coolant
12-14-2004, 11:59 PM
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coolant
i own a mercedes benz 190e 92 ,i would like to know how often must you change the coolant and the amount of coolant you must mix with water.My cooling system is filled with a brown substance , i am not sure it it is mud or rust i would like to know how to clean it manually.any help will be greatly appreciated
12-15-2004, 12:25 AM
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'85 190E 2.3-16 '99 C280 '11 GLK350
Mercedes recommends a complete coolant change every 2 years, with the proper coolant, not the cheapo green stuff, due to the aluminum parts in the system.
Hate to break this to you, but muddy brown coolant is a symptom of oil mixing in with the coolant, possibly through the broken/blown headgasket or a warped head. Check your oil the next time you change it for signs of contamination with coolant, and regardless, have the compression checked in all cylinders.
Hate to break this to you, but muddy brown coolant is a symptom of oil mixing in with the coolant, possibly through the broken/blown headgasket or a warped head. Check your oil the next time you change it for signs of contamination with coolant, and regardless, have the compression checked in all cylinders.
12-15-2004, 08:51 PM
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Radiator
If you do find that you have a blown head gasket or some other major damage to your engine still have your Radiator replaced or have it serviced at a Radiator shop, don't rely on just draining it and refilling. Also i would replace all of the hoses, top and bottom plus waterpump and thermostat. Your call!!!!!!!
12-17-2004, 07:31 AM
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i would like to thank all those who posted their opinions,although i have discovered another thing when i sent the car to the garage the mechanic tested it with the hood open and it did not have any problem the temp will go up then the fan turns faster and it cools to 80 c.but when the bomnnet is closed the temperature does not go down,any ideas what might be wrong?any help greatly apppreciated
12-17-2004, 12:53 PM
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'85 190E 2.3-16 '99 C280 '11 GLK350
The two obvious systems to check would be the engine temp sensor, located up near the front of the engine on the intake side; and the viscous fan motor that controls the aux fan.
12-18-2004, 07:19 AM
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Originally Posted by MTI
The two obvious systems to check would be the engine temp sensor, located up near the front of the engine on the intake side; and the viscous fan motor that controls the aux fan.
