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#16
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Have the new gasket ready that goes on the head. It's a $1 part. Put a rag in the head while you scape off the old gasket to keep the scmootz out of there. Use a new hose of course. Take a good look at the fitting that comes from the water pump while you have the hose off. It may be getting ready to go too. If so there is no better time to do it! It's leaks after you shut it down because the system is still under pressure and the coolant finds the path of least resistance. I just did one last week. Don't over torque the bolts that go into the head. It's just a coolant fitting, not a moving part. I like to use grey RTV water pump sealant for any coolant areas but everyone has their favorite flavor. By the looks of the rust around the fitting I would flush the system. I see nothing wrong with green coolant. Although I do like the color Orange. I think I'm up to 10 cents now.
Oh, and have fun.
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'70 F100 shortbed '82 Diesel Westy '83 Euro 300TD Curtlo Viper Yeti ARC Surly long haul trucker Last edited by Fattyman; 08-23-2010 at 12:36 AM. |
#17
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10¢ that are greatly appreciated. Thanks Fattyman.
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1979 240D w/4 Speed Manual, Light Blue Estimated 225-275K Miles - "Lil' Chugs"
Sold but fondly remembered: 1981 300TD Turbo Tan 235K miles, 1983 300SD Astral Silver 224K miles |
#18
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Answer
Hose, thermostat to water pump
MB# 900271042012 Gasket, thermostat housing to cylinder head MB# 616 203 02 80 thermostat MB# 617 200 18 15 Fastlane: thermostat http://catalog.peachparts.com/item.wws?sku=W0133-1629646 .
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ Last edited by whunter; 06-06-2011 at 04:54 PM. |
#19
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Thanks whunter. I think I am actually going to expand this a little bit.
My radiator is leaking a little bit at the seam, so I decided I am just going to take care of all of this at once while I am draining the coolant. So my plan is to take care of the following: • Radiator • Radiator mount kit (clips and stuff) • Upper and lower radiator hoses (I should do this, right?) • Thermostat • Thermostat housing to cylinder head gasket • thermostat to water pump hose • New red coolant Anything I am missing that is in the circuit of things being changed? I have read a little bit here and there about citrus flush. Is there any need to worry about this if I am changing out the radiator? Help is greatly appreciated. Never had to deal with the cooling system on any of my other MBs in the past. I always search on any job I am going to do, but may not realize I am missing something if I don't know what I am getting into.
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1979 240D w/4 Speed Manual, Light Blue Estimated 225-275K Miles - "Lil' Chugs"
Sold but fondly remembered: 1981 300TD Turbo Tan 235K miles, 1983 300SD Astral Silver 224K miles |
#20
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get MB coolant or Zerex G05. not the DEX-COOL. *(DEATHCOOL)*
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#21
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A Question about the thermostat gasket, When i replaced mine there was a slit in the old one and a hole in the new one for the little by-pass line. Which is correct or was my old one just swollen shut to look like a slit? By the way i broke off the lower bolt on the t-stat housing and had to tap a new thread so let those suckers soak over night or longer.
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#22
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Thanks Quirky Mercy for the info about the bolts. That is two on "let it soak" so I better... Obviously I don't know the answer to your question because I've never been in there, but hopefully someone will know.
One last bump before I order parts. Can anyone think of anything I should get other than the following, if doing both the radiator and the thermo gasket? • Radiator • Radiator mount kit (clips and stuff) • Upper and lower radiator hoses (I should do this, right?) • Thermostat • Thermostat housing to cylinder head gasket • thermostat to water pump hose • New red coolant ? Thanks
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1979 240D w/4 Speed Manual, Light Blue Estimated 225-275K Miles - "Lil' Chugs"
Sold but fondly remembered: 1981 300TD Turbo Tan 235K miles, 1983 300SD Astral Silver 224K miles |
#23
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Flush your system first so you don't circulate all the crap into your new radiator. Use anti seize on the thermostat housing bolts to keep them from seizing up again. Makes taking them off almost pleasurable! Clean the mating surfaces with scotchbrite (where the hoses mount). I like to use a little Dow DC4 grease on the O ring of the thermostat as well (make sure that the relief area where the o ring goes is nice & clean too. We would always spend more time cleaning parts than reassembling them!
Take your time, save the beer for later.
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'70 F100 shortbed '82 Diesel Westy '83 Euro 300TD Curtlo Viper Yeti ARC Surly long haul trucker |
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