Dodge 2001 Ram 1500 Owner's Manual page 1405

9 - 258 ENGINE 5.9L DIESEL
INTAKE/EXHAUST VALVES & SEATS (Continued)
Fig. 49 Fuel Pump Gear Timing Mark Orientation
1 - MEASURE/ADJUST INTAKE 1, 2, 4 EXHAUST 1, 3, 5
2 - MEASURE/ADJUST INTAKE 3, 5, 6 EXHAUST 2, 4, 6
Fig. 50 Measuring Valve Lash
1 - INTAKE
2 - FEELER GAUGE
3 - EXHAUST
(6) If adjustment/resetting is required, loosen the
lock nut on rocker arms and turn the adjusting screw
until the desired lash is obtained:
• INTAKE 0.254 mm (0.010 in.)
• EXHAUST 0.508 mm (0.020 in.)Tighten the lock
nut and re-check the valve lash.
(7) Using the crankshaft barring tool, rotate the
crankshaft one revolution (360°) to align the pump
gear mark to the 6 o'clock position in relation to the
TDC mark on the gear housing cover (Fig. 49).
(8) With the engine in this position (pump gear
mark at 6 o'clock), valve lash can be measured at the
remaining rocker arms: INTAKE 3–5–6 / EXHAUST
2–4–6. Use the same method as above for determin-
ing whether adjustment is necessary, and adjust
those that are found to be outside of the limits.
(9) Install the cylinder head cover (Fig. 47) (Refer
to 9 - ENGINE/CYLINDER
HEAD COVER(S) - INSTALLATION).
(10) Install the fuel pump gear access cover.
(11) Connect the battery negative cables.
REMOVAL
(1) Disconnect the battery negative cables.
(2) Remove the cylinder head cover (Fig. 52) (Refer
to 9 - ENGINE/CYLINDER
HEAD COVER(S) - REMOVAL).
(3) Remove the rocker arms and crossheads (Fig.
53) from the cylinder(s) to be serviced. Mark each
component so they can be installed in their original
position.
(4) Remove the crankcase breather vapor canister
and breather housing (Fig. 55).
(5) Using the crankshaft barring tool #7471–B
(Fig. 51), rotate the engine to line up the mark on
the pump gear with the TDC mark on the cover. At
this engine position, cylinders #1 and #6 can be
serviced.
(6) Remove the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(7) With the fuel injection pump gear mark aligned
at TDC, add a paint mark anywhere on the gear
housing cover next to the crankshaft damper. Place
another mark on the vibration damper in alignment
with the mark you just made on the cover.
(8) Divide the crankshaft damper into three
equally sized segments as follows:
(a) Using a tape measure, measure the circum-
ference of the crankshaft damper and divide the
measurement by three (3).
(b) Measure that distance in a counter-clockwise
direction from the first balancer mark and place
another mark on the balancer.
(c) From the second damper mark, again mea-
sure in a counter-clockwise direction and place a
mark on the damper at the same distance you
measured when placing the second damper mark.
BR/BE
HEAD/CYLINDER
HEAD/CYLINDER