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#1
06-05-2008, 08:10 PM
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Cracked expansion tank!
This just happened to me today...luckily I was just pulling up to my house when it happened. My brother and I heard a loud POP! and got out to find the ground covered in coolant.
 I'm glad this happened here, and not 200 miles from home...Check your expansion tanks, guys! Especially since warm summer temps are coming! O_O  
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Current cars: 2000 ML55 AMG, 174k miles 2003 C240 T-Modell, 202k miles 1995 S320, 207k Miles 
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#2
06-05-2008, 09:40 PM
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Yeah I replaced mind since it looked original. Throwing a new one on every 10 years or so is cheap insurance.
BTW clean that crap out before it starts rust.
__________________
1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#3
06-05-2008, 09:48 PM
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I replaced mine about 3-4 years ago because it was looking pretty ratty.
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#4
06-05-2008, 09:53 PM
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My 85's tank was replaced last year when my mechanic had it to do some other stuff. He noticed that cracks were starting to form, fortunatelt it had not started to leak. I suppose I should replace the 87's tank too.
Jeremy
__________________
 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#5
06-05-2008, 11:12 PM
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epoxy ftw
__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.
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#6
06-05-2008, 11:15 PM
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Both of our SD's have new ones.....the other two don't....but still look ok. Neither car takes very long trips from home though, the 300D is mostly for local driving (not more than 75 miles from home usually, however it has proven to be our most reliable car so far) and the other SD can't move yet.
 
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-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#7
06-05-2008, 11:16 PM
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Quote:
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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate Sooner or later every car falls apart, ours does it later! -German Narrator in a MB Promotion Film about the then brand new W123.
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#8
06-05-2008, 11:34 PM
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Quote:
That costs too much.
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I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#9
06-05-2008, 11:58 PM
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Yea, this one looked fine, and had no noticeable cracks, plus the car only has 117k miles...I had just driven maybe two miles with the AC running. I guess it was just time for it to go.
This same thing also happened to my mom's BMW 323i a couple years back, but that was much more dramatic as it happened on the freeway, a good distance from home...anyone notice the pattern here? lol Seems like the Germans love to use plastic cooling system components...doesn't seem like the best idea to me. Also, the California version of the tank costs around $60. I'll be picking up the one I ordered through a friend tomorrow morning, along with a new cap.
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Current cars: 2000 ML55 AMG, 174k miles 2003 C240 T-Modell, 202k miles 1995 S320, 207k Miles
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#10
06-06-2008, 12:13 AM
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I also replaced my plastic brake fluid tank a while ago, I needed to replace the leaking seals between the tank and MC anyway and it looked pretty old/discolored. Besides, I was having trouble seeing the fluid level.
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#11
06-06-2008, 01:08 AM
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Quote:
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#12
06-06-2008, 01:31 AM
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I have a ca. version and I don`t think the trap causes it to fail any faster.
maybe the turbo, it sits up higher because of the trap. I changed mine about 5 yrs ago, the seam was starting to weap. bought it off e-bay for about $13.00. Just bought one from PNP last friday for $5.84. looked good, can`t hurt to have a spare. It came off a 85 380SE, looks just the same as the one on the 300D, Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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#13
06-06-2008, 10:35 AM
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Quote:
__________________
1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#14
06-06-2008, 10:44 AM
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On the 124 diesels, the original tanks (through 07/1992) did not have a silica pack inside, which helps control corrosion. The new tanks do have this feature. That alone is a good reason to replace the tank. Note that the level sensor often falls apart during removal, if it is 15+ years old, so don't be surprised if you also need a new sensor. Either way, the O-ring should be changed when the sensor comes out, they're generally deformed and tired after that many years.
Last edited by gsxr; 06-06-2008 at 10:50 AM.
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#15
06-06-2008, 11:53 AM
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Your new one has an extra hose barb at the top? an overflow hose? or is the old one there but out of sight on the back side?
I must admit to being shocked at my first sight of a Mercedes expansion tank -- I've seen a lot of plastic overflow tanks and have installed a few on older cars, but this one (in my '85, first M-B I'd owned) had a pressure cap on it! A plastic tank under pressure? Obviously it works, but I'm still surprised that more of them don't burst on a daily basis. Perhaps it is a function of my age group that I grew up believing good stuff was made of metal and cheap stuff was made of plastic (and said "Made in Japan"). Jeremy
__________________
"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 Last edited by Jeremy5848; 06-06-2008 at 12:10 PM. Reason: Add more comments
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