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| | | | Joined: May 2010 Posts: 162 'Bolter | | 'Bolter Joined: May 2010 Posts: 162 | I have a 1960 Chevy 1/2 ton with a 283 and four speed. I just replaced the master cylinder and the hydraulic clutch slave cylinder hydraulic line. I'm not getting any brake fluid to the slave cylinder. I have brake pedal but no clutch. The clutch pedal goes to the floor and stays. Any suggestions? | | | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | Get a 1960 manual and install per that. It is not real technical. Adjust per manual, including pedal travel, plumbing, return spring, push rod adjustment. You will find the problem.
You say you are not getting any brake fluid to the slave. Check reservoir fill. Check under dash push rod and slave push rod adjustment per manual. I assume you bled the slave?...and see no fluid?
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
| | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Make sure the clutch master goes to the slave, brake master goes to brakes!
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
| | | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | I thought that too but he said he had brake pedal.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
| | | | | Joined: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | The master to slave cylinder is just a straight column of fluid with no residual pressure valve incorporated into the flare fitting seat like the brake side. When the pedal goes down so does the fluid and when the pedal comes back up so does the fluid. This makes the pump up and bleed method impossible. We have had our best luck reverse bleeding; pushing pressurized fluid into the bleeder valve till master cylinder overflows. Another method (gravity bleed) is to top off mc and barely crack open the bleeder valve and let set overnight. If there is several drops of fluid on the floor in the morning shut bleeder and you should have a working clutch. I could use a 60-62 bell housing with the passenger side clutch release arm so if you have an extra let me know.
Evan
| | | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | The slave has a bleeder valve. The manual says bleed there. Push on clutch pedal, open valve, close valve before reaching bottom. Then let pedal up. Easy.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
| | | | | Joined: May 2010 Posts: 162 'Bolter | | 'Bolter Joined: May 2010 Posts: 162 | I will try cracking open the bleeder valve and letting it sit. The info about the fluid movement is certainly helpful. Thanks to everyone. I'll post my results. | | | | | Joined: May 2010 Posts: 162 'Bolter | | 'Bolter Joined: May 2010 Posts: 162 | Thanks to everyone for the advice. Bartamos and coilover nailed the solution.
Last edited by ole green; 10/05/2019 12:41 PM.
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