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#1 |
Registered User
Join Date: Aug 2014
Location: Portland, OR
Posts: 132
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Questions about master cylinder and prop valve set up.
Hi All,
I've got a 71 c10 longbed. Power brakes. Disks up front and drums in the back. I had a failing master cylinder and had my shop replace it. Brakes seem fine now, but the mechanic may have tweaked some things and I want to check in with you all to confirm that everything looks right. He "upgraded" the master cylinder with a new style. That's all he said he did under the hood besides bleeding and filling. The set up in my pics may be exactly how it was before I dropped it off, but I'm not sure. So, a couple of questions for you: 1) There's a fitting attached to the prop valve that looks like it splits pressure from the back of the master cylinder to the prop valve and to another line that runs through the firewall. Where's that line go? Does that seem right? 2) The port on the prop valve at the front and top is unused. That ok? Thanks in advance! -Jeff |
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#2 |
Senior Member
![]() Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,844
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Re: Questions about master cylinder and prop valve set up.
The line through the firewall is probably for an old school trailer brake controller. Before ABS, it was common to tap into the hydraulic system.
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#3 | |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,200
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Re: Questions about master cylinder and prop valve set up.
Quote:
K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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#4 |
Registered User
Join Date: Aug 2014
Location: Portland, OR
Posts: 132
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Re: Questions about master cylinder and prop valve set up.
Thanks guys!
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