[Healeys] BJ8 Brakes

[David Porter]

This is often when the rear wheel pistons have to move too far to 
contact the drum on the first pedal push.. Check that your rear shoes 
are not worn or not properly adjusted.

daveP


On 7/2/2016 12:48 PM, Roger Grace wrote:
>
> At my wits end with this problem ...
>
> The brakes on my BJ8 have always been hard and bit well with little 
> pedal movement.
>
> Changed out the front callipers (to 4 pot) and the problems started.
>
> After repeated bleeding on first push,pedal went to the floor.
>
> After 2/3 pumps the pedal came right up and held.After about 30 secs 
> of no pressure on pedal goes to the floor again.
>
> Pistons are all in contact with pads and pads with disc; all looks 
> good at callipers.
>
> Suspecting a faulty MC changed it out.
>
> Primed the new MC with fluid prior to installing.
>
> Same story after another 1.5 pints of DOT 4 fluid focusing mainly on 
> bleeding front callipers and booster (new); also bled rear drums.
>
> Pedal still goes to the floor on first pump and comes up after pumping 
> as before.
>
> No visible leaks and inlet from reservoir shows no leaks: tapped 
> callipers with mallet to dislodge any air pockets.
>
> I am using the one man bleed system a with clear tube into a container 
> and close the bleeder valve with no visible air at nipple and full 
> tube of fluid to container. BTW also changed clutch MC at same time 
> and no problems with bleeding etc.
>
> Have now run about 1.5 pints of fluid through the new MC - perhaps am 
> being too impatient ?
>
> But no evidence of any air after about 0.5 pint. Typically how much 
> fluid is required to clear air from MC and lines ?
>
> Now sort or suspecting the inlet to MC from reservoir but for life of 
> me cannot see how air can get in with no visible fluid leaks,
>
> Any ideas from the more AH experienced listers appreciated.
>
> rg
>
>
>
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-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/
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