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12-03-2013, 05:46 PM
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#1 |
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Senior Member
 
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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brake fluid
Gents,
i went out to check my oil after i got home from work, and i found brake fluid all over the Master cylinder and fender well, firewall, would this happen if you where brakeing hard?? and could fluid be coming from the cap gasket??
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks 
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12-03-2013, 06:47 PM
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#2 |
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Registered User
Join Date: Oct 2013
Location: Rt 66 Gallup, NM
Posts: 527
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Re: brake fluid
Possibly the rubber seal on the cap is leaking. The rubber breaks down over the years from the brake fluid and it will leak all over the place, as you have discovered. And brake fluid is an excellent paint remover.
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2005 GMC K2500HD D/A 1993 GMC K1500 2011 Subaru Legacy. 2013 Subaru Outback 1970 C-10 2WD, SWB stepside, 292, TH350, PS, more rust than anything. God is my pilot. 
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12-03-2013, 07:04 PM
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#3 |
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Registered User
Join Date: Apr 2013
Location: Austin Texas
Posts: 111
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Re: brake fluid
Possibly and Yes.
When I bought my truck the first thing I noticed was brake fluid everywhere like you mention. I pulled the cap off and there was corrosion on the top edge of the MC and on the cap under the gasket. I carefully scraped the the edge of the MC with a fresh razor and some scotch brite making sure not to get any particulate into the reservoir and the cleaned the cap of rust as well. The gasket wasn't bad so I just cleaned everything up and then flushed the entire system out through each bleeder at the wheels. I'm not sure what caused the rust there, condensation maybe. My booster had been replaced in the last 6 months shown on a receipt with the truck. To me it seemed like the cap had a better fit one direction than the other so I made sure and put it on that way. Not sure if there is a forward/backwards for the lid, could've been wrong from the previous repair. Haven't had any issue since, 8 months with maybe 3k miles of hauling stuff. Hope this helps. Oh yeah, brake fluid does eat paint in a hurry so make sure and clean it off quick.
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Owner: Times Are Tough Toys 92 4 Runner (Joyce, long story from my time in Africa) Lotsa stuff, just about finished dumping money into it. 89 Mercedes 560 SEL, Merdle. Wrecked 71 Chevy K20, Clifford, BB and 1 Tons |
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12-03-2013, 07:27 PM
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#4 |
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Senior Member
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: brake fluid
yes i noticed my nice rustoleum paint job bubbling up on my fender wells, sprayed it good with some brake cleaner and will repaint this weekend.
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks
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12-03-2013, 09:29 PM
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#5 |
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Registered User
Join Date: Sep 2013
Location: North Texas
Posts: 43
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Re: brake fluid
I have the exact same problem. Does anyone know if you can just by a new gasket or do you have to buy an entire MC?
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72 Chevrolet SWB Super |
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12-03-2013, 10:30 PM
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#6 |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: brake fluid
I have seen the "gasket" or "seal" offered at Oreilly and Autozone. It may also be on eBay. The chrome covers on eBay are like $10.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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