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  #1  
Old 03-02-2003, 09:25 PM
brookspw's Avatar
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Join Date: Dec 2001
Location: Nashville, TN
Posts: 551
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
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  #2  
Old 03-02-2003, 09:48 PM
Meza's Avatar
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Join Date: Jan 2003
Location: SC
Posts: 148
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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1993 190E 2.6
Advanced Diesel Systems Test and Research Engineer
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  #3  
Old 03-02-2003, 10:18 PM
brookspw's Avatar
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Join Date: Dec 2001
Location: Nashville, TN
Posts: 551
Pic?

Interestingly, my fan (viscous?) fan clutch was replaced about 7k ago (not cooling engine).
__________________
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
Reply With Quote
  #4  
Old 03-04-2003, 01:09 AM
Meza's Avatar
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Join Date: Jan 2003
Location: SC
Posts: 148
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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