[Roadsters] braking

[Gary and Cindy Ault]

Dave,
 
No surprise that you couldn't turn the wheels with pedal applied.  It
doesn't take much braking force to exceed the capability of a human being.
 
What's your concept of "braking as it should"?  Have you ever driven a
roadster with brakes in good working order?  Pedal effort required is very
high compared to modern cars with front disc brakes, owing to the absence of a
vacuum booster.  Can you lock the brakes when driving?  Is the pedal spongy or
firm?  If spongy, you haven't gotten all the air out.  Did you first bleed the
M/C, then start with the RR wheel cylinder, LR wheel cylinder, RF wheel
cylinder and finally LF wheel cylinder?
 
If you cannot lock the brakes, first
check to make sure the rear drums are properly adjusted.  If that doesn't
help, about the best I can suggest is to make sure the disc pads are not
contaminated, and, if not, I think it's time to take the calipers apart and
make sure there isn't any cr___ preventing proper movement of the pistons in
the cylinders.  Come to think of it, wouldn't hurt to dismantle the rear
cylinders, either.  You probably don't know the condition of things before you
bought the car.  Kits are inexpensive, and having fresh rubber in the
cylinders should be a comfort.
 
Gary

________________________________
From:
Dave <dave at ranteer.com>
To: Datsun <datsun-roadsters at autox.team.net> 
Sent:
Monday, October 7, 2013 8:14 AM
Subject: [Roadsters] braking


early 67
roadster

bought this car in 05.  been working on it off and on since.  never
really had
it on the road until now.  bled through with dot 5 a number of 
years ago.

I think Ibve replaced the brake hoses, and recently bled the
brakes
profusely.  still not braking like it should.

jacked the front up and
had the wife hold down the brakes; I canbt turn the
wheels.

any thoughts as
to where I should look?
________________________________________
datsun-roadsters at autox.team.net

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