Operation CHARM: Car repair manuals for everyone.

Valve Lifter

Collapsed Tappet Gap (Nominal):
Intake 2.23 - 4.77 mm (0.088 - 0.189 inch)
Exhaust 2.23 - 4.77 mm (0.088 - 0.189 inch)
Valve Tappet, Hydraulic:
Diameter 22.206 mm (0.874 inch)
Clearance To Bore:
Standard 0.018 - 0.069 mm (0.0007 - 0.0027 inch)
Service Limit 0.127 mm (0.005 inch)
Hydraulic Leak-Down Rate (a)
Collapsed Tappet Gap (Nominal):
Intake 2.23 - 4.77 mm (0.088 - 0.189 inch)
Exhaust 2.23 - 4.77 mm (0.088 - 0.189 inch)


(a) 20 - 200 seconds to leak down 3.18 mm (0.125 inch) with 225 Newtons (50 lbs.) load and tappet filled with leak-down fluid.