Corvette C3 Forum 1968 through 1982

Bleeding brakes

Old Oct 24, 2008 | 04:54 PM
  #11  
73shark's Avatar
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Default RE: Bleeding brakes

JanS: if the new one leaks at 5 psi, then try cutting it back a little as it doesn't take much pressure.
 
Old Oct 25, 2008 | 04:52 AM
  #12  
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Default RE: Bleeding brakes

I spoke to Motive Products about their power bleeder yesterday. They are aware of the problem with theirbleeder coverfor this type master cylinder. It flexes when tightened on the edges with the J hooks and chains. They are designing an aluminum one to prevent this. They did have a great suggestion though. They said to cut a piece of 3/4" plywood to the size of thebleeder coverand use a C clamp to hold it down on the master cylinder.
 
Old Oct 25, 2008 | 06:16 AM
  #13  
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Default RE: Bleeding brakes

ORIGINAL: pg

Hi Texas Jim, I tried to visualize why would it matter if we bleed the left or right first. Lets say we changed the master cylinder and got a little air in the line, if we bleed the right side first it would seem to me that the air would get to the distribution block and evevtually come out on the right side.
If we bleed the left side first the same air would hit the same distribution block and come out on the left.
I'm just a firm believer in If All Else Fails, Look At The instructions.
There have been lots of post from owners who had good results doing it either way.
TJ, you helped me out in the past when I had a question and for that I say Thank You.
73 Shark you have also helped me and a lot of other members with your answers and to you I say Thank You.
We all have had problem of some sort with our Corvettes and its up to those of us that have had our cars for a while to pass along the best advise to all the new owners.
Thanks again to all the regulars and lets try to make this the best forum on the net!
PG.
I'm w/ you. I have the GM '81 Corvetteshopmanual and I always refer to it prior to doing any work on my 'Vette. I figure that the people who made the car know best. I have to say that when I read the brake bleeding sequence, I had to question it. Since high school automotive shop w/ teacher Bud Merritt, one hell of an old motor head, and a shop that was very well set-up, I was then and ever since taught to bleed a brake system from the wheel the greatest distance awayand ending withthe one nearest the master cylinder. I've never heard or seen it done differently until my 'Vette.
I do understand your thought pattern, pg.But I just not long ago did a brake job on my '83 G20 Van, and went through the old sequence from greatest distance to nearest and it worked perfectly. When the brake pedal is pumped, the air is being pushed tward the wheel and away from the m/c and d-block. (as stated by '73 shark)
I think I'll visit the Chevy house and drop this on the service mgr.
 
Old Oct 27, 2008 | 09:47 PM
  #14  
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Default RE: Bleeding brakes

I find it mildly interesting that somewhere between '73 & '77, Chevy changed the procedure. Perplexing.
 
Old Oct 28, 2008 | 05:21 AM
  #15  
Texas Jim's Avatar
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Default RE: Bleeding brakes

ORIGINAL: 73shark

I find it mildly interesting that somewhere between '73 & '77, Chevy changed the procedure. Perplexing.
Yea, especiallysince the brake systems didn't change during that period.
 
Old Nov 1, 2008 | 09:40 PM
  #16  
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Default RE: Bleeding brakes

had the same problems years ago, finally i open the bleeder rear on passenger side over night, not totally open , next day it bleeded itself hope this helps mytoy
 
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