Section I. ROCKER ARM MAINTENANCE
General mechanics tool kit: automotive (5180-00-177-7033)
Disconnect ground cable at shunt. (Refer to page 8-109.)
Valve cover removed. (Refer to page 4-4.)
Check or set valves while engine is
cold or cool enough to touch.
LOCATE TOP DEAD CENTER (TDC) FOR
CYLINDER NUMBER 1.
Bar engine with 1/2 inch breaker bar, until
Number 1 cylinder is at top dead center.
Ensure top dead center pin engages in
camshaft gear housing.
Disconnect pin when top dead center is
ADJUST VALVES INDICATED FOR STEP A (I
= INTAKE; E = EXHAUST).
Loosen locknut (1). Loosen or tighten
adjustment screw (2) until a slight
resistance is felt when feeler gauge (3)
is slipped between valve stem (4) and
rocker lever (5). Tighten locknut to 18 ft-
lbs (24 Nm) then recheck clearance.
Adjust intake valve clearance to .012 inch
Adjust exhaust valve clearance to .024 inch