KNOCKING COMING FROM UNDER THE HOOD

  • Tiny
  • 99Fordsuv
  • 1999 Ford Expedition
  • 126,000 miles

There is a Knocking sound coming from under my hood and I had white/misty smoke coming from tail pipe and also it want drive no faster that 30to40mph it reaves up but want pick up speed fast what could be the problem they keep telling me its a bent rod and I need to replace the motor im hoping its not that serious please help

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Monday, August 27th, 2012 AT 12:54 AM

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  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

The white smoke is burning coolant from overheating. The knock may or may not be a rod but it will have to come apart to determine the failure. It will be very costly either way

Roy

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Monday, August 27th, 2012 AT 12:58 AM
  • Tiny
  • 99Fordsuv
  • Member

It has never over heated or had any oil issues it just started smoking and knocking all of a sudden it keep getting less noisy

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Monday, August 27th, 2012 AT 1:58 AM

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