[Roadsters] Volvo brake system problem

[Keith0alan at aol.com]

Make sure you have free play in the brake petal. If the push rod is  
adjusted so that the piston in the master is slightly pushed in the return port  
will be covered. As the brake fluid warms from driving it will have no place 
to  go and will begin to engage the brakes. I have heard of cars that would 
lock the  brakes after driving a few miles from this problem. 
 
keith williams
 
 
In a message dated 6/11/2011 9:08:55 P.M. Pacific Daylight Time,  
rksmith46 at hotmail.com writes:

hi paul,  first, ck. the rear brks. for the shoes being adj. too tight.  the
rear wheels should
turn easily, with a slight drag. then, have some  one  apply the brakes, and
see if they
(frt. and rear) turn easily,  as soon as the brks. are released.( you are 
cking
for calipers
dragging,  wheel cyl. sticking, or brake hoses restricted). you can jack up 
 one
side
of the car, and ck each of those wheels,on one side, at a  time
next, ck. the rod going from the master cyl.(bmc) and  make sure, when you
first move
the brake pedal a little, that there is a  tiny bit of free play. in other
words, make sure
the brk. pedal isnt  pre- loading the bmc. if it has no free play, then as 
the
car and
brks  warm up, its like  some one is riding the brk pedal.  if all seems  
ok,
then
you need to remove the bmc, and rebuild it or replace it. btw,  im assuming
there is no brake booster.
best of luck,  bob smith, ohio

>  Date: Sun, 22 May 2011 09:37:03 -0700
> From:  pauljsouza at yahoo.com
> To: datsun-roadsters at autox.team.net
>  Subject: [Roadsters] Volvo brake system problem
>
> Hi  Everyone,
> My brakes stay engaged after 5-10 minutes of driving.   For some reason 
the
> brakes stay enaged enough to slow the car down  some.
> This problem has been occuring for the past few years  now.
>
> I welcome ANY ideas on how to resolve this problem.   I have a 280z brake
> master cylinder with volvo brake calipers in the  front with standard 
brake
> wheel cylinders in the rear.
>
>  Thanks,
> Paul
> 69 2000
> Vacaville, CA
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