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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 06-07-2014, 01:46 PM   #1
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Join Date: Jan 2014
Location: Florida
Posts: 12
My Ride: E46--eg hatch
No pressure in the clutch pedal need help

So i recently replace my clutch and i was in the process of putting everything back to normal when i get to the point of bleeding the clutch at first it was going well the pedal got hard, at the one point it was really hard so i try driving the car, yeah the car didnt want to go in gear so i when undet again and got a pump vac to see maybe it still had air in the line well now the pedal dosent get pressure at all its been 3 days and im stuck idk what else to do help plzplz

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Old 06-07-2014, 05:46 PM   #2
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Bump asap

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Old 06-10-2014, 03:45 PM   #3
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Join Date: Jun 2006
Location: San Jacinto, CA
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Two guesses without seeing it. First, and the worse scenario: You missed the clutch fork with the clutch slave piston, or didn't have it mounted entirely right in there where you can't see it. What happens then is you press the clutch pedal and push the slave cylinder piston out some, then you reach the end of its stroke, get a little bit of resistance, and then shoot it entirely out of the cylinder. Pull the clutch slave off and see if it's still in one piece. If not, you'll need to either get very lucky and fish the ejected pushrod out of the bell housing or you'll need to pull the trans off again to get it out. Then buy a new slave cylinder, bleed it with this tool or using an awkward approximation of what that does like I did. (I highly recommend the tool) and be very careful when you reinstall the slave cylinder in the transmission.

Do you remember how easy it was to get the mounting nuts onto the slave cylinder when you installed it? Because it it wasn't a PITA, you missed the clutch fork with the pushrod like I described...

Second possibility: If you're lucky, you just need to properly bleed it. To do that you need to dismount the slave cylinder. I once tried to do it installed and it just didn't work right. I was bleeding it just to flush the fluids out so I know it was mounted correctly as it was working fine beforehand. It needs to be dismounted and be positioned with the bleed screw facing up, and the pushrod pushed all the way in. That's where the tool comes in really handy.
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