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Old 10-26-2003, 11:20 PM
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Join Date: Oct 2003
Location: Sunny South
Posts: 75
slave cylinders and brake hose problem

looks like it never ever ends. i just changed the brake master cylinder in my 82 240d. now i have a leak somewhere in the brake system. my guess is the slaves or the rubber brake lines are now leaking due to the pressure from the master.
does anyone have any tips to avoid any landmines when i change the brake hoses (swollen) and rebuild the slaves? is it as straightforward as detaching, cleaning, then reinstalling? thanks for your help.
$500 1982 240d owner "Gunter"
125k miles,4 speed manual
crank windows, MB Tex, all original
no a/c, daily driver
Scorecard so far....
$230 Maaco paint job
$27 dimmer switch, $40 shutoff valve, $45 brake MC, $260 calipers, $40 brake hoses, $40 side fender trim, $20 balancing, $109 lifetime alignment, $10 fuel return lines, $115 oil&fuel filters for next 30k miles
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Old 10-26-2003, 11:47 PM
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Join Date: May 2003
Location: Boonville Indiana
Posts: 2,342

What do you mean by slaves...
James A. Harris
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Old 10-26-2003, 11:54 PM
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Join Date: Jan 2002
Posts: 18,355
Wherever there are masters, there must be slaves. The politically correct name are wheel cylinders or calipers.
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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Old 10-27-2003, 12:08 AM
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Join Date: Feb 2001
Location: Canton,Texas
Posts: 987
Should all work pretty easy since it sounds like the calipers aren't frozen. It isn't hard to rebuild them or change the brake hoses as long as the calipers aren't coroded... in which case it's probably replacement time.
1985 300D Turbo ~225k
2000 F350 (Powerstroke) 4X4, SWB, CC, SRW, 6spd ~148k
1999 International 4900, DT466e (250hp/660 ft/lbs), Allison MD3060 ~73k
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Old 10-27-2003, 01:09 AM
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Join Date: May 2003
Location: Boonville Indiana
Posts: 2,342

Can you find the leak..I wouldn't think the caliphers are leaking either internally or externally..It is not unusual for them to rust up and freeze and when that happens you will have pedal...find the source of the leak and reply..
James A. Harris
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Old 10-27-2003, 09:34 AM
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Join Date: Jun 1999
Location: Land O Lakes, FL
Posts: 3,086
If you have disappearing brake fluid, don't overlook the clutch system. A leaking clutch master cylinder can drop the fluid down behind the floor mat and you'd never see it.
Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
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