5.4 triton

Discussion in 'Engine & Performance' started by thesman727, Feb 11, 2016.

  1. thesman727

    thesman727 Full Access Member

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    Ok gentlemen. My buddy has a 2003 f150 with a 5.4l triton and it now makes this noise. What is it


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  2. Shaggy

    Shaggy Administrator Staff Member

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    Sounds bad. Like a piston or valve.
     
  3. Roush PSD Interceptor

    Roush PSD Interceptor Straight Piped Diesel Staff Member

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    Rod bearing cap loose.

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