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#1
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EGR oil gunk deposits in 603 intake manifold
Wondering if I should be concerned with the oily gunk built up over the years from the EGR in the crossover and intake manifold?
It is in the head, in the intake chamber, too though that would be hard to clean without dropping oily gunk into the cylinder. Not so much that it would impede airflow (I think). But it looks kind of bad. My tendency is to clean clean clean stuff like this, but it ain't easy unless you've got a good parts washer which I don't. Any thoughts?
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DS 2010 CL550 - Heaven help me but it's beautiful 87 300D a labor of love 11 GLK 350 So far, so good 08 E350 4matic, Love it. 99 E320 too rusted, sold 87 260E Donated to Newgate School www.Newgateschool.org - check it out. 12 Ford Escape, sold, forgotten 87 300D, sold, what a mistake 06 Passat 2.0T, PITA, sold Las Vegas NV |
#2
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If it isn't built up to the point that it's restricting flow, leave it be. It won't hurt anything. Block off the EGR to keep that crap out of the manifold in the future. If it's built up to the point that it's restricting the intake runners, time for a soak and scrub. It's a mess and takes a lot of time.
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#3
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Quote:
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DS 2010 CL550 - Heaven help me but it's beautiful 87 300D a labor of love 11 GLK 350 So far, so good 08 E350 4matic, Love it. 99 E320 too rusted, sold 87 260E Donated to Newgate School www.Newgateschool.org - check it out. 12 Ford Escape, sold, forgotten 87 300D, sold, what a mistake 06 Passat 2.0T, PITA, sold Las Vegas NV |
#4
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My SDL was so choked with soot that the intake runners were down to ~1.5cm in diameter. It took 2 weeks of soaking, scrubbing, rinsing, and repeating to get all that crap out. Big, Big, BIG mess. The 350SD's manifold wasn't bad at all, despite having working EGR when I got the car.
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