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Re: (T3) Q & A


On 12 Jun 2001, at 1:38, Chazpix@aol.com wrote:

> T3'r who had no fluid in lines-did you bench bleed (prime) the master before 
> you installed it? If not you can use a "mity vac" unit to siphon brake fluid 
> through the hydraulics...

I don't know when or how this thing about bench bleeding got 
started, but I never do it and never wished I had. I think it has the 
potential for making this job really messy and nasty: Envision 
yourself on your back, holding the MC above your head with brake 
fluid dripping in your face! ;-p

While it MAY be useful on some other cars, the fact that the 
reservoir is ~3' above the MC on type 3s makes the type 1 & 3 
MCs pretty much self filling.

> It IS OK to set MC plunger travel using only the locknuts on the
> shaft-just make sure the pedal returns firmly on the stop bracket
> on the floor.(check bushings & bolts on the pedal cluster) 

Gotta STRONGLY disagree with this. The plunger length is set to 
allow sufficient pedal travel in the case of a brake circuit failure. 
This dimension is custom adjusted at the factory to accomodate 
variations in pan and body dimensions (and variations in fitting the 
body to the pan.) Dave Hall has the drawing of the fixture used at 
the factory to set the push rod length; one of these days I may 
actually make one.

Changing this adjustment certainly will adjust the things you have 
in mind, but it may also make your car unsafe by disabling the 
backup function of the tandem MC. The problem is that you won't 
know about this effect until it's too late. Please don't do this.  

The correct way to adjust the pedal travel is to adjust the pedal 
stop. It really is important that you do it this way.

> I disagree about our Ebrakes-adjusted properly they will hold the car solid 
> even on the steepest hills(it's not at all hard to do)

I agree that the E-brake is a pretty good parking brake. It's just not 
much of an E-brake. OTOH, this seems to be true of ALL cars.

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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