2000 ford expedition 4x4 4.6 ltr v8

2000 FORD EXPEDITION
145,000 MILES • V8 • 4WD • AUTOMATIC
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MITCSTE
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  • 2 POSTS
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
Jul 18, 2011 at 7:42 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Check for any clearence between base of cam lobe and followerie. cyl. at TDC
Jul 18, 2011 at 7:56 PM
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MITCSTE
  • MEMBER
  • 2 POSTS
none
Jul 18, 2011 at 7:57 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Possibilities broken valve spring or seat has come loose from head
Jul 19, 2011 at 2:09 PM
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