ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Lifter / Lash Adjuster, Valve|Specifications|Page 1350 > < Engine - Intermittent Knocking Noise At Idle|Page 1346
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Lifter / Lash Adjuster: Specifications

Valve Tappet Diameter (Std.)  ...........................................................................................................................................................  22.206 mm (0.874 in.) 
Valve Tappet Clearance to Bore  ................................................................................................................................  0.018-0.069 mm (0.0007-0.0027 in.) 
Valve Tappet Service Limit  ................................................................................................................................................................  0.127 mm (0.005 in.) 
Collapsed Intake Tappet Gap (Nominal)  ...........................................................................................................................  2.23-4.77 mm (0.088-0.189 in.) 
Collapsed Exhaust Tappet Gap (Nominal)  ........................................................................................................................  2.23-4.77 mm (0.088-0.189 in.) 
Valve Tappet Hydraulic Leakdown Rate:

20-200 seconds to leakdown 3.18 (0.125 in with 225 Newtons (50 pounds) load and tappet filled with leakdown fluid.

Lifter / Lash Adjuster, Valve|Specifications|Page 1350 > < Engine - Intermittent Knocking Noise At Idle|Page 1346