Re: IML: eliminating air from DOT 5 brake fluid

[therichardsonfamily@xxxxxxxxxxx]

Dave & Ken & Paul:

Thanks for the advice on the DOT 5 brake fluid and bleeding tips.  Ouch, that stuff IS expensive!  I skipped the heating idea and just got to work carefully.  I bench bleed the master cylinder and started the bleeding process.  A couple of leaks to fix and I should be able to drive her on the street!  Thanks again everyone.

Dan Richardson
300L Family Heirloom


 -------------- Original message ----------------------
From: sosmi@xxxxxxxxxxx
> Dan, if you have a Mityvac tool, you can bleed the brakes with it. this will 
> permit you to draw a vacuum on the brake line, and draw fluid from the M/C to 
> the wheel, without pumping the brake peddle.Thats what introduces the air in the 
> fluid.The other way is to gravity bleed the system, open the bleed valve at the 
> furthermost wheel, and wait for the fluid to drain, one wheel at a time. Then 
> use the peddle to make sure all air is removed.Remember to always start at the 
> furthermost wheel, (RR) I believe.And keep the fluid level up in the M/C. Ya'll 
> have a nice day, Dave.
> 
> -------------- Original message -------------- 
> From: therichardsonfamily@xxxxxxxxxxx 
> 
> > Hello all: 
> > 
> > I read through the web-site regarding the pros & cons, tips & tricks, of DOT 5 
> > brake fluid. I have replaced all lines, wheel cylinders, master cylinder, and 
> > any other brake part possible, on my '65 300L (w/ Imp 440 - required content). 
> > I am now going to hook everything up, use DOT 5, bench bleed the MC, and bleed 
> > the brakes. 
> > 
> > A note on the web-site suggests that DOT 5 has a tendency to get air bubbles. 
> A 
> > suggestion is to heat the fluid up prior to using to eliminate the air 
> bubbles. 
> > 
> > Here's the question: I'll assume I don't want to boil it - just a nice simmer? 
> > ... for 15 minutes? ... 30 minutes? ... until it reaches a certain temp? If 
> > someone can offer insight, I would greatly appreciate it. 
> > 
> > Dan Richardson 
> > 300L Family Heirloom

--- Begin Message ---

• From: sosmi@xxxxxxxxxxx
• Date: Fri, 9 Mar 2007 16:33:41 +0000

Dan, if you have a Mityvac tool, you can bleed the brakes with it. this will permit you to draw a vacuum on the brake line, and draw fluid from the M/C to the wheel, without pumping the brake peddle.Thats what introduces the air in the fluid.The other way is to gravity bleed the system, open the bleed valve at the furthermost wheel, and wait for the fluid to drain, one wheel at a time. Then use the peddle to make sure all air is removed.Remember to always start at the furthermost wheel, (RR) I believe...And keep the fluid level up in the M/C. Ya'll have a nice day, Dave.

 

-------------- Original message --------------
From: therichardsonfamily@xxxxxxxxxxx

> Hello all:
>
> I read through the web-site regarding the pros & cons, tips & tricks, of DOT 5
> brake fluid. I have replaced all lines, wheel cylinders, master cylinder, and
> any other brake part possible, on my '65 300L (w/ Imp 440 - required content).
> I am now going to hook everything up, use DOT 5, bench bleed the MC, and bleed
> the brakes.
>
> A note on the web-site suggests that DOT 5 has a tendency to get air bubbles. A
> suggestion is to heat the fluid up prior to using to eliminate the air bubbles.
>
> Here's the question: I'll assume I don't want to boil it - just a nice simmer?
> ... for 15 minutes? ... 30 minutes? ... until it reaches a certain temp? If
> someone can offer insight, I would greatly appreciate it.
>
> Dan Richardson
> 300L Family Heirloom
>
>
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--- End Message ---