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2000 Ford Expedition 4X4 4.6 ltr V8

Tiny
MITCSTE
  • MEMBER
  • 2000 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
Lifter/valve noise #2 cylinder! Was told it was lifters but no! I replaced them. I pulled lifters and rockers out checked them thouoghly replaced lifters. Rockers show little signs of wear, bearings ect. Valve stems and springs appear fine. Take rockers off noise might go away. Take lifters and rockers off and noise does go away! Engines runs smooth when all together just a horrible noise! Mileage 145,000
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Monday, July 18th, 2011 AT 7:42 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Check for any clearence between base of cam lobe and followerie. Cyl. At TDC
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Monday, July 18th, 2011 AT 7:56 PM
Tiny
MITCSTE
  • MEMBER
  • 2 POSTS
None
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Monday, July 18th, 2011 AT 7:57 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Possibilities broken valve spring or seat has come loose from head
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Tuesday, July 19th, 2011 AT 2:09 PM

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