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Old December 28th, 2011, 16:51   #1
tbone1989
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Default Best way to prevent intercooler from icing?

Ive been reading a few different posts on this, and ive heard of a few different ideas. So my question is, what is the best method to help prevent the intercooler from icing? I was told to maybe get pipe insulation from home depot and cover up the upper and lower grill with it, seen this on mk4's but would this work on my mk6?
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Old December 28th, 2011, 17:10   #2
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I know it's located down low and you guys in the north deal with far more snow and cold than I do but, won't the heat from the compressed air keep it melted off?
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Old December 28th, 2011, 17:21   #3
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not from what i hear, and from all the stuff ive been reading, the 2011's are having a big problem
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Old December 28th, 2011, 18:50   #4
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Best method is "leave it alone". It won't ice up to its detriment. Us folks in the North haven't had any problems with this...
Drive more worry less
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Old December 29th, 2011, 06:50   #5
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Drive more aggressively, push the moisture out of the system and DON'T let it pool up.

Lugging the TDI will cause a build up of moisture and leave it to freeze in the intercooler.

The problem is the result of incorrect driving of the car, not the car.
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Old December 29th, 2011, 06:55   #6
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Pete, with so many people having the problem I find that hard to believe. More people are having the issue this year because the winter is milder. Driving harder will not stop water from turning to ice as it hits the below freezing aluminum.

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Old December 29th, 2011, 07:03   #7
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I drive it aggressive for the most part, not beating on it, but after its warmed up I shift at 3,000, and when I get on the highway I get it up to the 4,000 range.
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Old December 29th, 2011, 08:02   #8
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My FMIC is the second closest thing to the ground (first being the oil pan). I realize this isn't an apple to apples comparison, but I've never had ICE build up so substantially I thought there would be a problem.

Its cold outside to start with so the intercooler doesn't need to be as efficient. Besides, appears your car is still pretty much stock, no need to worry I would think. are the 2011-2012 diesels equipped with FMIC stock now? I never paid any mind but if they are that's pretty interesting.
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Old December 29th, 2011, 08:03   #9
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Keeber: The problem is that the CR Jetta and Golf feed post-catalyst exhaust back into the intake. Ever see steam coming from your exhaust on a cold day? That's what's condensing inside the intercooler, turning to ice, then melting when the car is parked.

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Old December 29th, 2011, 08:09   #10
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I think I have a side mount IC, I know there is a TSB kit from the dealer that is on a big back order right now, and they need to find a reason to replace it, from what I hear it help with this problem, but I'm trying to prevent it, not wait until it happens then tow it to the dealer
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Old December 29th, 2011, 08:20   #11
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Quote:
Originally Posted by Drivbiwire View Post
Drive more aggressively, push the moisture out of the system and DON'T let it pool up.

Lugging the TDI will cause a build up of moisture and leave it to freeze in the intercooler.

The problem is the result of incorrect driving of the car, not the car.

With rising engine load and engine RPM, the recirculation of exhaust gases is shifted to the Low Pressure EGR system to increase the recirculation rate.

Is this were most of moisture comes from?I do agree about not lugging the TDI.
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Old December 29th, 2011, 08:20   #12
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For the record, this topic is about MOISTURE CONDENSATION INSIDE the intercooler, lovingly known as intercooler icing because it will sometimes freeze inside the intercooler.

Driving more aggressively WILL NOT solve the problem.

The only solutions to the problem are 1.) Deleting the cause of the problem, or 2.) Installing an ECU controlled air to water intercooler system that will keep the cooler above the dewpoint of the charge air.

It is obvious that solution number 1 is both a cheaper and a less complicated option.
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Old December 29th, 2011, 18:05   #13
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Red Green tricks - 3M 2" duct tapes - inexpensive and works well.


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Old December 30th, 2011, 06:21   #14
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This is my 9th winter with my TDI and have experienced temps as low as -42. No problems with icing up. Square tires and concrete seats yes but no intercooler ice.
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Old December 30th, 2011, 06:27   #15
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Quote:
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This is my 9th winter with my TDI and have experienced temps as low as -42. No problems with icing up. Square tires and concrete seats yes but no intercooler ice.
It just happens to CR engines from 09 to 12 excluding the Passot which has air to water I/C.
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