Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Lifter / Lash Adjuster, Valve

Valve Tappet Hydraulic Diameter (Std) 0.8738-0.8745 inch
Clearance to Bore 0.0007-0.0027 inch
Service Limit 0.005 inch
Hydraulic Leakdown Rate See Note
20-200 seconds to leakdown 3.18 mm (0.I25 inch) with 225 Newtons (50 pounds) load and tappet filled with leak-down fluid.
Collapsed Tappet Gap Nominal
Intake 0.089-0.189 inch
Exhaust 0.089-0.189 inch