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#1
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300CD Brakes Going Going, , , ,
I drove over to my brothers home for Thanksgiving yesterday. About 2 miles from his house, when applying the brakes, whoa! the pedal went way down. Brakes worked, pumped pedal & it came up. Checked at his place, fluid was OK. Drove home, on freeway!, no stops & driving slower than traffic, no braking necessary. (late afternoon, very little traffic). Got home & noticed no brake lites either. Woke up at 09:00 this morning, have not looked at anything yet. I am thinking master cylinder, this one was installed about 12 years ago. What does one cost these days? Is rebuilding a viable option?
-corne-
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"I applaud your elaborate system of denial" Last edited by cornemuse; 11-25-2022 at 02:20 PM. Reason: feng shui |
#2
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Yes bad MC. Replace it if the brake fluid hasn't been flushed regularly. Rebuild? Eh, maybe if you know what you're doing on them. Compare the cost first.
Good luck!!!
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"Rudeness is a weak man's imitation of strength" - Eric Hoffer |
#3
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I used to rebuild old Vee Dub & old Porsche MC's, simple. vw drum & Porsche disk had one different (??) in rebuild kit.
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"I applaud your elaborate system of denial" |
#4
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could be a be a leaking brake pressure sender.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#5
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Replaced calipers, one was bad, replaced both.
Replaced master cylinder, system acts just like before the M-cylinder was replaced. (see 1st post). Maybe the old (cast iron! new one is chinee aluminium, no core charge) M-C is still good?? Brake pressure sender?? where's that? -c-
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"I applaud your elaborate system of denial" Last edited by cornemuse; 01-03-2023 at 03:41 PM. Reason: feng shui |
#6
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I thought MB used an electric switch for brakes?
In 3rd pic, I happen to have a set of those 'cans'! Got 'em in 1967.
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"I applaud your elaborate system of denial" |
#7
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the electric switch only activates the brake lights. I suspect a insufficient bleeding.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
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