'88 5KSQ Brake Master Cylinder Replacement

[Kneale Brownson]

I use a couple oak bars tapered down from 1 X1 inches and about 16 inches 
long as pry instruments to loosen the reservoir.  A bit of wiggling up and 
down with one bar while maintaining a steady upward pressure with the other 
has worked for me on three old MC's with really hard washers.


At 09:43 AM 09/28/2000 -0700, Bernard Littau wrote:

> > I've pretty much decided to replace the brake master cylinder on my '88
> > 5KSQ.  Any BTDTs on this job?
> >
>
>BTDT.  Easy job.  Leave the servo in place.
>
>The instructions that came with the MC had me do a pre-install bleed to get
>the air out.  The MC included plastic fittings and hoses to recirculate the
>pumped fluid back to the top.  This seems like a good thing to do, and I
>saved the fittings and have used them on other MC jobs, too.
>
>The biggest problem I had was with the hydraulic lines coming out of the MC.
>One flare nut was very frozen.  You may need good quality tight wrenches to
>get those off.  My $10 Flare Nut Wrench Set was a disaster.  A good tight
>open end wrench did the trick.
>
>The second problem was getting the tank off the old MC.  The tank is held in
>by rubber bushings, and they harden with age.  I was reluctant to press too
>hard on the plastic tank with tools and leverage off the MC.  I used the
>secure the old MC in a vice and pull for all you are worth near one of the
>bushing with fingers technique.  I worked both ports out this way.  I
>suspect the tank is quite sturdy and could handle a large flat screwdriver
>or small pry bar near the ports, but I did not test this.
>
>I purchased my MC from www.thepartsconnection.com
>
>Best,
>
>Bernard Littau
>Woodinville, WA
>'88 5ktq
>
>