 Grime On The Bottom Of The Tb, that's not normal, is it? |
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  Jul 8 2004, 01:43 AM
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#1
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Advanced Member  Group: Advanced Members Posts: 452 Joined: 12-January 04 From: Charleston, SC Member No.: 121  |
I was looking around, and I found a bunch of grime on my throttle body. Is this normal? I took it apart because the whole lid/maf assembly was a bit wobbly, and when I tried to put it back on, the bottom part of the bellows seemed to be pinched a bit, leaving a small opening on the bottom.
(IMG:http://www.allmod.net/PostCamTB001.jpg) I reattached everything, and it seemed to fit better now, without any slits/openings. Should I take it apart and make it all shiney? How safe is it for a mechanical idiot to clean the throttlebody? What should I use? Would any generic degreaser and a rag do? sorry for being a mechanical idiot, Marcin |
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Jul 8 2004, 02:20 AM
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#2
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Senior Member Group: Advanced Members Posts: 5,226 Joined: 24-December 03 From: Danville, CA, USA Member No.: 27 |
....you might as well clean it while in there, but it looks normal to me...mine...older LT1...was GROSS!
(IMG:http://www.frrax.com/rrforum/style_emoticons/default/biggrin.gif) |
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Jul 8 2004, 04:07 AM
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#3
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Veteran Member Group: Advanced Members Posts: 2,640 Joined: 25-December 03 From: Louisville, KY Member No.: 40 |
Normal. That's carbon build up from egr gas. You get it on dry intake manifolds.
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Jul 8 2004, 12:53 PM
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#4
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Seeking round tuits Group: Advanced Members Posts: 5,522 Joined: 24-December 03 From: Kentucky Member No.: 33 |
The other problem is that the LS1 was carefully designed to spray motor oil into the intake manifold right behind the throttle body (through the PCV system (IMG:http://www.frrax.com/rrforum/style_emoticons/default/rolleyes.gif) The oil carries some sludge with it, and also collects grime from the EGR system.
Sea Foam will soften it enough to wipe off with a rag. Don't use anything stronger or anything containing silicone, though. |
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