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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Knocking sound

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Old Oct 12, 2010 | 06:53 AM
  #1  
Blade79's Avatar
Blade79
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From: Salisbury, MD
Knocking sound

A couple of months ago I replaced the rods and rockers in my truck. Now I don't drive it alot. Hardly at all actually because it's not tagged. But I still have a knocking sound somming from the passanger side of the motor. Whay am I still getting this noise?
Truck info: 89 F250, 351W, C6 tranny, 4x4.
Any help would be apperciated!!!
 
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Old Oct 12, 2010 | 07:25 AM
  #2  
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timbersteel
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From: Mexico, Missouri
I'm not a true mechanic whenit comes to this, but there is always the garden hose test or stethescope to pinpoint the sound. Could be any number of things.

Did you replace the mains and the rod bearings? Could be a rocker loose..You could always pull one plug at a time on the passenger side to see if the noise changes shortly.

hopefully someone has run into the very same problem as you and can extend some wisdom.
 
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