Umm... What the Frak is This Crap?

"K-Roll-PorscheTamer" (k-roll390) 03/15/2014 at 17:20 • Filed to: 911

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In the full meaning of the question; I pop open the 911s engine for a quick look around and I find THIS on the roof of the engine bay:

I'm ashamed to say this has gone unnoticed for quite some time and I'm not sure how to go about cleaning it. It's some kind of deposit of something, oil or gas or a mix of something? it's flaky too... Also, how do I actually make the engine somewhat decent-looking again? The radiator fan for example.

puddler > K-Roll-PorscheTamer 03/15/2014 at 17:52

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is it clutch dust? and pull that cooling fan & polish it.

K-Roll-PorscheTamer > puddler 03/15/2014 at 17:54

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Not sure what it is. A friend of mine thinks it may be grease.

Timmy - MINI With a Big Blower > K-Roll-PorscheTamer 03/15/2014 at 18:02

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Looks like grease buildup of some sort to me, also just pull the fan and clean it up.

K-Roll-PorscheTamer > Timmy - MINI With a Big Blower 03/15/2014 at 18:04

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Fantastic! Thank you. In your opinion, minus the fan, would you consider the engine to be clean-looking as is?

puddler > K-Roll-PorscheTamer 03/15/2014 at 18:05

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gotta find where the grease came from. grease is usually inside stuff that needs it...

K-Roll-PorscheTamer > puddler 03/15/2014 at 18:32

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Hmm, I wonder what part it came from. Time to do a quick forum search.

puddler > K-Roll-PorscheTamer 03/15/2014 at 18:38

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or jack the car up, crawl under, and take a look.

K-Roll-PorscheTamer > puddler 03/15/2014 at 18:53

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I haven't got a jack :(

I'll have to take it over to a mechanic to check her out.

puddler > K-Roll-PorscheTamer 03/15/2014 at 18:55

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got curbs? drive one side up onto a curb, should be enough room to shimmy around underneath, touching her dirty bits.

K-Roll-PorscheTamer > puddler 03/15/2014 at 18:57

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......I can't trust myself to do that without scuffing a wheel; but I think I can create a makeshift ramp to get her a couple inches in the air, or enough to get underneath with my head.

Timmy - MINI With a Big Blower > K-Roll-PorscheTamer 03/15/2014 at 20:18

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It doesn't look too bad I don't think.

evil2win > K-Roll-PorscheTamer 03/15/2014 at 23:33

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Your engine bay looks pretty clean for a driver. It's hard to tell from the picture, but it kind of looks like open cell foam that was glued there to quiet vibrations, and it's just decaying. There really shouldn't be anything up there spraying grease or oil. all the grease and oil in those engines tends to be lower in the engine bay. it's all cooling fan and air intake up there, nothing that leaks oil or grease. Older vibration suppressing foam gets gummy as it decays.

The Opponaut formerly known as MattP123 > K-Roll-PorscheTamer 03/16/2014 at 11:54

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Looks like deteriorating foam to me...

K-Roll-PorscheTamer > The Opponaut formerly known as MattP123 03/16/2014 at 12:12

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Yeah. It is that sound-deadening foam someone mentioned earlier. I looked at the engine again this morning and it all made sense to say the least. :P

Wonder if it's necessary to replace or not, because I'm gonna gently scrape that stuff out!

The Opponaut formerly known as MattP123 > K-Roll-PorscheTamer 03/16/2014 at 13:13

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Rip it out and save a few ounces. Because racecar.