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Re: [T3] Speaking of brake lines

On 24 Jun 2005 at 14:06, Nico teWinkel wrote:

> Interesting... I do have what Bentley calls the "new-type" MC (judging by 
> their picture), but the line from LF goes to the closest spot on the MC. So 
> on my MC, the two front lines are directly opposite each other, with the 
> brake light switch in the angled pointing-downward spot.
> But in Fig 4-9 Bentley shows the brake light switches on the left.

Yes, this is common. Putting both brake switches on the left keeps the wiring 
for them all on one side. I suspect that it's a bit of a stretch with one on 
the right. If you take the MC out and look at it closely, you will find that 
the holes at the bottom of the tapped ports are larger where the switches go, 
but I can't imagine that this would make any real difference.

> What would be the danger of having it this way?

None, as long as the switch wiring is not unduly stressed.

> ps. Those "residual pressure valve" thingies, are those only on the old MCs 
> ? What are they for?

Early MCs only, and even then I have never thought that they served any real 
purpose. There was a time when it was gospel that drum brakes required them, 
but the late rear drums are exactly the same as the early ones, and they work 
just fine without the RPVs.

Jim Adney
Madison, WI 53711-3054

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