1978 Ford Thunderbird Knock/tapping

1978 FORD THUNDERBIRD
56,000 MILES • V8 • 2WD • AUTOMATIC
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ROBERT1988
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  • 3 POSTS
I have a 78 Thunderbird with a 351M and i have a weird knocking/tapping coming from the block and it gets quieter when its warm and doesnt get louder when i rev it i have great oil pressure and its not over heating im just stumped
Apr 30, 2010 at 7:41 PM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
Usually it's a connecting rod, or wrist pin bearing. Could run for many miles like this...
May 2, 2010 at 3:12 AM
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ROBERT1988
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  • 3 POSTS
Well i tried to see if it was a rod by taking off one wire at a time but it was still there im not quite sure how to see if its a wrist pen or where to start any help?
May 2, 2010 at 9:53 PM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
My experience on Fords tells me it's the the front cylinder, driver's side...
May 3, 2010 at 11:43 AM
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ROBERT1988
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  • 3 POSTS
So is it fixable with out a rebuild?
May 3, 2010 at 12:33 PM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
NO...
May 4, 2010 at 7:27 AM
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