, then filling the car back up.
Old 12-18-2011, 08:21 PM
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Originally Posted by SeaCay
I purchased this many moons ago for my race 951 and found that while the threads were perfect, the external wrench lands interfered with the oil pan and wouldn't allow the male end to seat far enough into the drain. Have they been redesigned to allow it to fit without mods now?

I do have this very system on my Exploder and love the significant decrease in oil mess, but it is very slow draining...
I think I stacked two crush washers and it worked, I dont remember there being much more interference than that.

Its not fast but I always drain when the oil is hot and I usually raise one wheel higher so its got a bit of an angle to help it at the end.
Old 12-18-2011, 08:32 PM
  #34  
67King
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Originally Posted by kinglenario
The pump from the top is a factory Mercedes technique.
I guess that explains why the sound wrap on the oil pan of ours was clean until I changed the oil.

You are right about oil suspending the particles. I'm almost inclined to do a chagne with a pump, then pul teh drain plug to see how much it misses.
Old 12-18-2011, 08:59 PM
  #35  
SeaCay
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Originally Posted by 67King
I guess that explains why the sound wrap on the oil pan of ours was clean until I changed the oil.

You are right about oil suspending the particles. I'm almost inclined to do a chagne with a pump, then pul teh drain plug to see how much it misses.
I bet you already know the answer to this, but it would be good to quantify.
Old 12-19-2011, 08:56 AM
  #36  
Tedro951
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I'd just do it. I'd keep the OC's on schedule.

I'm too curious to inspect the undercar bits to not get under it a few times a year, though.
Old 12-19-2011, 10:11 AM
  #37  
kinglenario
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Originally Posted by 67King
I guess that explains why the sound wrap on the oil pan of ours was clean until I changed the oil.

You are right about oil suspending the particles. I'm almost inclined to do a chagne with a pump, then pul teh drain plug to see how much it misses.
That would be interesting, but there will be hardly anything left. It sucks like a ***** at the end and you can move the pickup tube around to make sure you don't miss anything.
Old 12-19-2011, 10:20 AM
  #38  
Chris Prack
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With the baffle in the pan you are not going to get all of the oil. Certainly not the heavier particles that are on the bottom.

With all of the oil related problems these cars have, IMO, you are just looking for trouble. Good luck.
Old 12-19-2011, 10:44 AM
  #39  
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chris, there's an oil filter. if there are big chunks on the bottom they're not going to come through the drain either. mercedes has been doing this for years. it works... next change i do i'll pull the plug after and make a video of the two drops that come out when i pull the plug.
Old 12-19-2011, 07:21 PM
  #40  
Chris Prack
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A filter? lol Yeah I kinda am aware of that. It's not anything big that would be the concern since it won't get past the pickup. It's the smaller metallic material that is the concern.

Again, there is the baffle. You're not going to get all the oil.

I have "some" experience with Porsche cars. lol
Old 12-19-2011, 08:14 PM
  #41  
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Originally Posted by kinglenario
chris, there's an oil filter. if there are big chunks on the bottom they're not going to come through the drain either. mercedes has been doing this for years. it works... next change i do i'll pull the plug after and make a video of the two drops that come out when i pull the plug.
As a mercedes benz specialist, I will tell you mercedes has been sued several times for their oil change procedures.

In fact, any 112 or 113 engine with scratch marks on the cylinder walls has to be changed by mercedes under warranty (they werent using mobil 1 extended life oil for their outrageously long service intervals )

They may have learned how to do it over the past couple of years, just saying theyre not the best company to use as an example.

A pump is mandatory on many new euros, many of them are coming out without drain plugs

To the OP, a pump will work, but you most likely wont get all of the oil out. Im one of those crazies that actually loosens the lower oil cooler line on my 951 to get the oil from the cooler as well, but most here wont do that
Old 12-19-2011, 09:00 PM
  #42  
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Originally Posted by Chris Prack
A filter? lol Yeah I kinda am aware of that. It's not anything big that would be the concern since it won't get past the pickup. It's the smaller metallic material that is the concern.

Again, there is the baffle. You're not going to get all the oil.

I have "some" experience with Porsche cars. lol


In case any of you pud-knockers don't know, Chris runs a Porsche only repair shop in the greater DC area.
Old 12-20-2011, 12:39 AM
  #43  
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Originally Posted by savantauto
Thanks for your opinions, but with all due respect the intent of my question was to see if anyone has used the "from the top" form of oil change, not debate weather dealing with ramps, jack stands, etc is a PITA.

A simple "I have no experience with this technique and can't offer any meaningful advice " would have been a more appropriate response.

Don't think I purchased the wrong car - just think I got responses (with the exception of one((thanks)) from the wrong audience.
Why not work with gravity instead of against it?
Old 12-20-2011, 11:01 AM
  #44  
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Oil change philosophy aside this is an AWESOME item to have in your shop. We use it to pull fluid out of diffs, transmissions, etc that don't have drain plugs (like a Ford 9" rear.) it's also the most overkill one-man brake bleeder ever built.


Originally Posted by kinglenario
I do mine with the pump from Griots all the time. It's awesome. 5 minute job and very easy and clean.

http://www.griotsgarage.com/product/...ortby=ourPicks
Old 12-20-2011, 12:07 PM
  #45  
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what is wrong with just doing the old fashion way?? its really not that serisous



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