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GENERAL PROCEDURES
Rocker Arms —
Inspection
CAUTION: Do not attempt to true surfaces by grinding. Check the rocker arm pad, side
rails and seat for excessive wear, cracks, nicks or burrs. Check the rocker arm seat bolt for
stripped or broken threads. Install new components as ncessary or possible damage may
occur.
1. Inspect the rocker arm push rod bore for nicks, scratches, scores or scuffs. Install new components as necessary. Refer to the appropriate section in Group 303 for the procedure.
2. Inspect the pad at the valve end of the rocker arm for indications of scuffing or abnormal wear. If the pad is grooved, install a new rocker arm. Refer to the appropriate section in Group 303 for
the procedure.
SECTION 303-
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12003 Mustang Workshop Manual
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GENERAL PROCEDURES
Push Rods —
Cleaning
1. Clean the push rods (6565) in a suitable solvent. Blow out the oil passage in the push rods with compressed air.
SECTION 303-
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GENERAL PROCEDURES
Push Rods —
Inspection
1. CAUTION: Do not attempt to straighten push rods.
Check the ends of the push rods for nicks, grooves, roughness or excessive wear. Install new
push rods as necessary. Refer to the appropriate section in Group 303 for the procedure.
z The push rods can be checked for straightness while they are installed in the engine by
rotating them with the valve closed.
z They also can be checked using a Dial Indicator with Bracketry.
2. If the push rod is bent beyond specifications, install a new push rod. Refer to the appropriate section in Group 303 for the procedure.
SECTION 303-
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