| Subject: | Fan blade failure (engine cooling fan) |
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| Investigations Summary: | This investigation was opened on Nov. 14, 2005. It was closed on Sep. 12, 2006. Daimlerchrysler corporation (dcc) has notified the agency that it will conduct a safety recall (06v199) of certain Jeep grand cherokee vehicles to replace the engine's electric motor driven cooling fan. The 182,875 vehicles included in the recall are model year (my) 2002 equipped with 4. 0 liter (six cylinder) engines manufactured from February 4, 2002 through June 17, 2002; and my 2000 equipped with either the 4. 0 liter (six cylinder) or the 4. 7 liter (eight cylinder) engine manufactured from January 31, 2000 through June 12, 2000. Dcc noted that their analysis of failed parts showed evidence of brittle fracture of the fan blade. Dcc further stated, "poor bonding between the resin material and the glass fibers was observed, which may be attributed to the injection molding process. " since the root cause of fan failure could not be conclusively identified dcc decided the recall scope would be determined by the build date range of the complaint vehicles. There were 48 reports for my 2000, and 196 for my 2002. Odi will continue to monitor this issue for reports on vehicles outside of the recall scope. |
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