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Gravity drain or siphon, what is the preferred method?

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Old 12-04-2014, 11:41 AM
  #16  
XS29L9B
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Originally Posted by Rob Edwards

Walmart doesn't carry the FRAM PH6583 online. 928 Oil filters may be available locally but are no more expensive if ordered from the 928-specific vendors, and you won't get the proper drain plug sealing ring taped to the side of the box from Pepe Boys, unlike your frinedly 928 vendors. You may as well become friendly with them anyway, your 26 year old car will likely need more esoteric parts, correctly supplied, sooner rather than later.

http://s287999742.e-shop.info/shop/a...0201%252005%26

http://shop.site-link.com/928intl/pr...928-107-201-05
Thank you for the pic, and the links. Good info on all.
Old 12-04-2014, 11:58 AM
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Rob Edwards
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That front belly pan should have 5 screws across the front, 2 in the little recesses halfway back (screwed to the bottom of the engine crossmember), and 2 on the 'legs' of the front pan. There are also 3 across the back, connecting to the rear belly pan. So it _is_ a pain in the ***, though it's about 5 minutes of work. Not the end of the world if it's part of your weekend garage zen moments.

There are a couple of good pics of belly pan fastener removal about 10 pics into this chapter of Dwayne's Encyclopedia of 928 Repair:

http://dwaynesgarage.norcal928.org/1...0Procedure.htm

And for the other volumes of his set:

http://dwaynesgarage.norcal928.org/
Old 12-04-2014, 04:18 PM
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Originally Posted by mark kibort
cut a hole in the belly pan.... that's stupid.

anyway, syphon doesn't work. you will leave about 2-3 quarts of dirty oil in the pan
perhaps its different in the 928, but in my boat it gets everything but what is in the filter. Just be sure to warm up the oil first it draws out quicker. Really works well and a very clean process.

My 928 i use the drain plug only because it allows me to check the flex plate and inspect other things underneath while I'm there...
I use one of these...
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Old 12-04-2014, 04:57 PM
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WallyP

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"Walmart doesn't carry the FRAM PH6583 online"

I don't use Fram oil filters on anything.
Old 12-04-2014, 05:11 PM
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Rob Edwards
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Exactly my point.
Old 12-04-2014, 05:23 PM
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What are people with the external oil coolers under the radiator doing to drain the oil in there?
Old 12-04-2014, 05:27 PM
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Originally Posted by Rob Edwards
That front belly pan should have 5 screws across the front, 2 in the little recesses halfway back (screwed to the bottom of the engine crossmember), and 2 on the 'legs' of the front pan. There are also 3 across the back, connecting to the rear belly pan. So it _is_ a pain in the ***, though it's about 5 minutes of work. Not the end of the world if it's part of your weekend garage zen moments.

There are a couple of good pics of belly pan fastener removal about 10 pics into this chapter of Dwayne's Encyclopedia of 928 Repair:

http://dwaynesgarage.norcal928.org/1...0Procedure.htm

And for the other volumes of his set:

http://dwaynesgarage.norcal928.org/

Don't miss te two screws that hide up inside the NACA ducts. The rear is easiest to get loose if you lower the front of the rear pan before you try to drop the front pan. That gives room to get the cooling ducts down before the front pan slides forward to free the rear edge.

If you have a lift, things get a lot easiers since you can see all but the hidden fasteners I mentioned above. I take out all but the bolts into the crossmember under the rack, and one or two of the front screws that attche to the front spoiler and the tabs at the bottom rear of the radiator. Then those last ones come out while I support the pan with my head...
Old 12-04-2014, 05:32 PM
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I use the drain plug, but I have one of these that would work to suck out the dipstick:

Amazon.com: 6.5 Liter Oil Changer Vacuum Fluid Extractor Pump: Everything Else Amazon.com: 6.5 Liter Oil Changer Vacuum Fluid Extractor Pump: Everything Else

These come in handy for all kinds of things around the garage.


Old 12-04-2014, 05:34 PM
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Originally Posted by WallyP
"Walmart doesn't carry the FRAM PH6583 online"

I don't use Fram oil filters on anything.
I get my Motorcraft filer at Wal Mart for my truck, as I save about $4.00/filter over Advance Auto, etc. for the same.

I like to save money. But haven't used Fram to do so.
Old 12-04-2014, 05:35 PM
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Originally Posted by Hacker-Pschorr
I use the drain plug, but I have one of these that would work to suck out the dipstick:

Amazon.com: 6.5 Liter Oil Changer Vacuum Fluid Extractor Pump: Everything Else

These come in handy for all kinds of things around the garage.


That's the siphon I have, and for my wife's car, it gets the 6 qts out just fine. I warm the car up, and the oil comes right out.
Old 12-04-2014, 05:36 PM
  #26  
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Originally Posted by dr bob
Don't miss te two screws that hide up inside the NACA ducts. The rear is easiest to get loose if you lower the front of the rear pan before you try to drop the front pan. That gives room to get the cooling ducts down before the front pan slides forward to free the rear edge.

If you have a lift, things get a lot easiers since you can see all but the hidden fasteners I mentioned above. I take out all but the bolts into the crossmember under the rack, and one or two of the front screws that attche to the front spoiler and the tabs at the bottom rear of the radiator. Then those last ones come out while I support the pan with my head...
Thank you - I presume w/ a flash light I'll see the hidden bolts. 5 minutes is nothing in the grand scheme of doing the job right. Thanks again.
Old 12-04-2014, 08:03 PM
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Originally Posted by XS29L9B
On my wife's German car, the engineers placed 12 bolts on a belly pan, which prevent reasonable access to the oil drain plug. So for that car, I siphon the 6 quarts of oil and believe I get most, if not all the oil (based on what comes out).

That said, what is the preferred method on a 928 s4, changing the oil? I tried a forum search, which didn't yield anything of matter.

Also, is one brand filter suggested over another - or specifically, is there something to stay away from?

Your tips and details are appreciated, thank you.
I don't see what all the fuss is about removing a few small bolts (10mm).

Purchase a small electric (rechargeable) ratchet or even a screwdriver and zip, zip, zip all out, then zip zip zip all in

Really.. only time i've ever used a pump to remove oil is when working on power boats, as it beats removing the engine
Old 12-04-2014, 08:23 PM
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Don't believe a Chevy oil pan and 928 pan are anything alike. There is a drain plug for a reason. This is beginning to sound like a 911 forum. Need to discuss best polishing cloths and wiper blades next.
Just my $.02
Old 12-04-2014, 09:08 PM
  #29  
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whats so wrong with changing the oil how it should be changed? or is it "to much work for this car"?
Old 12-04-2014, 10:02 PM
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I love when people bitch about belly pans... man up and put up, it's a few extra bolts, and what it does is more important than you being able to get access to the underside more easily. Get an air ratchet next time they go on sale and no more fussing about it.


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