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Harmonic Balancer Defect Investigation by NHTSA
FYI -
NHTSA Action Number : PE03058 NHTSA Recall Campaign Number : N/A Make : MERCEDES BENZ Model: ML320 Manufacturer : MERCEDES-BENZ USA, LLC. Year : 2000 Component : ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS Date Investigation Opened : December 17, 2003 Date Investigation Closed : Open Summary: ODI HAS RECEIVED 35 REPORTS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON THE SUBJECT VEHICLES EQUIPPED WITH M112 OR M113 ENGINES. THE M112 SERIES IS MERCEDES-BENZ'S FIRST EVER PRODUCTION V6 ENGINE AND ITS MODULAR DESIGN ALLOWS IT TO SHARE MANY COMPONENTS, INCLUDING THE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER, WITH THE M113 SERIES V8 ENGINES. THE M112 AND M113 ENGINE CRANKSHAFT PULLEY PROVIDES ACCESSORY POWER VIA A SERPENTINE BELT. THE COMPLAINANTS ALLEGE THAT ENGINE CRANKSHAFT PULLEY FAILURE CAUSES LOSS OF POWER STEERING ASSIST WHICH MAY INCREASE THE RISK OF A CRASH. A PRELIMINARY EVALUATION HAS BEEN OPENED TO ASSESS THE SCOPE AND SAFETY CONSEQUENCES OF THE ALLEGED DEFECT. |
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