Dodge 2000 DURANGO - Page 578

(6) Coat the crankshaft main bearing journals
with clean engine oil and position the bedplate onto
the cylinder block.
NOTE: Lubricate the bedplate retaining bolts with
clean engine oil prior to installation.
(7) Install the bedplate retaining bolts, making
sure to place the stud bolts in the correct location,
Torque the bolts in the sequence shown (Fig. 121).
• Tighten bolts A–Lto 54 N·m (40 ft. lbs.)
• Tighten bolts 1–10 to 2.8 N·m (25 in. lbs.)
• Turn bolts 1–10 an additional 90°.
• Tighten bolts A1– A6 to 27 N·m (20 ft. lbs.)
(8) Measure crankshaft end play. Refer to Crank-
shaft Main Bearings in this section for procedure.
(9) Install the connecting rods and measure side
clearance. Refer to Connecting Rod Bearings in this
section for procedure.
(10) Position the oil pan gasket/windage tray,
using a new o-ring, install the oil pickup tube.
Torque the bolt to 28N·n (20 ft. lbs.) torque the nuts
to 28N·m (20 ft. lbs.).
(11) Install the oil pan. Torque the retaining bolts
to 15 N·m (11 ft. lbs.) in the sequence shown (Fig.
122).
(12) Install the engine.
FLEXPLATE
REMOVAL
(1) Remove the transmission. Refer to Group 21,
Transmission and Transfer Case for procedure.
(2) Remove the bolts and flexplate.
INSTALLATION
(1) Position the flexplate onto the crankshaft and
install the bolts hand tight.
(2) Tighten the flexplate retaining bolts to 60 N·m
(45 ft. lbs.) in the sequence shown (Fig. 123).
(3) Install the transmission.
OIL PUMP
REMOVAL
(1) Remove the oil pan and pick-up tube. Refer to
the procedure in this section.
(2) Remove the timing chain cover. Refer to the
procedure in this section.
(3) Remove the timing chains and tensioners.
Refer to Timing Chain and Sprockets in this section.
(4) Remove the four bolts, primary timing chain
tensioner and the oil pump.
INSTALLATION
(1) Position the oil pump onto the crankshaft and
install two oil pump retaining bolts.
(2) Position the primary timing chain tensioner
and install the two retaining bolts.
(3) Tighten the oil pump and primary timing chain
tensioner retaining bolts to 28 N·m (250 in. lbs.) in
the sequence shown (Fig. 124).
(4) Install the secondary timing chain tensioners
and timing chains.
(5) Install the timing chain cover.
(6) Install the pick-up tube and oil pan.
Fig. 119 Cutting Aplicator to Achieve 2.5mm (0.100
in.) Bead
1 – CUT HERE
Fig. 120 Cylinder Block-to-Bedplate Sealent Bead
Location
1 – CYLINDER BLOCK
2 – SEALANT BEAD LOCATION
DN 4.7L ENGINE 9 - 69
REMOVAL AND INSTALLATION (Continued)