The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)
-   The 1967 - 1972 Chevrolet & GMC Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=3)
-   -   am i going crazy? (https://67-72chevytrucks.com/vboard/showthread.php?t=593226)

BlackedOut67shorty 08-18-2013 04:44 PM

am i going crazy?
 
My c10 had a brake issues where it seemed like eather the master cylinder was bad or there was so much air in the system. I have been trying to find a slow leak in my lines for months but have not been able to find it. And when I moved my truck today, my pedal came back.. I'm going to try and find the leak but I'm boggled kinda and this was a new master. Whatbcould have happened?:uhmk:
Posted via Mobile Device

woodwright 08-18-2013 05:13 PM

Re: am i going crazy?
 
Once I put a new master on my 70. I bench bled it and everything, but I had no pedal. Tried all day to blead it and got nowhere. The next day, it had a good solid pedal, and has worked ever since. So I figure either there was a bubble in there that just needed to work its way out, or the gremlins are getting lazy.

geezer#99 08-18-2013 05:20 PM

Re: am i going crazy?
 
Have you changed or rebuilt the wheel cylinders. You can draw air into the system if they don't seal well.

BlackedOut67shorty 08-18-2013 06:51 PM

Re: am i going crazy?
 
Calipers and wheel cylinders were replaced beforehand. And I tried seeing if they leaked out there but they were bone dry, and I had this happen off and on. I'm going to try and rebleed everything again when I get home. But I've driven it when it happened before and all the fluid was gone, so I added more and tried to find a leak but nothing and it acted as if nothing happened, but that fluid has to be going somewhere and I even checked the inside of the cap to see I'd it leaked in but nuttin but dry
Posted via Mobile Device

geezer#99 08-18-2013 07:49 PM

Re: am i going crazy?
 
Did you look on the inside of the firewall by the steering column. And under the carpet.
M/C will leak out the back.

BlackedOut67shorty 08-18-2013 08:07 PM

Re: am i going crazy?
 
Yeah I did, I was suprised not to see any of the fluid. I do know when my brakes went out last time my dad was following me and he said he saw something like a brake fluid trail come from the back part of my truck. But I keep trying to find where it came out and it seems like there isn't a blown out line. It was a Lil wet going into a union near the front half of the truck. I'm going to try and check now that I have a pedal again to see if the leak is coming from there.
Posted via Mobile Device


All times are GMT -4. The time now is 09:55 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
Copyright 1997-2025 67-72chevytrucks.com