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YOUR RESEARCHMetal shavings in my sump pan.
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Replace sump pan
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Performed · outcome unconfirmed · Original poster
Just replaced the sump pan on my '98 996 C2 Tip', as the old one had been damaged / repaired, and had subsequently started to weep oil.
Leading evidence: 'Replace sump pan' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace sump pan' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Regardless, if the cars still running ok then you've caught it in time...talk to Hartech
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Suggestion
Over time they wear and struggle to maintain pressure, meaning they need more oil pressure to work, hence the ticking at low rpm but not once a bit of pressure is running through the engine.
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Suggestion
Over time they wear and struggle to maintain pressure, meaning they need more oil pressure to work, hence the ticking at low rpm but not once a bit of pressure is running through the engine.
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911uk: 1 discussions
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Hi all,
Just replaced the sump pan on my '98 996 C2 Tip', as the old one had been damaged / repaired, and had subsequently started to weep oil.
When I got the old one off, there were a few 'shavings' of metal sitting in the dregs of oil [/img]
They're like very fine shavings, probably only 1 or 2 thousandths of an inch thick, and very shiny on one side, and a kind of cast steel colour on the other.
Car is running fine, has done 80K, but does have the 'tappy' engine noise (cam follower wear?) between tickover and 1100rpm.
Anyone have any idea what these bits could be, or what they might have worn off? I've heard of magnetising the sump plug to catch bit's like this - anyone think it's worth it, and if so, is the plug aluminium like the sump, or steel?
Thanks!
Haven't a clue what they are off but it doesn't look good.
Normal to get some 'swarf' (iron filings) attached to the sump plug - given that its magnetised which I thought they all were?
I'll move this to the 996 forum....
Isn't the tapping usually cylinder/bore going oval?
I would contact Hartech and describe the symptoms - he could teach Porsche all about the 996 engine :thumb:
The ticking upto 1100 is most likely one or more valve assemblies, they're hydraulic and need oil pressure to function. Over time they wear and struggle to maintain pressure, meaning they need more oil pressure to work, hence the ticking at low rpm but not once a bit of pressure is running through the engine. With 80k on the clock I'd say it was pretty much normal.
Assuming it's not remnants of the damage to your sump, may be bits of the Intermediate shaft bearing. Are there bits of plastic too? Take a look at this thread
http://911uk.com/viewtopic.php?t=55510&highlight=ims
Regardless, if the cars still running ok then you've caught it in time...talk to Hartech
You have my sympathy...
You have to talk to Hartech, not about the Saturday job but they will hopefully identify the evil infidels and know the best course of action. Good luck, let us know how you get on :?
The plastic swarf is even more of an IMS tell tale. Shiny metal can come from anywhere (although the IMS bearings are particularly shiny due to the chromium strengthening).
See here:
http://www.911uk.com/viewtopic.php?t=54280
ims ??
Just read that Autofarm are now offering a retro IMS upgraded bearing that can be fiited in situe. Best to check it before it goes and wrecks the motor.
Ref: in situ IMS solution, see here:
http://911uk.com/viewtopic.php?t=55510
http://www.autofarm.co.uk/engines/water_cooled/shaft_tech2
http://www.lnengineering.com/ims.html#retrofit
Hartech offer a similar option (for less):
http://www.hartech.org/
Thanks very much for all your replies averyone, always great info' shared on here.
Do any of you know how much I'd be looking at to get the IMS done at Hartech, as this is nearer to where I'm at up here in Cumbria?
Cheers.
The info is in that first link I posted above, let me quote/paraphrase Baz:
Not too bad given you get an oil service too.
I think I will be heading north when my clutch goes.
