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Discussion Starter #1
I'm in the process of changing the brake fluid in my 2006 SLK 280. I'm having a VERY hard time pulling the fluid through at the wheel cylinders. My vacuum pump is hand operated, lots of vacuum pressure showing on the dial, but it's almost impossible... Any ideas as to what is going on?
 

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Sadly Woolly has passed away
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17,375 Posts
Get an assistant to slowly press down on the brake pedal whilst you have the nipple cracked open. Once they have it pushed down all the way, get them to hold the pedal whilst you tighten it back up again, then they can release it.

This might help to get things moving.
 

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Discussion Starter #3
Thanks for the tip. Now to get my wife fired up to come out into the cold garage and lend a foot! And, I'm sure she'll balk at getting into the car when it's up on jackstands! (I'll remind her that this is a trust issue!)
 

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Premium Member 2013 SLK250
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2,339 Posts
Tip: Make sure the brake fluid at the master is all ways full. After each depress of peddle and closing the value check that the brake fluid tank needs to be filled. best to do this before releasing the brake peddle.
 

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1,314 Posts
Get thee a pressure bleeder - sure makes the job easy.
 
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