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Mod | | | Forums66 Topics128,140 Posts1,056,770 Members48,454 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2012 Posts: 19 New Guy | | New Guy Joined: Mar 2012 Posts: 19 | I have 1 wheel cylinder bleeder that is 3/8 and the other 3 have "tits" sticking out that won't turn. They are internally threaded at 8/32. What is this thing and how do I bleed the brakes? Any info is appreciated. Jim
1953 Chevy 3100 3 window
1997 VW Rialta Motorhome
2011 Fusion
| | | | | Joined: Sep 2011 Posts: 814 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 814 | Jim, I had those on my truck, too. I replaced them with regular bleeder screws. I couldn't figure out how I was supposed to bleed the brakes with that setup and I figured it was easy enough to just put new ones in.
1956 Chevy 3200
| | | | | Joined: Sep 2009 Posts: 433 'Bolter | | 'Bolter Joined: Sep 2009 Posts: 433 | If your wheel cylinders are in good shape try Speed Bleeders for replacements... Makes bleeding brakes easy when doing them alone...
1954 Chevy 3104 3 Window Hydra-Matic in my family for over 60 Years
Once in a while you get shown the light in the strangest of places if you look at it right... "Scarlet Begonias" Grateful Dead 1974
| | | | | Joined: Mar 2012 Posts: 19 New Guy | | New Guy Joined: Mar 2012 Posts: 19 | Chucked that thing in a vise and vise grips and chisel wouldn't budge the screw.I drilled it out and popped the sealing part out of the hole. Chased the threads with a 5/16-10 NC. Tried screwing the normal 3/8 bleeder screw in, but it has a looks like NF thread. They have different threads in some wheel cylinders? I don't think I actually cut new threads because the tap went in easy. Jim
Last edited by Jimbar; 04/05/2012 7:06 PM.
1953 Chevy 3100 3 window
1997 VW Rialta Motorhome
2011 Fusion
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