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05-05-2014, 02:39 PM
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#1 |
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Registered User
Join Date: Sep 2008
Location: Hampton, VA
Posts: 887
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Mystery brake fluid
I'm stumped! I have the rear brake calipers rom an '02 Camaro bolted to my '74? 10 bolt rear. The pedal has always been somewhat soft, but this past weekend I noticed what appeared to be brake fluid buildup all along the inside of the passenger side wheel. I looked over the caliper & hose but find no obvious signs of leakage. Any Ideas??
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Robert C. 1950 3600 3600 re-do, shortening it up If it's true what they say, "You learn from your mistakes," I'm a Genius in the making. |
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05-05-2014, 04:31 PM
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#2 |
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Registered User
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
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Re: Mystery brake fluid
Did you look with someone applying pressure to the pedal? Is the fluid just on the wheel and not on the caliper, pads, rotor or axle housing? You might have a very small leak at the banjo fitting that only shows up under pressure. I had a similar issue with one of mine from not replacing the brass washers with new.
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1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread 1964 Chevelle Malibu w/ 355-350TH (daily driver) Helpful AD and TF Manual Site Old Car Manual Project |
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05-05-2014, 05:12 PM
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#3 |
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Registered User
Join Date: Sep 2011
Location: Nevada City, CA
Posts: 908
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Re: Mystery brake fluid
^ What he said.
Have somebody push hard on the pedal (don't stand on it, but be firm) and see what's what. If you have a 4wd, it could be gear oil. Also possible, grease residue from doing the bearings. Most likely, you have a "sometimes" leak that isn't obvious from a look without pressure.
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"Over my head" 1957 Chevy 3200, big rear window & 6 lug. Front disc, power steering, Vortec 4.8 / 4L60E swap, hydro boost brakes & patina. |
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05-06-2014, 08:38 AM
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#4 |
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Registered User
Join Date: Sep 2008
Location: Hampton, VA
Posts: 887
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Re: Mystery brake fluid
Took a closer look and it's the axle seal. I would have preferred to deal with the brakes than to take this rear end apart. Hmmmm, maybe time for an upgrade. I've had my eye on a posi!
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Robert C. 1950 3600 3600 re-do, shortening it up If it's true what they say, "You learn from your mistakes," I'm a Genius in the making. |
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05-06-2014, 09:42 AM
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#5 |
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Registered User
Join Date: Sep 2011
Location: Nevada City, CA
Posts: 908
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Re: Mystery brake fluid
Hah! You said "caliper" and I immediately thought "front end", even though you said rear 10 bolt...
Could it be time for a 9" or 12 bolt?
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"Over my head" 1957 Chevy 3200, big rear window & 6 lug. Front disc, power steering, Vortec 4.8 / 4L60E swap, hydro boost brakes & patina. |
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