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#1
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Pictorial on how to change the coolant expansion tank.
I just finished up the pictorial on how to change the coolant expansion tank on the turbo diesel.
http://dieselgiant.com/mercedescoolantexpansiontank.htm A quick easy project any one can do! Enjoy.
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1981 300D 147k 1998 VW Jetta Tdi 320k 2001 Dodge Ram 2500 141k 1979 300D 234k (sold) 1984 300D "Astor" 262k(sold) Mercedes How-To and Repair Pictorials I love the smell of diesel smoke in my hair |
#2
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That was a "cool" pictorial.
I will check mine in the AM. btw: I heard you are putting together a pictorial on W123 Dash removal and pod replacement just in time for Spring!!!!!
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'87 924S '81 280SEL Sold -> 81 300SD - 93 300E w/ 3.2 85 300D- 79 300SD 82 300CD 83 300CD - CA 87 190E 5 spd 87 Porsche 924S "..I'll take a simple "C" to "G" and feel brand new about it..." |
#3
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Once again, an excellent pictorial by the giant. That's almost too easy to do.
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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. |
#4
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I think I may do mine sometime soon, whenever I fill mine up to the fill line, within a day its down below the seam. Then it stays there indefinatley. Hmmmm, says I. Also, when I do it I am going to wire up a sensor too. Then I can be fancy and have a low coolant light too.
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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) |
#5
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Well, I just made a big order to Fastlane....In it are: new expansion tank, plug kit (cheaped out on the sensor idea...) some fuel filters, injector heat shields, some light bulbs, a rubber control arm stop-bumper, and thats it. Came to $100.00 even when I threw in a turn signal bulb (that I don't need) and so I get free shipping. I determined that my expansion tank has a crack in it in almost the same exact spot as the one in dieselgiant's write up! Explains why all my coolant "disappears" to below the seam level, then stays there.....
I'm also going to inspect my air cleaner assembly closer on wednesday....as I am paranoid about how well its sealed, and I think one of the mounts broke again. I have 8 in my trunk, so I am prepared! If I get too paranoid on the intake seals....dieselgiant may have an $18 order headed his way.....
__________________
-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) |
#6
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Replaced my expansion tank today....did it a little differently, I unbolted the bolts....loosened the clamps for the hoses, pulled off the overflow and upper skinny coolant hose, lifted up the tank, pulled off the lower hose, tossed the tank on the ground (yes, with the remaining coolant in it), attached the new tank to the lower hose, mounted it with the bolts, attached other hoses, added coolant, and was done. Total time spent: ~25 mins, 18 of them were trying to get that stupid plug into the sensor hole on the new tank... Drove it around to operating temp, all is non-leaking and operating correctly.
Then I took apart half of my interior, and my light bars, to rig up a switch on my lower dash which allows me to turn on my reverse lights manually, since they don't come on from the shifter switch anymore (never have), works great! At least now I can turn them on when I need to....very easy, I just click the switch when backing up, then click it again when I shift back to drive. It may not be 'the best solution' but it only cost me about $3.60 to implement. The whole process took almost 3 hours though.....
__________________
-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) |
#7
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Well done, Diesel Giant, very well done!
Tom Valdriz |
#8
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Thank you very much!
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1981 300D 147k 1998 VW Jetta Tdi 320k 2001 Dodge Ram 2500 141k 1979 300D 234k (sold) 1984 300D "Astor" 262k(sold) Mercedes How-To and Repair Pictorials I love the smell of diesel smoke in my hair |
#9
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Upper hose
What is size of the upper hose that runs from the expansion tank to the radiator on a 1985TD ? The Fastlane seems to show a 8 x 15 mm but I'm not so sure .
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David McDonald 1981 240D 1985 300D (wrecked) 1985 300TD 365,000 miles 1969 Mustang Fastback |
#10
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This reminds me, I am about due to place another order with Diesel Giant.
Thanks for all the great tutorials, etc on your website. A big help to MB diesel newcomers like myself. We appreciate you! Tim
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2009 VW TDI Jetta Sportwagon 172k miles (rear-ended harder than Elton John on 8/4/13. Total loss) 1991 Volvo 240 142k miles (T-boned by a stop sign runner. Total loss) |
#11
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You had the green stuff in your radiator!!
JK, great job!! Hey Pawosd, does the new tank hold a level above the seam now??
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
#12
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Wow, talk about a hard repair. Three bolts, two hose clamps and a slip on hose, I don't know how some people manage to complete such an extreme task!
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#13
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Quote:
I think so....but I don't have it filled that high...its about 1" below the seam....has been forever, it never changes....so everything must be fine. Temps rarely even reach 83C...usually its around 79-80....
__________________
-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) |
#14
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I would love to do this to my car... it really makes the engine compartment look great.
PawoSD, I know this is an older thread, but it sounds to me like your NSS is out of adjustment. Could be a really easy fix, or I guess it could be a bad NSS. |
#15
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NSS?
My car has been running at 80-81C when its fully warmed up around the city....83C on the highway, and it runs dead-on at 85C when its above 65F outside....never higher. With my old radiator it was 85C with low outside temps, and as high as 105C when it got into the 90's out....the inside of the old radiator (it was the original) was fine, the fins were damaged and filthy though, it was time to replace it before it failed randomly.
__________________
-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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