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Home >> Ford >> 1991 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications - 6-CYL >> Mechanical Checks >> Valve Clearance
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Valve Clearance

NOTE: No valve adjustment is required as hydraulic valve lifters are used. If incorrect valve clearance is suspected, collapse the lifter before checking clearance.
COLLAPSED VALVE LIFTER CLEARANCE

Application In. (mm)
Allowable .100-.200 (2.54-5.10)
Desired .125-.175 (3.18-4.45)