I am wonder how that accumulation affect the performance of the pollution
control and if it is still working effectively?
-----Original Message-----
From: Buggered Benzmail via Mercedes
Sent: Tuesday, February 15, 2022 11:18 AM
To: Mercedes Discussion List
Cc: Buggered Benzmail
Subject: Re: [MBZ] Oil Cooler Leak Repair ( 2012 ML350 Bluetec )
WOW! That is crazy the amount of gunk in there.
--FT
Sent from iFōn
On Feb 15, 2022, at 11:15 AM, Robert Massmann via Mercedes
<mercedes@okiebenz.com> wrote:
Well all I am in the process of trying to change the seals on my Ml 350
BT. I am getting a good feel for why this is such and expensive repair job
with limited access and the number of parts that need to be removed. In
the process I have had to remove the air control assembly that delivers
the intercooled air to the intake manifold. There is a larger amount of
soot buildup the second photo came from the inlet of the intake manifold
that I could reach and haven’t touched the assembly that is shown in photo
1. I did see some oil in the inlet to the turbo intake side as well as the
transferee tube to the intercooler. May just replace crankcase ventilation
valve while I have things apart. The exterior of this valve is quite oily.
Car has about 87K miles on it. I have three more screws to remove before I
can remove the turbo, one of which I can not see.
Will try and give an update in a day or two.
Bob Massmann
2012 ML350 BT 87K
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