Dodge 2001 Ram 1500 Owner's Manual page 1419

9 - 272 ENGINE 5.9L DIESEL
CAMSHAFT & BEARINGS (IN BLOCK) (Continued)
(29) Remove the camshaft (Fig. 91) and thrust plate.
Fig. 91 Camshaft Removal/Installation
INSPECTION
Camshaft
(1) Inspect the valve lobes and bearing journals for
cracks, pitting, scoring, or generally excessive wear.
Replace any camshaft that exceeds the allowable limits.
(2) Measure the bearing journals and lobes (Fig. 92).
Fig. 92 Measuring
1 - VALVE LOBE
2 - CAMSHAFT JOURNAL
JOURNAL DIAMETER #1 54.028 mm (2.1270 in.) MIN.
JOURNAL DIAMETER #2 - 7 53.987 mm (2.1245 in.) MIN.
LOBE HEIGHT INTAKE 47.173 mm (1.857 in.) MIN.
LOBE HEIGHT EXHAUST 45.636 mm (1.796 in.) MIN.
CAUTION: If Camshaft lobes are worn, requiring
camshaft replacement, it is necessary to replace the
tappets also. (Refer to 9 - ENGINE/ENGINE BLOCK/
SOLID LIFTERS - REMOVAL).
Camshaft Bushing/Bores
Camshaft bores No. 2–7 do not use a bushing.
(1) Inspect the camshaft bushing and bores for
signs of excessive wear.
(2) Measure the camshaft bushing and bores (Fig.
93) with a telescoping bore gauge and micrometer. If
out of specification, (Refer to 9 - ENGINE/ENGINE
BLOCK/CAMSHAFT & BEARINGS (IN BLOCK) -
REMOVAL).
(3) Inspect the camshaft bushing oil hole for align-
ment with cylinder block (Fig. 94).
Fig. 93 Measuring Camshaft Bushing and Bores
Fig. 94 Inspecting Oil Hole Alignment
1 - CAMSHAFT BUSHING
BR/BE