CYLINDER HEAD ASSEMBLY - REPLACE/REPAIR (Contd)
The cylinder head has integral valve guides. Service valve guides can be installed to meet tolerance specifications after
cylinder head is machined.
INSPECT VALVE GUIDE BORES.
Inspect valve guide bores for scuffing or scoring. If guide bores are scuffed or scored, service valve guides must be
installed. See REPAIR heading.
MEASURE VALVE GUIDE BORE. MAXIMUM ALLOWABLE
DIAMETER IS 0.3185 INCH.
If guide bores are worn, service valve guides must be installed. See
INSPECT VALVE SEATS.
Inspect valve seats for scoring, scratches, or a burned
If a valve seat is scored, scratched, or burned it must
be ground or replaced. See REPAIR heading.
INSPECT VALVE SPRINGS.
Visually inspect valve springs for nicks, deep scratches, rust deposits, notches at the end of the spring, and for wear