notjustair
Well-known Member
I think I know what?s going on but I thought I?d check with you all...
1974 Ford F600. Pulled it out of the shed to haul beans and no brake pedal at all. Brake fluid was all gone but no wheel cylinders had leaked. I put fluid in it and they didn?t pump up (it did it once before and I caught it before the lines were dry). I started bleeding the brakes and about the time I got a little pedal there was smoke rolling out of the tailpipe like you?ve never seen. It wasn?t antifreeze and didn?t really have a smell. There was so much that some ran out of the donut flange by the manifold. What does a good farmer do? Taste it! It was brake fluid coming through the engine.
My thinking is that the vacuum operated booster (on Chevy it is a Hydro-vac) has blown seals, the fluid crossed over to the vacuum side, and once there was enough it got pulled into the intake. Is this a reasonable asssumption?
It a eems the rebuild kit is no longer available but the unit itself is only about $250 at Napa so it isn?t like the old Chevy I had to do in the spring.
1974 Ford F600. Pulled it out of the shed to haul beans and no brake pedal at all. Brake fluid was all gone but no wheel cylinders had leaked. I put fluid in it and they didn?t pump up (it did it once before and I caught it before the lines were dry). I started bleeding the brakes and about the time I got a little pedal there was smoke rolling out of the tailpipe like you?ve never seen. It wasn?t antifreeze and didn?t really have a smell. There was so much that some ran out of the donut flange by the manifold. What does a good farmer do? Taste it! It was brake fluid coming through the engine.
My thinking is that the vacuum operated booster (on Chevy it is a Hydro-vac) has blown seals, the fluid crossed over to the vacuum side, and once there was enough it got pulled into the intake. Is this a reasonable asssumption?
It a eems the rebuild kit is no longer available but the unit itself is only about $250 at Napa so it isn?t like the old Chevy I had to do in the spring.