W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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Noise on startup from AC

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Old 08-01-2006, 01:13 PM
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'14 E63s Estate, '21 RR P525, '22 GMC 2500, '23 G63
Noise on startup from AC

Every morning when I start the car when i turn on the AC i get a squealling noise from under the hood. Anyone have this happen to them. I am taking it to the dealership today but wanted to know if anyone has had this happen to them.
Old 08-01-2006, 01:27 PM
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C63S past: E90 M3 6M, w211 E55
could be your belt - put some anti-slip belt spray on the underhood belts to see if it goes away.
Old 08-01-2006, 02:34 PM
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04 E55
Just had a brand new serp belt installed at my dealer....few days later it started squealing like a 1968 Plymouth Valiant. Too embarrased to even drive it like that. I actually used sandpaper to dress the flat top of the belt and the idler pulley to quiet it down.
Old 08-01-2006, 03:22 PM
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Originally Posted by baldmike73
Every morning when I start the car when i turn on the AC i get a squealling noise from under the hood. Anyone have this happen to them. I am taking it to the dealership today but wanted to know if anyone has had this happen to them.
Interesting, mine does that too. How much does this "anti-slip belt spray compound chemical" cost?

Im probably the only dude on here thats going to be *****ing about upkeep money. Im broke yo!
Old 08-01-2006, 03:40 PM
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It's called belt dressing...comes in a spray can at any auto parts store for a couple bucks.
Old 08-01-2006, 05:41 PM
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'14 E63s Estate, '21 RR P525, '22 GMC 2500, '23 G63
thanks will give it a try.
i really need to get my car on a dyno too to see how it runs stock.
had a nice run with a modified 300z TT on 280. I almost choked when he tried to run on the puff of black smoke from his 4 inch GReddy cans. He couldn't shake the beast! It was great.

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