Dakota R/T 2WD V8-5.9L VIN Z LDC (1999)
Slowly turn reamer by hand and clean guide thoroughly before installing new valve. Ream the valve guides from standard to 0.381 mm (0.015
inch). Use a 2 step procedure so the valve guides are reamed true in relation to the valve seat:
^
Step 1-Ream to 0.0763 mm (0.003 inch).
^
Step 2-Ream to 0.381 mm (0.015 inch).
REFACING VALVES AND VALVE SEATS
Valve Face And Seat Angles
The intake and exhaust valves have a 43-1/4° to 43-3/4° face angle and a 44-1/4° to 44-3/4° seat angle.
VALVES
Intake And Exhaust Valves
Inspect the remaining margin after the valves are refaced. Valves with less than 1.190 mm (0.047 inch) margin should be discarded.
VALVE SEATS
