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GMC didn't make the deadline for my trip! [message #130506] Thu, 16 June 2011 23:10 Go to previous message
thorndike is currently offline  thorndike   United States
Messages: 406
Registered: January 2011
Location: Conifer, Colorado
Karma:
Senior Member
Well, I WAS planning on taking the GMC to visit my brother in Colorado this week. My plan was to leave on Saturday morning. To get ready, I started replacing the isolation pads on Memorial Day to be followed by the disc brake upgrade.

As usual things took longer than expected. I did get the pads replaced after a few days and then started on the brakes. Well, JimK's brake it is fairly simple to install. It is everything else involved that takes time! I found myself dealing with broken and stuck cotter pins, discovering that the dealer I bought it from neglected to connect a shock absorber, rounded brake line connectors, bad master cylinder, etc. I could not have done it without JimK's help over the phone. He kept in touch to make sure that everything was going well, and when it wasn't offered advice that was always on the mark. Thanks Jim.

Well, tonight I had to make the call and cancel the GMC trip. I have been unable to get the brake lines bled completely. I have a power bleeder but have been unable to get a complete seal around the master cylinder, so even when I pressurize the pump to 1-2 psi, I blow fluid out between the seal. When that hasn't worked, I have had my son, and some friends pressing the pedal while I open and close the valve at each wheel. I started bleeding the wheels on Tuesday after work and have continued each evening until dark. That is now about 10 hours of brake bleeding with no success. I have run over a gallon of brake fluid through the lines and still the pedal goes to the floor.

I am getting fluid moving through the lines and I am not seeing any air bubbles coming out as I bleed them. I have also kept an eye open for leaks elsewhere in the system but haven't seen any spots on the ground to indicate another leak.

Any thoughts?


Robert Peesel 1976 Royale 26' Side Dry Bath Conifer, Colorado

[Updated on: Thu, 16 June 2011 23:11]

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