Valve Train Analysis, Static (Engine Off)

Rocker Arm Cover Removed

NOTE: Static Valve Train Analysis, with the engine (6007) off, is to be performed before Dynamic Valve Train Analysis which is performed with the engine running.

NOTE: Remove valve cover (6582) as outlined in Section 03-01A (4.9L SFI), Section 03-01B (5.0L and 5.8L MFI), Section 03-01C (7.5L MFI) or Section 03-01D (7.3L diesel).

Check for damaged and/or severely worn parts, correct assembly, and use of correct parts by proceeding with the static engine analysis.

Rocker Arm

• Check for loose mounting bolts, studs and nuts.
• Check for plugged oil feed in the rocker arm (6564) or cylinder head (6049).

Push Rods

• Check for bent push rods (6565) and restriction in oil passage.

Valve Springs

• Check for broken or damaged parts.

Valve Spring Retainer and Valve Spring Retainer Keys

• Check for proper seating of valve spring retainer keys (6518) on valve stem and in valve spring retainer (6514).

Positive Rotator and Keys

• Check for proper seating in the exhaust valve spring retainer and on valve stem.

Valves and Cylinder Head

• Check for signs of improper cylinder head gasket installation such as the shape of the cylinder head and block and the shape of the head gasket (6051) not matching.
• Check for signs of cylinder head gasket leakage such as coolant or oil leaking between cylinder block and cylinder head.
• Check for plugged oil drainback holes.
• Check for worn or damaged valve tips.
• Check for missing or damaged intake and exhaust valve seals.
• Check valve clearance as outlined in Section 03-01A (4.9L SFI), Section 03-01B (5.0L and 5.8L MFI), Section 03-01C (7.5L MFI) or Section 03-01D (7.3L diesel).
• Check installed spring height.
• Check for missing or worn valve spring seats, if equipped.