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Home >> Lincoln >> 1972 >> Mark IV Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Ford Motor Co. V8 Engines (429 & 460) >> Hydraulic Lifters >> Leak-down Test

Leak-down Test

Allowable leak-down rate (using tester) is 5-50 seconds under 50 lb. load.

Fig 1: Hydraulic Valve Lifters
G09324130Courtesy of FORD MOTOR CO.