On 1/15/2018 10:29 PM, Mark Bardenwerper citrogsa@charter.net [diesel_mercedes] wrote:
Got in it today and it never acted up. Supposed to warm up this weekend. But I'm heading off to Denver.
On 1/15/2018 9:47 PM, vwnate1@yahoo.com [diesel_mercedes] wrote:
On my '77, the pad wear light is red and it has a ring of outward-pointing little black dashes around it. That one lights sometimes, then slowly fades out. I suspect pads saturated with something slightly conductive. As they warm, they become less conductive and the light slowly extinguishes.Silly question so bear with me O.K. Mark ? .
Are you sure it's the park brake warning light ?. that's red, there's a brake system light next to it that's yellow and I have the devil of a time keeping that one dark on my grey market wagon....
After a few stops it goes out but I'd rather it never came on .
Just thinking outside the box as you had the hydraulic system apart and that's a common result .
I never had any bleeder screws open, but when pumping the pedal to get the caliper piston free, I was wondering if there was a safety valve in the system like on some American cars. If the pressure in the system is unbalanced, it makes the brake light come on, then you have to open a bleeder on the opposite end of the car, pump lightly until the light just goes out.
Reading on these cars, that does not seem to be the case. The bright red brake warning light is connected to the parking brake and to a float in the master cylinder.
What I think I should do it disconnect the master cylinder float switch and see if that makes the light go out. If not, it is the PB switch.
But now, how does one access the parking brake switch? It looks to be way up on top pf the mechanism.
-- Mark L. Bardenwerper, Sr. Technology...responsibly, thoughtfully
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Posted by: Mark Bardenwerper <citrogsa@charter.net>
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