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Old 09-05-2002, 06:27 PM
Mark Elrod
Posts: n/a
Unhappy Balancer Pulley on 320 Engines

Is there any sort or recall or cure for the failures of the balancer pulley's on the 320 engines?

THere are threeMB's in our office and two have had the balancer pulleys fail within the last week. (One made a real mess by failing while at 70 MPH on the highway, we looke at the other and it was coming apart the same way.)

Any info will be appreciated, I am now headed back out to the shop to remove the one we caught so it can be replaced.

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Old 09-05-2002, 09:49 PM
Southern's Avatar
Registered User
Join Date: Jan 2000
Location: Carol Stream, Il, USA
Posts: 605
There are no recalls as far as I know.

The only cure is to replace it. I replace the one on my 98 E320 with 78K miles after the rubber gave out several weeks ago.

Mercedes has revised the rubber for the crankshaft pulley. Time will tell if the revised pulley will last.
1998 Mercedes E320, 200K Miles
2001 Acura 3.2TL, 178K Miles
1992 Chevy Astro, 205K Miles
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Old 09-06-2002, 12:40 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
TRY search for balancer or damper M112 (M113) engines as all V-6 & V-8 engines have this possibility. Has been hashed several times.
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Old 09-06-2002, 06:30 PM
h769821's Avatar
Happy Cruiser
Join Date: Jun 2000
Posts: 63
Don't know if this answers your question, but I saw the following at Alldata:

TSB Number Issue Date TSB Title 2000110004 JAN 01 Recall - Side Air Bag
96V175000 SEP 96 Recall 96V175000: Headlamp Washer Pump Replacement
CMP96_0413 APR 96 Recall - Engine Damper Pulley Replacement
96V058000 MAR 96 Recall 96V058000: Engine Balancer/Pulley Replacement
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