[Shotimes] Sigh...Strikes again...:'(

[Carl Prochilo]

1/4" tubing for SHO?
-- 
Cheers,
Carl Prochilo
1992 Ultra Red Crimson

Ron Porter said:
> The bleeder screws are left in.
>
> Below your post I have pasted the process for gravity bleeding that one
> guy
> uses.
>
> Ron Porter
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
> On Behalf Of Paul Nimz
> Sent: Tuesday, November 04, 2003 1:18 AM
> To: 'SHOTimes-Mailing List'
> Subject: Re: [Shotimes] Sigh...Strikes again...:'(
>
> Gravity bleed is a good way in the rear to see if your brake hoses are any
> good.  If they have arteriolosclerosis then all you will get is an
> occasional, slow drip.
> If the hose are good you get a nice steady drip with the bleeder screw
> removed.
>
> Paul Nimz
>
> ++++++++++
> Not sure if it has been posted, the method I use is as follows.
>
> 1. Get 4 lengths of clear plastic tubing, about 5 feet long, of a
> diameter that fits snugly over your bleed screws. Note for brakes with
> two bleed screws, such as my Turbo brakes, you may want to build a "Y"
> to connect both at once, or perhaps have two lengths of tubing per
> caliper.
>
> 2. Connect the tubing to the brake bleeds, and hang them vertically,
> with one end on the bleed and the other end well above the height of the
> master cylinder. I masking tape them to the garage door ramps and to
> miscellaneous and sundry stuff hanging down from my ceiling.
>
> 3. Open all the bleed valves on all brakes. Brake fluid will move
> through the system, filling up those tubes until they reach the same
> vertical height as the master cylinder reservoir.
>
> 4. Go to each corner, starting with the one furthest away, and moving to
> the closest caliper (to the M/C that is) and lower the open end of the
> tubing below the level of the master cylinder. Fluid will drain out,
> just make sure that your M/C reservoir has fluid in it. Nice thing is
> that if you start to run low in the reservoir, you just raise the open
> end of the tube  you are working with above the reservoir height (fluid
> flow stops) and top up the reservoir at your leisure. Intention on this
> step is to get enough fluid through the system so that any bubbles
> trapped (or old fluid) in the lines moves out through the bleed.
>
> 5. With the tubing hung up again (i.e. no draining going on) get in the
> car and gently move the master cylinder a couple of times, careful on
> the amount of travel you use, considering the posts on M/C roughness and
> seal damage. I tend to have long tubes, like 4 feet above the brake
> calipers, so there is no risk of the master cylinder pumping pushing
> fluid out the top....if your tubing is too short, you *may* have some
> coming out of the top. Objective here is to dislodge any stray bubbles
> in the calipers.
>
> 6. Indulge your favorite perversion.....hammer calipers with anything
> up to a 2lb BFH, assume the lotus position, go for a walk whatever. Give
> the bubbles time to move on out of the calipers. Repeat step 4 and 5 as
> the Spirit moves you...take your time. I personally leave the thing open
> overnight (silicone fluid...no water absorption in my case), but there
> will be those who suggest that you don't want to leave the system open
> too long (confuses me a little as the M/C reservoir has air in it etc.
> etc.).
>
> 7. Obviously keep your eyes open, check for bubbles in the tubing, make
> sure that only clear (i.e. bubble free) fluid is near the caliper bleed
> screws.
>
> 8. Did I say indulge in whatever amuses you while you wait?
>
> 9. Close all the bleeds, top up the M/C, replace all the caps and stuff.
>
> 10. Drive away.
>
>
> Then you can join the GBSG as a full fledged member....you are then
> qualified to pass explanatory emails to anyone who's initials have an
> "A" or a "D" in them and/or who are thick as a post, and get totally
> anally retentive in many other ways. Your next step in your learning
> exercises will be to repaint your car to concours standard in your
> garage using only a garden hose, bucket and sandpaper.  :-)  :-)
>
> Hope this helps
>
> Dennis Kalma
> '75 911S with Kremer 3.2
> Founding Member 990415-1004
> ++++++++++
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