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Old 06-07-2014, 03:09 PM
Bulk Bulk is offline
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Coolant in intake manifold (N62)

Hey guys,

First post here, have been active on Xoutpost but hoping to reach a wider audience. I have an 04 E53 4.4L N62 with 125,000 Miles on the clock and have had coolant leaking for the past month, no codes no rough running. I took the throttle body off as I was going to check the expected culprit of the crossover pipe running under the intake manifold and I found this. It's the first time I've noticed the inside of the intake manifold with a green coating. Is this a symptom of the crossover pipe below the intake manifold or is it worse like a head gasket?

Coolant in Australia is a fluro green colour

Hopefully you guys/gals can help

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Old 06-07-2014, 11:34 PM
///Bruce ///Bruce is offline
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Location: Houston
Join Date: Mar 2006
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Mein Auto: 2002 X5 4.6is
Could try some Permatex before you reinstall.
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Old 12-22-2014, 03:10 AM
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musa musa is offline
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Mein Auto: 528, X5, 335i, X6M
That's the normal color of the inside of intake manifold. Mine looks the same.

E39 528ia, E53 X5 4.4 Sports, E92 335i coupe, X6M 2015
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