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YOUR RESEARCHCan bits of a clutch/flywheel get into oil sump?
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Fill oil was full of fine mostly aluminum debris
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Suggestion
My new Cayman S's factory fill oil was full of fine mostly aluminum debris.
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And since apparently other makes of cars do not need this kind of attention would probably have used Porsches out of favor in no time.
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My clutch burned out a while back to the point where it wouldn't shift out of gear and when I did shift it out it wouldn't go back in. Got it replaced and during the replacement metal bits were in the oil sump. Now my car is going on the slab to diagnose/repair what me and everyone else seems to think is an engine failure. BUT, after a lot of thought I was wondering if it's possible that when I burned the clutch up that pieces of the clutch could have gotten into the oil sump.
It's a long shot, and the engine is coming out anyway, but I was just curious if it was possible.
If there are bits of brown material in the sump they probably are chain ramp material.
Unless the engine and clutch exploded into pieces scattered on the floor clutch bits can't get into the sump.
Why was the oil sump plate removed for a clutch job?
What metal bits were found? It is not unknown for some metal bits and other trash to be in the oil sump the stuff having gotten there when the engine was first started in the engine factory.
I pull the sump plate everytime I do an oil service on every car that we see, no matter what. It's good practice with these engines and doing so saves thousands of dollars in collateral damage so often. Lots of people assume that with no symptoms that they have no problems. I am much the opposite, I believe there's always a problem and you just have to find it before it finds you. Until you work on and crew things with rotor blades instead of tires, you'll never think this way.
That said there's no way for debris from the clutch to make it into the engines internals. There's no pathway there.
Do you have photos of this metal in the oil and have you continued to drive the car after finding it?
M96 engines shed lots of material compared to other engines. Today and tonight I've been servicing my fleet and my 200,000 mile G Wagen, 144,000 mile M3, 190,000 mile 500E all had less wear debris in their oil filters than the 40,000 mile Cayman. Tomorrow I'll service 5 more and see what I find.
Dropping the sump plate every service is a bit extreme.
What one would likely spot in there would have the oil filter housing oil and filter showing stuff.
And to only see this every what 5K miles assumes a long lead time from when stuff first appears in the oil sump to when the issue the stuff signals has to be addressed.
My experience with these Porsche engines is with just my Boxster. When I did the oil changes the filter element and filter housing oil were remarkably free of any debris. The same goes for the couple of times I did the Turbo oil/filter service.
My new Cayman S's factory fill oil was full of fine mostly aluminum debris. I expected this which is why I did its first oil change at around 750 miles. The 2nd one around 750 miles later turned up just a tiny hint of alum. in the oil. Done at the end of break in, the 3rd oil change -- and done at the dealer -- and I didn't have the tech bother to collect the housing oil, but the filter element looked ok.
Lots of people assume that with no symptoms that they have no problems. I am much the opposite, I believe there's always a problem and you just have to find it before it finds you.
Given your line of work that's a fine philosophy to have. But if one needed to service these cars like aircraft (helicopters) the cost of owning one and keeping it on the road would cost, well like it costs to keep a helicopter flight ready and would be prohibitive for a car. And since apparently other makes of cars do not need this kind of attention would probably have used Porsches out of favor in no time.
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