C32 AMG, C55 AMG (W203) 2001 - 2007

coolant loss

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Old 03-04-2012, 03:53 PM
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c32 amg
coolant loss

Ther are alot of threads on this subject but i just dont kno where to start.
I have to fill my coolant once a month and I know this is not normal.
I checked my coolant cap and heat exchanger for leaks no sign of any thing. can any body tell me my next step or any ideas on what it can be.
thanks
Old 03-04-2012, 03:56 PM
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surge tanks, are you seeing coolant spills around the bottle?
Old 03-04-2012, 04:05 PM
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do you mean the coolant tank
Old 03-04-2012, 07:18 PM
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2008 A8L, 2002 996TT X50, 2009 X5
Originally Posted by jason 1432
do you mean the coolant tank
I think he means that you might have a leaking intercooler core (not heat exchanger). The sure-fire test is to remove your cast AMG manifolds, and check for a buildup of dried coolant residue. I believe boohooramblers had an excellent thread on this topic.

I was losing coolant recently as well, and suspected the IC core. Turned out to be a small tear on one of the upper coolant hoses instead. Good luck with your diagnosis.
Old 03-04-2012, 10:42 PM
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Originally Posted by c32AMG-DTM
I think he means that you might have a leaking intercooler core (not heat exchanger). The sure-fire test is to remove your cast AMG manifolds, and check for a buildup of dried coolant residue. I believe boohooramblers had an excellent thread on this topic.

I was losing coolant recently as well, and suspected the IC core. Turned out to be a small tear on one of the upper coolant hoses instead. Good luck with your diagnosis.

Thanks for your help I took apart every thing today and found massive amounts of biuld up. its all full of dried coolant now waht do I :-(
Old 03-05-2012, 06:41 AM
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2008 A8L, 2002 996TT X50, 2009 X5
Originally Posted by jason 1432
Thanks for your help I took apart every thing today and found massive amounts of biuld up. its all full of dried coolant now waht do I :-(
Well, to fix the root cause, you'll need to source a new intercooler.

Conventional wisdom suggests the OEM part is best - there are no successful aftermarket alternatives that I'm aware of. From memory, I think the IC runs $800-$1k or something like that.

Replace the IC, clean out the cast manifolds, and you should be good to go... assuming there's nothing else wrong.
Old 03-05-2012, 09:14 AM
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Thanks man I guess I'll start looking around for one
Old 03-05-2012, 10:17 AM
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I can sell you a used one for 400.00 + shipping, My first one was bad, So I ordered an aftermarket one, but they also included a OEM one for free, The aftermarket didn't fit, so I installed the OEM one, and used it for 6 months until I could fix the aftermarket one.

So this one is about 6-12 months used, works fine, no leaks
Old 03-05-2012, 10:55 AM
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Originally Posted by c32AMG-DTM
Well, to fix the root cause, you'll need to source a new intercooler.

Conventional wisdom suggests the OEM part is best - there are no successful aftermarket alternatives that I'm aware of. From memory, I think the IC runs $800-$1k or something like that.

Replace the IC, clean out the cast manifolds, and you should be good to go... assuming there's nothing else wrong.
Originally Posted by OverDrive
I can sell you a used one for 400.00 + shipping, My first one was bad, So I ordered an aftermarket one, but they also included a OEM one for free, The aftermarket didn't fit, so I installed the OEM one, and used it for 6 months until I could fix the aftermarket one.

So this one is about 6-12 months used, works fine, no leaks
I thought they didn't make after market intercoolers
Old 03-05-2012, 02:11 PM
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2008 A8L, 2002 996TT X50, 2009 X5
Originally Posted by jason 1432
I thought they didn't make after market intercoolers
Code 3 tried to make them for awhile, but IIRC had fitment/quality control issues. I don't know anyone else that has successfully made (or improved) upon the OEM one.
Old 03-05-2012, 02:12 PM
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Oh, forgot to mention - OD's offer above is a good one; if the part is as advertised, I'd go that route if I were you.
Old 03-05-2012, 04:34 PM
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Originally Posted by c32AMG-DTM
Oh, forgot to mention - OD's offer above is a good one; if the part is as advertised, I'd go that route if I were you.
SECOND that, Dan is an awesoeme guy, stand up....and this price is a steal, so you should jump on it.

I just paid $920 plus shipping on parts.com.
Old 03-06-2012, 11:28 AM
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I think this is some thing to buy new ?
Old 03-06-2012, 01:13 PM
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Originally Posted by jason 1432
I think this is some thing to buy new ?
It is up to you. The diff is over $500. There is no end to how much you can spend on these cars. Check this out: http://www.needswings.com/Intercoole...ermalIC32.aspx
Old 03-06-2012, 01:18 PM
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I kno I looked at the same thing last night but I think im just going to go new at Mercedes becuase I plan to keep this car for a while and atleast I'll know it's brand new
Old 03-06-2012, 04:41 PM
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BTW, when I initially ordered mine, they said it was backordered and might take 2 weeks or longer, but it ended up coming in a week.

I would have bought Dan's IC, but I didn't know he had it till after my new IC was already shipped.
Old 03-06-2012, 09:40 PM
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Originally Posted by Gramma_Benz
BTW, when I initially ordered mine, they said it was backordered and might take 2 weeks or longer, but it ended up coming in a week.

I would have bought Dan's IC, but I didn't know he had it till after my new IC was already shipped.
My bad lol, I should have check the forums sooner....
Old 03-06-2012, 09:55 PM
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Originally Posted by OverDrive
My bad lol, I should have check the forums sooner....
No worries brother, I appreciate the offer. It's my daily, so I placed the order pretty quick.

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