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Car Forum / Mercedes-Benz Cars / July 2007Need help for a 300TD
The car is a 1987 300 TD Mercedes And it is running hot,the temperature gauge goes up very high after awhile driving, It goes up slowly but it does.The radiator reservoir tank when the gauge is up high, Starts to boils. What could that be? The car runs smooth. This could be a thermostat that is not opening all the way. How often to you drain and flush the coolant? This should be done annually. If it has not been drained and flushed with new coolant on a regularly scheduled maintenance basis, crud will build up in the system and cause problems of the nature you describe, for example, a piece of crud sticks to the shaft in the thermostant and then it binds there and cannot open completely. On Jul 15, 12:31 am, "JLPhillips" <youarethe...@nospam.yahoo.com> wrote: > The car is a 1987 300 TD Mercedes > And it is running hot,the temperature [quoted text clipped - 3 lines] > Starts to boils. What could that be? > The car runs smooth. Thank you for your help. I will have the thermostat changed out. I'll let you know if that work. Thanks again On Jul 15, 11:40 am, "JLPhillips" <youarethe...@nospam.yahoo.com> wrote: > Thank you for your help. I will have the > thermostat changed out. I'll let you know > if that work. Thanks again i had the same problem when I didnt bleed the air from the top of the thermostat. There's a little nut at the top - open it when you fill the coolant, and close it once coolant spills out. This made my 300 run a lot cooler. J Do you know where the thermostat location on the car? Thanks jlp >The car is a 1987 300 TD Mercedes >And it is running hot,the temperature [quoted text clipped - 3 lines] >Starts to boils. What could that be? >The car runs smooth. Bad radiator, thermostat or water pump. Or just a leak.  SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net |
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