INSPECTION AND REPAIR (SHEET 1 OF 3)
Measure camshaft bushings (10 thru 12) inside diameter using bore gage
and micrometer at two locations 90 degrees apart.
If either measurement
exceeds 2.2524 inches, replace bushing.
If camshaft bushings require replacement, perform steps (2) through (5)
below otherwise go to step (6).
To remove intermediate and front camshaft bushings (10 and 11), insert
bushing puller into cylinder block.
Use open end wrench on square end of
bushing puller threaded rod to turn it and draw bushing out as shown.
To remove rear camshaft bushing
(12), remove plug at rear of
engine using wood dowel and
hammer to push it out. Insert
bushing puller from front of
cylinder block all the way to
rear of cylinder block. Use open
end wrench on square end of
bushing puller threaded rod to
turn it and draw bushing out as