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Re: BTV rebuild kit concerns check your compensator vale
#65
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Randy Berger
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I just read the MB post and it states:
Through Chassis Number 5500353 a Bendix Treadle-Vac booster unit was fitted, with a 5-1/4 inch vacuum cylinder which was integral with the master cylinder, providing the startling experience of no brakes at all if the booster unit failed.

As long as it is integral with the master cylinder (which is the way all BTVs that i have seen are built) how does MBs application of it differ from Packard Olds or Buick?

Posted on: 2010/11/22 21:35
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Re: BTV rebuild kit concerns check your compensator vale
#66
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Eric Boyle
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Keith, thanks.

Randy, read the article, it explains exactly how the Mercedes system differed from the Packard version. Let me give you that link again: 300SL

Quote:
Two Master cylinders were placed in front of the brake pedal separately serve the front and rear brakes. The fluid reservoir is positioned directly above the master cylinders......

From the start of production, the 300SL's brakes were fitted with servo assistance. The first 353 cars had the infamous Treadle-Vac suction servo. It was a good system except for one thing: if the servo failed, the driver was left with a braking system that simply did not stop the car. In 1955 an Ate T50 vacuum servo with a fail safe mechanism was fitted. Bolted to a bracket attached to the chassis frame, the servo is housed behind the left hand front wing. Because of the shortcomings of the Treadle-Vac servo, many cars were retrospectively fitted with the later system.


If the BTV is so safe and never suffered from failure in the '50s, WHY did Mercedes Benz replace it with something else in 1955?????

Posted on: 2010/11/22 21:39
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Re: BTV rebuild kit concerns check your compensator vale
#67
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BigKev
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Since obviously some folks have had BTV fail on them, while others have been driving their's for years, and even putting significant mileage on them, why dont we focus on the exact reason while the ones that failed did so.

I think it's well known how several people feel about them, so derailing every BTV thread in a doom and gloom session is just getting old and doesn't serve any positive benefit to getting the issue addressed. If you want to carry on a conversation about alternatives to the BTV, then that is what the Modification forum is for.

Frankly we are running out of snow to piss in, and the website's snow making machine is broken.

Posted on: 2010/11/22 21:46
-BigKev


1954 Packard Clipper Deluxe Touring Sedan -> Registry | Project Blog

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Re: BTV rebuild kit concerns check your compensator vale
#68
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Eric Boyle
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Kevin, it isn't a matter of "doom and gloom", it's a documented fact across several makes of automobiles that have used this particular unit. Ignoring the facts will not make them go away.

Posted on: 2010/11/22 21:48
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Re: BTV rebuild kit concerns check your compensator vale
#69
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BigKev
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And once again that has been brought up repetitively for the last 4 years across these forums.

GM who put the BTVs in Millions of vehicles didn't have a mass problem with them. I believe there is a problem that can occur in these units and cause a problem. The purpose of this thread is to come up with the reason for the those isolated failures. Yes isolated. Cause we are not hearing from a majority of people saying there units failed, we are hearing "loudlly" from a small minority of people relevant to the population of BTV equipped vehicles owners out there.

So lets stop pissing in the wind and move on to finding the reason.

Posted on: 2010/11/22 21:59
-BigKev


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1937 Packard 115-C Convertible Coupe -> Registry | Project Blog
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Re: BTV rebuild kit concerns check your compensator vale
#70
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Frank
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If people can keep the discussion mature and professional, I like hearing both sides of the argument. However, some of the discussions reminds me of Jack Nicholson saying "Honey I'm home".

Attach file:



jpg  (1.60 KB)
1341_4ceb2e537741f.jpg 80X80 px

Posted on: 2010/11/22 22:01
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Re: BTV rebuild kit concerns check your compensator vale
#71
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Eric Boyle
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A search on the internet will show you that this is not a case of "we are hearing "loudlly" from a small minority of people relevant to the population of BTV equipped vehicles owners out there." It's spread across multiple makes and multiple years of production, even when the units were new.

But it's ok, we can just sweep this discussion under the rug like everything else around here. Heaven forbid that we actually solve something.

Posted on: 2010/11/22 22:02
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Re: BTV rebuild kit concerns check your compensator vale
#72
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BigKev
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Quote:

Turbopackman wrote:
But it's ok, we can just sweep this discussion under the rug like everything else around here.


I think there is a valid attempt at trying to figure out the reason for the BTV failures, as opposed to simply throwing the baby out with the bathwater.

But perhaps you have just out grown the website with your infinite experience, wisdom and knowledge. I wouldnt want to hold you back.

Posted on: 2010/11/22 22:12
-BigKev


1954 Packard Clipper Deluxe Touring Sedan -> Registry | Project Blog

1937 Packard 115-C Convertible Coupe -> Registry | Project Blog
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Re: BTV rebuild kit concerns check your compensator vale
#73
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Eric Boyle
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Nice sarcasm. I'm just going off of past experiences with threads getting locked, that's all.

The point of all of this thread is to either find a solution to the BTV problem, or replace the unit with something safer. It doesn't take "infinite experience, wisdom and knowledge" to know something is dangerous, all it takes is a little research to come to that conclusion.

People can bash me all they want, but everyone needs to realize that I'm just trying to make their lives safer by making them more knowledgeable about the subject at hand. And I know that if multiple people are experiencing multiple failures across multiple makes and different rebuilders then there's something rotten in Denmark.

Posted on: 2010/11/22 22:18
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Re: BTV rebuild kit concerns check your compensator vale
#74
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BigKev
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I lock threads when the conversation gets repetitive, like it's getting now, with no real constructive forward progress.

I think everyone and their brother knows your opinion on the BTV. I can probably find 100 messages here on the website where your opinion on the BTV is stated in detail. So interjecting the same information/opinion over and over doesn't really help move anything along, it just makes people tune out. It's like trying to win a debate by simply being the loudest.

So if you have new information on how to actually fix the BTV to solve the failures that some folks are having, that doesn't involve replacing it with something else, then please proceed. If not, then let it go.

Posted on: 2010/11/22 22:30
-BigKev


1954 Packard Clipper Deluxe Touring Sedan -> Registry | Project Blog

1937 Packard 115-C Convertible Coupe -> Registry | Project Blog
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