W-126 Overheating problem
07-23-2003, 01:17 PM
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1990 300SE
W-126 Overheating problem
I have a 1990 300SE with about 190,000 miles. I replaced both aux. cooling fans this past year, the engine fan clutch, thermostat, water pump about 40,000 miles ago and I replaced the radiator about 2 years or 55,000 miles ago with an aftermarket radiator made in Israel. The car is experiencing high running temps at 65mph+ with outside temps above 78F. It will go right below the 100C mark. In stop and go it will raise to about 110C and with the AC on it will go to about 115C before I turn the heat on to cool it down. I think the aftermarket radiator is the cause of my cooling problem. Is there anything I can do to check it? What are your thoughts?
Thanks,
Dan
Thanks,
Dan
07-23-2003, 01:30 PM
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1986 560SEL, 97 BMW 740iL
I don't mean anything bad about Isreali's products. I know they made great Uzi's. Radiators? Yours must slipped the quality control department or the importer just shipped bad parts, who knows? I would get another radiator to see if that would correct the problem. Since you have done most of the things I would too. Oh, what is the rating on your thermosat? You could change it to a cooler one.
07-24-2003, 05:31 AM
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ML 55 and 420 SEL
i am having the sam exact issues with my 1991 420 sel
check out what ppl said on the benzworld forum..
http://www.benzworld.org/forums/mess...3&id=12&view=t
ill update you all on how mine works out..
check out what ppl said on the benzworld forum..
http://www.benzworld.org/forums/mess...3&id=12&view=t
ill update you all on how mine works out..
07-26-2003, 01:33 AM
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I too mean no disrespect to the Isreal manfacturers, but you may have a "flow" issue that time has caught up with. Even with scheduled coolant changes, there could be sufficient blockage inside that would now be affecting a unit that wasn't 100% in the flow area to begin with.
This is all speculation as I have no knowledge of radiators made in that part of the world.
This is all speculation as I have no knowledge of radiators made in that part of the world.
