Mechanics

COLD START KNOCK

2009 Nissan Frontier

Noises problem
2009 Nissan Frontier 6 cyl Four Wheel Drive Automatic 24000 miles

I just purchased my truck about a month ago. I have been hearing a knock in the engine when driven cold. It does not do this at idle. When put in gear and driven, it makes this noise for until the engine is good and warm. It is a corporate truck according to the nissan dealer I purchased it from. From what I can find on maintanence the first oil change was not until 7900 miles. I dont know if that is a factor or not. The dealer here says it is normal for these engines to do this when cold. Any thought?

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Acerjac
October 20, 2009.



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