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Front port on Master cylinder wont bleed! #2308431 05/21/17 12:40 PM 05/21/17 12:40 PM
Joined: Oct 2007 Posts: 736 New York R/T1968R/T OP super stock
R/T1968R/T OP super stock Joined: Oct 2007 Posts: 736 New York	Installed a new master and power brake unit on my 68 Charger.I didnt bench bleed it, I thought I could do it on the car. When i tried to bleed it nothing is coming out of the front port. Could it be related to the power brake unit? Should I take it off and try to bench bleed it?

Re: Front port on Master cylinder wont bleed! [Re: R/T1968R/T] #2308578 05/21/17 04:17 PM 05/21/17 04:17 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	take off the MC & measure the protrusion of the rounded nub on the end of the booster pushrod, want ~.020" clearance to the bottom of the rear piston "thimble". live every 24 hour block of time like it's your last day on earth

Re: Front port on Master cylinder wont bleed! [Re: RapidRobert] #2308590 05/21/17 04:48 PM 05/21/17 04:48 PM
Joined: Oct 2007 Posts: 736 New York R/T1968R/T OP super stock
R/T1968R/T OP super stock Joined: Oct 2007 Posts: 736 New York	Could too much clearance cause this?

Re: Front port on Master cylinder wont bleed! [Re: R/T1968R/T] #2308596 05/21/17 05:05 PM 05/21/17 05:05 PM
Joined: Dec 2009 Posts: 20,647 in a cattle trailer down by th... G Guitar Jones Paddle faster! I hear banjo music!
Guitar Jones Paddle faster! I hear banjo music! G Joined: Dec 2009 Posts: 20,647 in a cattle trailer down by th...	Originally Posted By R/T1968R/T Could too much clearance cause this? Too little clearance. It will not allow the piston to return far enough to uncover the inlet from the reservoir. Bleed the master cylinder off the booster. When you are done and putting it back on the booster it should sit flush on the booster without any pressure to put it there. If the pushrod is holding it out then shorten the rod. "Follow me the wise man said, but he walked behind" '92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion. '74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion. 2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.

Re: Front port on Master cylinder wont bleed! [Re: R/T1968R/T] #2308611 05/21/17 05:55 PM 05/21/17 05:55 PM
Joined: Jan 2008 Posts: 2,592 None 71rm23 master
71rm23 master Joined: Jan 2008 Posts: 2,592 None	Originally Posted By R/T1968R/T Could too much clearance cause this? Yes and if you have the wrong bleeder on the front to bleed it, letting air in. Ask me how I know

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