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#1
11-27-2007, 05:26 PM
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Rust in coolant
Hey, just recently did a citrus flush on a '83 300SD. Now, I keep getting rust in my coolant. I mean ALOT. After a few days - 50 miles - coolant tank turns blood red with rust. I have flushed 10 times or so until clear, no change. Oh yeah, i fill with G-05 and distilled water after every flush. Any ideas how to resolve this problem?
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#2
11-28-2007, 09:40 AM
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flush?
when you say flush are you flushing just the radiator....
or the whole system including the engine block (block drain)....
__________________
85 300CD Turbo "Das Polluter" 230K sold for $3,000 98 BMW 323is
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#3
11-28-2007, 09:46 AM
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and when you say "citric flush" describe your ordeal.
how long did you have the citric in there? how well did you flush? it takes over a week to use the citric in there, and it takes all day with the plugs out, to get it all flushed out! heater core, etc.
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 560SL convertible 1987 190D 2.5-5SPEED!!!  1987 300TD 2005 Dodge Sprinter 2500 158"WB 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#4
11-28-2007, 11:41 AM
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And before you do the citric acid flush, you are supposed to deoil the system. Maybe you did, but you didn't say so.
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Len '59 220S Cabriolet-SOLD and living happily in Malta '83 240D 351,500 miles original owner-SOLD '88 560SL 41,000 miles - totaled and parted out https://sites.google.com/site/mercedesstuff/home '99 E300 turbo 227,500 miles '03 SLK320 40,000 miles - gave to my daughter '14 Smart electric coupe 28,500 miles '14 Smart electric cabriolet 28,500 miles '15 Smart electric coupe 28,000 miles 
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#5
11-28-2007, 01:18 PM
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Are you SURE it's rust? Because when I changed my lower radiator hose out for the new block-heater one (from dieselgiant.com), there was a LOT of that orange coolant encrusted inside the hose. That's probably what you're seeing when you flush.
__________________
'79 300SD '82 Chevy Chevette diesel
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