Them's the brakes?
#1449516
06/08/13 09:53 PM
06/08/13 09:53 PM
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Joined: Oct 2006
Posts: 7,066 portland or
new bee
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Richard Cranium
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OP
Richard Cranium
Joined: Oct 2006
Posts: 7,066
portland or
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This morning, I found a small-ish puddle of brake fluid next to the left rear wheel. I drove the car around, came home, and parked it. The drum brakes worked as good as always, and when I parked it, I wiped the backing plate down. It's been a full day, and there is not a drip of fluid. I am assuming it came from that left rear brake cylinder, but now it is not leaking. Any ideas?
*1969 383 4sp. Super Bee *1966 Alfa Romeo Giulia Sprint GT *1965 Porsche 356C *2004 VW Passat Wagon *2004 Mini Cooper S *1967 Jaguar E-Type FHC
A mall cop is in our midst.
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Re: Them's the brakes?
[Re: RapidRobert]
#1449519
06/09/13 12:45 PM
06/09/13 12:45 PM
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Joined: Oct 2006
Posts: 7,066 portland or
new bee
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Richard Cranium
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OP
Richard Cranium
Joined: Oct 2006
Posts: 7,066
portland or
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Of course I can swap the part out, but I am more curious why it would leave a puddle (it did sit for a couple months), but now it all seems fine. If it no longer leaks, can I assume I don't need to replace the part?
*1969 383 4sp. Super Bee *1966 Alfa Romeo Giulia Sprint GT *1965 Porsche 356C *2004 VW Passat Wagon *2004 Mini Cooper S *1967 Jaguar E-Type FHC
A mall cop is in our midst.
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Re: Them's the brakes?
[Re: new bee]
#1449521
06/09/13 01:52 PM
06/09/13 01:52 PM
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Joined: Nov 2007
Posts: 21,838 Kirkland, Washington
Pacnorthcuda
Too Many Posts
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Too Many Posts
Joined: Nov 2007
Posts: 21,838
Kirkland, Washington
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Quote:
This morning, I found a small-ish puddle of brake fluid next to the left rear wheel. I drove the car around, came home, and parked it. The drum brakes worked as good as always, and when I parked it, I wiped the backing plate down. It's been a full day, and there is not a drip of fluid. I am assuming it came from that left rear brake cylinder, but now it is not leaking. Any ideas?
Couple things. Is it possible that when you drove it before the puddle you applied the brakes harder than the test drive after clean up? It's entirely possible that the wheel cylinder is only leaking during heavy pressure. It needs to be rebuilt or replaced.
It's also possible (though maybe not likely) that is did leak after clean up but simply hasn't dripped on the floor yet.
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Re: Them's the brakes?
[Re: new bee]
#1449523
06/09/13 06:27 PM
06/09/13 06:27 PM
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Joined: Aug 2003
Posts: 43,251 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,251
Bend,OR USA
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Last edited by Cab_Burge; 06/09/13 06:30 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Them's the brakes?
[Re: new bee]
#1449524
06/09/13 07:32 PM
06/09/13 07:32 PM
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Joined: Dec 2007
Posts: 18,157 Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Quote:
This morning, I found a small-ish puddle of brake fluid next to the left rear wheel. I drove the car around, came home, and parked it. The drum brakes worked as good as always, and when I parked it, I wiped the backing plate down. It's been a full day, and there is not a drip of fluid. I am assuming it came from that left rear brake cylinder, but now it is not leaking. Any ideas?
Do you have a dog?.....if so maybe it wasn't brake fluid, might be pee!...DAMHIK
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Re: Them's the brakes?
[Re: DAYCLONA]
#1449525
06/09/13 09:40 PM
06/09/13 09:40 PM
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Joined: Oct 2006
Posts: 7,066 portland or
new bee
OP
Richard Cranium
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OP
Richard Cranium
Joined: Oct 2006
Posts: 7,066
portland or
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I climbed under the car today, and the left rear cylinder is definitely leaking. Tomorrow, I will pull the wheel and drum off to see what's going on. It's been almost 5 years since finishing the restoration, and I cannot recall if I used silicon or DOT 3 fluid. Is there a way to tell the difference?
*1969 383 4sp. Super Bee *1966 Alfa Romeo Giulia Sprint GT *1965 Porsche 356C *2004 VW Passat Wagon *2004 Mini Cooper S *1967 Jaguar E-Type FHC
A mall cop is in our midst.
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Re: Them's the brakes?
[Re: Pacnorthcuda]
#1449527
06/09/13 10:03 PM
06/09/13 10:03 PM
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Joined: Oct 2006
Posts: 7,066 portland or
new bee
OP
Richard Cranium
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Richard Cranium
Joined: Oct 2006
Posts: 7,066
portland or
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Cool - I am using DOT 3 or 4. I have read it's best to replace cylinders in pairs. True? Or, can I replace just the one? Sorry - I know this is maintenance 101, but it's been ages since I did this kind of stuff.
*1969 383 4sp. Super Bee *1966 Alfa Romeo Giulia Sprint GT *1965 Porsche 356C *2004 VW Passat Wagon *2004 Mini Cooper S *1967 Jaguar E-Type FHC
A mall cop is in our midst.
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Re: Them's the brakes?
[Re: Pacnorthcuda]
#1449530
06/09/13 10:15 PM
06/09/13 10:15 PM
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Joined: May 2005
Posts: 4,745 Florida
BDW
master
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master
Joined: May 2005
Posts: 4,745
Florida
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Quote:
They really should be done in pairs. If one is leaking, how long till the other goes, AND you want equal resistance/application of force from side to side.
Interesting, never heard that before.
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Re: Them's the brakes?
[Re: BDW]
#1449531
06/09/13 10:20 PM
06/09/13 10:20 PM
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Joined: Oct 2006
Posts: 7,066 portland or
new bee
OP
Richard Cranium
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OP
Richard Cranium
Joined: Oct 2006
Posts: 7,066
portland or
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Funny, they were brand new when I restored the car, and I have only put 4 thousand miles or so on the thing over the past few years. I didn't expect them to give up so easily. Looks like tomorrow I pretend to be a mechanic.
*1969 383 4sp. Super Bee *1966 Alfa Romeo Giulia Sprint GT *1965 Porsche 356C *2004 VW Passat Wagon *2004 Mini Cooper S *1967 Jaguar E-Type FHC
A mall cop is in our midst.
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