C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Bleeding

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Old May 17, 2023 | 09:23 AM
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2001 C240
Bleeding

What size bleeding tube do I need to cover the entire screw? The one I have just covers the nipple and that is not even tight enough. I’m assuming that this may be my issue. I don’t know, because I tried two- man and still cannot bleed the system and still have no brakes. So maybe if I cover the whole entire valve with the tube. But what size? I don’t want to keep ordering wrong stuff all online.

Thanx

Last edited by jblack.215; May 17, 2023 at 10:22 AM.
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Old May 17, 2023 | 09:25 AM
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Originally Posted by jblack.215
What size bleeding tube do I need to cover the entire screw? The one I have just covers the nipple and that is not even tight enough. I’m assuming that this may be my issue. I don’t know, because I tried two- man and still cannot bleed the system and still have no breaks. So maybe if I cover the whole entire valve with the tube. But what size? I don’t want to keep ordering wrong stuff all online.

Thanx
Measure the nipple with calipers and buy the next standard size smaller. I bought tubing at Lowe’s / big box store. Have you watched yt vids?
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Old May 17, 2023 | 10:22 AM
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2001 C240
Originally Posted by chassis
Measure the nipple with calipers and buy the next standard size smaller. I bought tubing at Lowe’s / big box store. Have you watched yt vids?
Yea I watched vids, but didn’t get a size from them. Thanx for reply. I just didn’t want to buy the wrong size and figure someone on here has already done this and know.
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Old May 17, 2023 | 11:10 AM
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w203cl
I just replaced two calipers and hoses and did only gravity bleeding without problems. You have probably a different issue?
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Old May 17, 2023 | 12:31 PM
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2001 C240 Base
Originally Posted by 112233
I just replaced two calipers and hoses and did only gravity bleeding without problems. You have probably a different issue?
yea I’m thinking that may be the case.
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Old May 18, 2023 | 10:32 PM
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Originally Posted by First_Benz1
yea I’m thinking that may be the case.
Sounds like you are pressure bleeding and the hose size at the nipple doesn't matter as much. I am guessing yoir brake master cylinder is going bad.
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Old May 18, 2023 | 11:01 PM
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2001 C240 Base
Originally Posted by white_335i
Sounds like you are pressure bleeding and the hose size at the nipple doesn't matter as much. I am guessing yoir brake master cylinder is going bad.
Im gonna research symptoms. But while I have y’all guys attention, I will see if you can answer this… The rear lower control arm wouldn’t line up with the bolt hole on the knuckle. It took hours, help, crow bar and a destroyed bushing. The arm was just bought, so it couldn’t have been that and bushings couldn’t have been that bad prior. Could it be an alignment?
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