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#1
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Roaring pulley on 190E
Hey guys, my 1991 190E 2.6 has 146,000 miles -- runs and looks great.
I have started to hear a "roar" in the pulley area -- my guess is that a bearing is going out. In the immediate vicinity on the belts are the alternator, water pump, camshaft, and idler pulley (tensioner). I think I can rule out the camshaft and alternator. I'll check more closely tomorrow, but what do you think -- pulley or water pump? (One thing -- it doesn't seem to do it "all" of the time, it seems to get better then worse again. -- I hope that isn't an indication of the water pump -- thermostat starting/stopping the water flow).
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1994 C280, dark green metallic 105k miles 1991 190E 2.6, Black 191,500 miles (sold to another forum member) 2003 Chevy Tahoe LT, Redfire Metallic 105k miles 1989 Mustang GT Cobra Convertible 43k miles |
#2
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check the bracket that holds the fan clutch. The bearing in that bracket came off in my 93 2.6 190e and broke the belt. here is a picture from fastlane.
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Meza 1993 190E 2.6 Advanced Diesel Systems Test and Research Engineer |
#3
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Pic?
Interestingly, my fan (viscous?) fan clutch was replaced about 7k ago (not cooling engine).
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1994 C280, dark green metallic 105k miles 1991 190E 2.6, Black 191,500 miles (sold to another forum member) 2003 Chevy Tahoe LT, Redfire Metallic 105k miles 1989 Mustang GT Cobra Convertible 43k miles |
#4
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Pic...
I am not sure how to insert a picture in my reply. I tried to insert an image but did not work. Anyways, go to:
http://catalog.eautopartscatalog.com/pmc/wizard.jsp?partner=pmc&year=1993&make=MB&model=190-E-005&category=G&part=Fan+Clutch+Bearing+Brkt Click on picture to enlarge I always buy from www.performancemotorcars.com They are by far the cheapest. Good Luck PS. You may want to try a "Mechanic Stethescope" to pin point the noise. it may prove helpful.
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Meza 1993 190E 2.6 Advanced Diesel Systems Test and Research Engineer |
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