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Old 03-12-2013, 07:58 AM
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Egr cooler

Ok we'll after the new alternator drove truck a couple days bluish whitish smoke came back. Parked truck on incline overnight. Pulled egr valve today and very bottom of valve and bottom of manifold are gooey, ever so slightly. So I know cooler is no good but my question is will the mix of coolant and carbon cause this bluish color? I noticed lately that it is always worse at initial start and drive, as soon as motor is to temp for a bit it is usually small amount a smoke unless it idles in traffic for a bit the cloud is bigger. My assumption is as its hot it burns it before it has time to pool up till you get on it again. Also my deltas are always in check, usually 10 to 12 on long highway and never breaks 14 towing. So the oil cooler is partially clogged but is that enough to crack a cooler? I have cleaned valve and it never looked to coked up. Thanks josh
Lucky I already bought the egr gen two from ipr so no an oil cooler and some work!
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Old 03-12-2013, 08:18 PM
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by the time an EGR cooler causes white smoke it's leaking pretty good, good enough you should notice a coolant loss or even venting from the degas bottle, also by now you're valve is usually looking "steam" cleaned. It wouldn't think it would cause bluish smoke. I'd be leaning more towards a turbo or an overfueling injector

can you pull the downpipe out just a hair and peek in at the turbine with a flashlight and a mirror? look for oil or wetness coming from the outlet of the turbo
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Old 03-13-2013, 03:45 AM
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Well the weather sucks so can't check now. I am not loosing coolant but can smell it. Posted early week or so ago and it was suggested that the smell is egr cooler going. That's why I parked it on hill etc. but the smoke is getting worse but truck purrs. Sometimes no smoke sometimes a lot.
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