fan real loud when ac is on - Mercedes-Benz Forum

 
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post #1 of 9 (permalink) Old 05-31-2011, 03:50 PM Thread Starter
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Date registered: Jan 2011
Vehicle: 2003 Mercedes CLK55
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fan real loud when ac is on

for some reason the fan on my 03 clk55 sound like a jet engine. seems like it sounds like that when the ac is on. does anybody have any idea what could be the problem?
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post #2 of 9 (permalink) Old 05-31-2011, 08:04 PM Thread Starter
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15 views and not one idea of what it could be
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post #3 of 9 (permalink) Old 05-31-2011, 10:53 PM
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You could get serious and post in or search the W209 CLK Class Forum.

A simple search on "loud fan a/c" in that forum found a number of interesting posts such as Fan sounds like jet engine '04 CLK 500. Consensus is that it's normal.

You're welcome.
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post #4 of 9 (permalink) Old 06-01-2011, 07:48 AM Thread Starter
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thank you i will look into it
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post #5 of 9 (permalink) Old 06-01-2011, 01:25 PM
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People tend to reply only if they have information for you, and with thousands of members on at any given moment, and this being posted in the general forum where most people will have no familiarity with your car, I am not surprised that the first 15 people didn't have any input. Car problems can be frustrating, but be realistic in your expectations to ensure a pleasurable time on Benzworld.

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post #6 of 9 (permalink) Old 06-01-2011, 01:37 PM
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Bearings at the shaft? If there's a fan clutch maybe that? Later.

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post #7 of 9 (permalink) Old 06-11-2011, 10:02 AM Thread Starter
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can it be because of different coolant that was put in there? prior to me hitting the deer. the coolant was blue and now its yellow. would anybody suggest water wetter for the engine to run cooler?
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post #8 of 9 (permalink) Old 06-12-2011, 04:44 AM
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My 2004 CLK500 "takes off" when the a/c is on max... I've seen other posts about the sound. I don't like it, but I've decided it's normal. It doesn't sound like a bad bearing or anything like that. Just extremely high RPM's of the fan, at least in my opinion (and on my car).
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post #9 of 9 (permalink) Old 10-19-2011, 02:40 PM
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My 2006 CLS sounded the same way! My 2008 CLK also. Went to the dealer twice and it is normal. Only happens when you press the max ac. If you just push the fan button it will not do it. Hate it but it's normal!

Jay/PB FL
2008 CLK 550 CAB
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