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Old 06-07-2001, 12:12 AM
JDUB JDUB is offline
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Join Date: Apr 2000
Posts: 412
Check your thermostat. It is a very easy test. Remove the thermostat ( it takes about 3 miniutes on this car). Boil it on the stove and use a thermometer to see when it opens or if it opens all the way. I was baffled because the thermostat on my 190e 2.6 was only opening a crack. On the highway the temp was fine, but would shoot up quickly in traffic. Hope this helps you. I wrestled with the problem for a while. I didn't think it was the thermostat because it opened enough to be cool on the highway. Usuallt the thermostat will stick open or not open at all. I flushed the cooling system several times and took it to "professionals" to have it flushed. Found out the professionals that I took it to didn't know jack.
1990 190E 2.6
1996 Grand Voyager 3.3
1985 Mustang GT 5.0 5 SPD
1982 Suzuki GS 750T
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