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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Sep 2007 Posts: 54 'Bolter | | 'Bolter Joined: Sep 2007 Posts: 54 | Just got my new master cylinder from Alretta Truck Parts, Inc. Just what is the best/proper way to bench bleed this rascal?
Thanks
Last edited by 57NAPCO; 12/03/2012 3:23 PM.
..."some gave all, KIA"...
| | | | | Joined: Mar 2012 Posts: 211 'Bolter | | 'Bolter Joined: Mar 2012 Posts: 211 | I just did this in my '42. Bought the proper brake line, made a loop back to filler hole, put in vice, fill with brake fluid and start pumping till all bubbles are gone. Paint it first though. | | | | | Joined: Sep 2007 Posts: 54 'Bolter | | 'Bolter Joined: Sep 2007 Posts: 54 | Thanks! Off to napa to get a brake line.
..."some gave all, KIA"...
| | | | | Joined: Sep 2007 Posts: 54 'Bolter | | 'Bolter Joined: Sep 2007 Posts: 54 | Question, mine does not have the bleeder valve (for wheel cylinders) that I'm used to seeing. All of my wheels have a 3/8 hex nut with hole in it and a 5/16 bolt screwed into it...what's the deal here....confused.
..."some gave all, KIA"...
| | | | | Joined: Dec 2003 Posts: 1,144 'Bolter | | 'Bolter Joined: Dec 2003 Posts: 1,144 | Some of the wheel cylinders I've bought have had that type bleeder screw. Not sure why either. Can't remember now whether they were in reproductions or NOS I've bought both. The bolt head may have been 5/16 diameter of bolt smaller.
Last edited by kb3csw; 12/05/2012 8:30 AM.
| | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | My '53 6400 is all original with 16K on it and the wheel cylinders all have the plug/bolt in them. They do have a 5/16" head on them but the screw size is more like a #6 or #8. Many of the old shop manuals show this type of bleeder. My guess would be that it is to keep the bleeder hole clean and dirt free. | | |
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