Dodge 2001 Ram 1500 Owner's Manual page 1404

BR/BE
INTAKE/EXHAUST VALVES & SEATS (Continued)
(2) Remove cylinder head cover (Fig. 47) (Refer to
9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).
(3) Remove the crankcase breather and vapor can-
ister (Fig. 48).
Fig. 47 Cylinder Head Cover and Gasket
1 - BOLT (5)
2 - GASKET
3 - "TOP FRONT"
4 - ISOLATOR (5)
(4) Using the crankshaft barring tool #7471–B,
rotate the engine and align the pump gear mark with
the top dead center (TDC) mark on the gear housing
cover (Fig. 49).
(5) With the engine in this position (pump gear
mark at 12 o'clock), valve lash can be measured at
the following rocker
EXHAUST 1–3–5. Measure the valve lash by insert-
ing a feeler gauge between the rocker arm socket and
crosshead (Fig. 50). Refer to VALVE LASH LIMIT
CHART for the correct specifications. If the measure-
ment falls within the limits, adjustment/resetting is
not necessary. If measurement finds the lash out-
side of the limits, adjustment/resetting is required.
arms: INTAKE 1–2–4
Fig. 48 Crankcase Breather Vapor Canister
1 - ENGINE FRONT COVER STUD
2 - STRAP
3 - VAPOR CANISTER
4 - NUT
5 - CAP
6 - CRANKCASE BREATHER
7 - CLAMP
8 - HOSE
VALVE LASH LIMIT CHART
INTAKE
0.152 mm ( 0.006 in.)
MIN.
0.381 mm (0.015 in.)
MAX.
note:
If measured valve lash falls within these
specifications, no adjustment/reset is necessary.
/
Engine operation within these ranges has no
adverse affect on performance, emissions, fuel
economy or level of engine noise.
ENGINE 5.9L DIESEL
EXHAUST
0.381 mm (0.015 in.)
MIN.
0.762 mm (0.030 in.)
MAX.
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