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| | | Forums66 Topics128,076 Posts1,055,920 Members48,429 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Nov 2012 Posts: 96 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 96 | OK...I thought I seen just about everything when this morning I'm bleeding the brakes and I develop a leak in the filler cap of the master cylinder. not around the edge but in the casting at the point where the nut and flange cap meet....crazy. I'm guessing there may be a hairline crack in the casting or it has become porous enough after 74 years it leaks....
anyone have a source for another cap?
thanks | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Mr. Crosswrench, the old hydraulic brake systems were vented, usually by a small hole drilled sideways where the square or hex meets the flange, hope that helps. Please remember to include the year, make and size of truck you're inquiring about. | | | | | Joined: Nov 2012 Posts: 96 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 96 | that was it....never occurred to me. Thanks | | |
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