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  #1  
Old 10-13-2013, 03:33 PM
Redefining normal daily
 
Join Date: Jul 2004
Location: Frederick, MD
Posts: 445
95 Tahoe - no brake fluid.

Can't see where it went. Sigh. 40 mile flatbed ride home to work on it in th rain.

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1961 220b: first project car - sold.
2000 CLK 430: first modern Benz - sold.
2001 CLK 55: OMG the torque!!! - sold
1972 280SE 4.5: Baby Gustav
1991 300TE 4Matic: Gretel the Snow Bunny - sold
1978 300SD: Katz the Free Man
1980 Redhead: Darling Wife
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  #2  
Old 10-13-2013, 03:54 PM
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Good luck. From what I read on the diesel place 6.5 forum, bleeding those brakes with the ABS is not simple.
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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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  #3  
Old 10-13-2013, 06:03 PM
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Location: Carson City, NV
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Check inside your brake booster.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 362,xxx miles
08 Triumph Street Triple 30,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
88 Jaguar XJS V12 92,xxx miles. I should be in the garage now.
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  #4  
Old 10-13-2013, 06:03 PM
Redefining normal daily
 
Join Date: Jul 2004
Location: Frederick, MD
Posts: 445
Well heck. Found it - hard line between the front wheels.

Runs under the radiator, has about a zillion bends.
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1961 220b: first project car - sold.
2000 CLK 430: first modern Benz - sold.
2001 CLK 55: OMG the torque!!! - sold
1972 280SE 4.5: Baby Gustav
1991 300TE 4Matic: Gretel the Snow Bunny - sold
1978 300SD: Katz the Free Man
1980 Redhead: Darling Wife
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  #5  
Old 10-13-2013, 06:54 PM
Inna-propriate-da-vida
 
Join Date: May 2008
Posts: 1,895
Copper-Nickel brake line is your friend... Easy bending, easy flaring and won't rust.
Just replace the entire line that failed and reuse the compression fittings.

Did the line from master cylinder to rear Tee on my SD earlier this week.
1.5 hours start to finish, and the line is routed exactly where it is supposed to be.

Amazon.com: 3/16" X 25' Feet Ni Copp Seamless Copper Nickel Alloy Brake Line 25 Foot Roll: Automotive

did I mention that you can bend it with your hands...?
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On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST

1983 300SD - 305000
1984 Toyota Landcruiser - 190000
1994 GMC Jimmy - 203000

https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif
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  #6  
Old 10-13-2013, 08:33 PM
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Location: Carson City, NV
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I was warned in mechanic school never to make hydraulic brake lines out of copper, since it's too soft. Does the nickel harden it up enough to work reliably?
__________________
Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 362,xxx miles
08 Triumph Street Triple 30,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
88 Jaguar XJS V12 92,xxx miles. I should be in the garage now.
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  #7  
Old 10-13-2013, 08:34 PM
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Join Date: Jan 2002
Posts: 18,355
Shouldn't that problem just have emptied one half of the reservoir?
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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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  #8  
Old 10-13-2013, 08:37 PM
Redefining normal daily
 
Join Date: Jul 2004
Location: Frederick, MD
Posts: 445
Only one chamber was empty (larger chamber, closer to the firewall.
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1961 220b: first project car - sold.
2000 CLK 430: first modern Benz - sold.
2001 CLK 55: OMG the torque!!! - sold
1972 280SE 4.5: Baby Gustav
1991 300TE 4Matic: Gretel the Snow Bunny - sold
1978 300SD: Katz the Free Man
1980 Redhead: Darling Wife
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  #9  
Old 10-13-2013, 08:44 PM
Inna-propriate-da-vida
 
Join Date: May 2008
Posts: 1,895
Quote:
Originally Posted by Skippy View Post
I was warned in mechanic school never to make hydraulic brake lines out of copper, since it's too soft. Does the nickel harden it up enough to work reliably?
Never heard of copper being unsuitable for brake line pressures (if that's the kind of soft you mean).
But, nickel does add strength to the copperh.
Steel has a higher burst pressure, but that number diminishes dramatically after exposure to salt, making copper nickel very popular with the ship builders.

Copper nickel costs more, which is why it's not common for OEM applications.
That being said, it has been used since the 70's on Volvo, Rolls Royce, Lotus, Aston Martin and Porsche.

Applications: Automotive - Copper-Nickel Automotive Vehicle Brake Tubing
__________________
On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST

1983 300SD - 305000
1984 Toyota Landcruiser - 190000
1994 GMC Jimmy - 203000

https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif
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  #10  
Old 10-13-2013, 08:48 PM
Inna-propriate-da-vida
 
Join Date: May 2008
Posts: 1,895
Quote:
Originally Posted by ramonajim View Post
Only one chamber was empty (larger chamber, closer to the firewall.
Front brakes.
For some reason unknown to me every vehicle I've ever worked on the reservoirs are reversed... front reservoir does rear brakes, rear reservoir does front brakes.

Maybe it's a pressure thing? More hydraulic force closer to the master to give extra pressure to the front??
__________________
On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST

1983 300SD - 305000
1984 Toyota Landcruiser - 190000
1994 GMC Jimmy - 203000

https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif
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  #11  
Old 10-13-2013, 08:51 PM
Inna-propriate-da-vida
 
Join Date: May 2008
Posts: 1,895
First roll of copper nickel I bought replumbed the entire brake system of my 94 GMC Jimmy. No issues bleeding the brakes with that ABS system.
Took most of a day to do it, but that was mostly due to the rust issues...
__________________
On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST

1983 300SD - 305000
1984 Toyota Landcruiser - 190000
1994 GMC Jimmy - 203000

https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif
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  #12  
Old 10-13-2013, 10:36 PM
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Location: mesa az
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The problem with copper is that it tends to crack from vibration. Not sure if the nickel helps that or not
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  #13  
Old 10-13-2013, 10:48 PM
Inna-propriate-da-vida
 
Join Date: May 2008
Posts: 1,895
Quote:
Originally Posted by kmaysob View Post
The problem with copper is that it tends to crack from vibration. Not sure if the nickel helps that or not
Never heard that before either.
One would think with its greater flexibility that it would be less likely to crack from vibration...
Have you seen data for that?

edit - looked around for info on the vibrational cracking, and it seems to only pop up on Harley forums.
Guess it's not everyone's favorite oil line material on their paint shaker HD's...
Don't think it would be an issue for brake lines on a car, as they are not attached to the engine, and generally live a pretty stable life.
Biggest concern with brake lines seems to be corrosion.

__________________
On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST

1983 300SD - 305000
1984 Toyota Landcruiser - 190000
1994 GMC Jimmy - 203000

https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif
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