Cylinder head has integral valve
guides. Service valve guides can be
installed to meet tolerance
specifications after cylinder head is
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 Step e. Repair.
Measure valve guide bore. Maximum
allowable diameter is 0.3185 in. (8.09 mm).
If guide bores are worn, service valve guides must be installed. See Step e. Repair.
Inspect valve seats.
Inspect valve seats for scoring, scratches, or burned condition.
If a valve seat is scored, scratched, or burned it must be ground or replaced. See
Step e. Repair.
Inspect valve springs (10).
Visually inspect valve springs for nicks,
deep scratches, rust deposits, notches at
end of spring, and for wear between coils.
Using valve spring tester, check
65.0 - 72.2 lb
(29.48 - 32.75 kg)
Length under test
Free length after test
Spring must not be
bent more than