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CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

fuel pump

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Old Mar 30, 2014 | 07:55 PM
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CLK430
fuel pump
Can any of you guys hear your fuel pump while the car is running, I noticed it today while looking under the back of the car. Not sure if I just never paid attention or perhaps the fuel filter is getting stuffed up a bit
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Old Apr 3, 2014 | 12:55 PM
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CLK430
will someone humor me and start there car up and go near the rear passenger wheel and let me know if they can hear the fuel pump?
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Old Apr 4, 2014 | 02:47 AM
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Mercedes CLK 200 - 1998
What does it sound like?
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Old Apr 4, 2014 | 10:18 AM
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2002 CLK430
If the fuel pump is making noise you may want to ensure the blue insulation around the pump is intact.

If I listen closely from inside the car I can hear the pump. I can't hear anything above the exhaust and engine noise from outside the car.
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Old Apr 4, 2014 | 10:14 PM
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CLK430
it sounds like a fuel pump making a zzzzzzzz noise as it works. I didn't see any blue insulation on or near it.
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Old Apr 5, 2014 | 02:54 AM
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If the insulator isn't there, it should be. Being bright blue, it's kind of hard to miss.
Attached Thumbnails fuel pump-rentawreck.jpg  
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Old Apr 5, 2014 | 07:15 AM
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1998 CLK 320
Fuel Pump
You might want to change the fuel filter to prevent the pump from over-working itself.Never hurts to give your baby clean fuel!
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Old Apr 6, 2014 | 03:58 PM
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CLK430
there is no blue anywhere under there! I bought a fuel filter now I just need a decent day to finish it.
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Old Apr 6, 2014 | 05:56 PM
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2002 CLK430
That may be why you're hearing noise. On my car, its purpose appears to be as an insulator. You can probably make your own with sheet rubber.
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