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#1
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2nd Coolant Resevoir?
What is the purpose of the second coolant resevoir behind the passenger wheel well? 1987 300TD
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www.jerseyplanning.com 1987 300TD 440K - My car 2005 Jeep Grand Cherokee Laredo 107K - Tim's car 2000 - CLK320 100K - Deb's car 1994 C230 150K - Josh's Car |
#2
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SLS resevoir?
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http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 |
#3
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You are probably referring to the reservoir for windshield washer fluid. It would spray on the BACK glass in this case. Is the liquid blue by chance? Not that this is a 100% dependable clue - but blue is very common for WW fluid.
Ken300D
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-------------------------- 1982 300D at 351K miles 1984 300SD at 217K miles 1987 300D at 370K miles |
#4
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No to both. This resevoir is located behind the front passenger wheel behind a panel. Right next to the Vacuum resevoir.
The SLS is behind the driver's headlight, the rear washer bottle is in the rear just under the antenna.
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www.jerseyplanning.com 1987 300TD 440K - My car 2005 Jeep Grand Cherokee Laredo 107K - Tim's car 2000 - CLK320 100K - Deb's car 1994 C230 150K - Josh's Car |
#5
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yup. the reservoir in the rear passenger wheel well, (under the jack / first aid kit) is for the rear wiper pump.
John
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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 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#6
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hmm, on my TD's I have no resevoir near the antenna. it's on the passenger's side. perhaps somebody added something?
John
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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 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#7
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i would imagine he is reffering to the overflow tank behind the front passenger wheel are just infront of the passenger door area behind the plastic inner fender liner. it is an actual over flow tank, the main one is the reservoir and this one collects any expansion fluid.
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1967 250 S 1967 280SE 1968 250S 1971 280 SE 1973 220 1974 280 S 1975 450 SEL 1976 220 D 1979 300SD 1983 300 SD 1985 230 TE euro 1986 280SL 1986 500 SEL euro 1986 190E 2.3 1990 300 SE 2003 C230 K 2004 C230 K 1987 560SEL 1987 300SDL now in canada 2005 C230 1998 C43 AMG Sold to DON 1993 190E 2.6 300TD Former daily driver Totaled current: R320 CDI Ram 2500 Cummins |
#8
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Quote:
Chris
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss |
#9
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If you have the metal one, you are lucky. If you have the plastic one....check it for cracks.
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#10
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i would imagine he is reffering to the overflow tank behind the front passenger wheel are just infront of the passenger door area behind the plastic inner fender liner. it is an actual over flow tank, the main one is the reservoir and this one collects any expansion fluid.
__________________ Yes, That's the one. What is its purpose. Does coolant stay in there to be sucked back up to the upper tank? Or does it have another, or no function?
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www.jerseyplanning.com 1987 300TD 440K - My car 2005 Jeep Grand Cherokee Laredo 107K - Tim's car 2000 - CLK320 100K - Deb's car 1994 C230 150K - Josh's Car |
#11
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Coolant overflow tank behind right front wheel
Does coolant stay in there to be sucked back up to the upper tank?
_________________________________________________________ Yes, that is correct. The overflow tank is attached to the drain line at the pressure cap that is visible on the passenger inner front fender. Not necessarily peculiar to Mercedes. Fords of the fifties, for example, had a similar configuration, a separate tank from the radiator that had the fill opening and pressure cap. Overflow tanks are outside of the pressure boundary, and the feed line is sunk low into the overflow tank so that as the system cools and depressurizes, the expelled fluid is then drawn back inside the pressure boundary. Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles |
#12
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Which is why you just keep losing coolant with a blown head gasket or cracked head? Because the system never depressurizes?
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www.jerseyplanning.com 1987 300TD 440K - My car 2005 Jeep Grand Cherokee Laredo 107K - Tim's car 2000 - CLK320 100K - Deb's car 1994 C230 150K - Josh's Car |
#13
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Not quite....
Quote:
The overflow reservoir eventually fills up and when it does, you will get water loss out the overflow overflow, so to speak..... When the system pressurizes from a head gasket leak, it experiences higher pressure over a longer period of time than would be the case for a normal system. Hence the potential for more water to blow out, as well as a reduced likelhood of the water returning as you surmised. Once the water is allowed to boil, and with a head problem this can easily be a localized phenomenum within the engine, steam is created and steam occupies a much greater space than water, encouraging greater amounts of water to escape into the overflow. There's only so much water that can be sucked back into the partial vacuum of a cooled cooling system, and if you've generated steam, the loss will always exceed the return. Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles |
#14
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Thanks.
It helps to have an understanding of how stuff works.I can guess all day long but usually that course of action will lead me astray of reality. Thanks again, Joe
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www.jerseyplanning.com 1987 300TD 440K - My car 2005 Jeep Grand Cherokee Laredo 107K - Tim's car 2000 - CLK320 100K - Deb's car 1994 C230 150K - Josh's Car |
#15
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The tank inside the the passenger fender is a vacuum reservoir. There is no overflow reservoir for the expansion tank, it vents to the atmosphere.
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