charge air cooler ReInstall - what's up/down ?

nut

59yo audio engineer
I've taken off the Charge Air Cooler a few weeks ago and don't know what's top or bottom :laughing:

It can install in both directions and has no in/out references or marks :thinking:

One port is sootier, caked on, dryer.

The other port is caked but oily. Intercooler hose side?

And should I flush it with carb cleaner or the like?

cheers, neb
 
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Midwestdrifter

Engineer In Residence
Just for follow up, Nut indicates his input/output are the same size, which is probably typical of OM647s. I am inclined to believe the cooler is symmetrical, so can be mounted either way.
 

nut

59yo audio engineer
Just for follow up, Nut indicates his input/output are the same size, which is probably typical of OM647s. I am inclined to believe the cooler is symmetrical, so can be mounted either way.

Yep, I went with the oilier side being the intercooler hose side and the drier side being turbo side. It doesn't matter which way you hook it up new, but I wanted the same direction after some 15 years. I took it out some weeks ago and didn't mark direction.

I installed the charge air cooler this morning (among other things) and my 05' is running sweet.

Cheers, nut
 

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