9 - 76
ENGINE 3.9L
ENGINE 3.9L (Continued)
DESCRIPTION
Bolts (2wd)
Generator—Mounting
Bolt
Intake Manifold—Bolts
Oil Pan—Bolts
Oil Pan—Drain Plug
Oil Pump—Mounting
Bolts
Oil Pump Cover—Bolts
Rear Insulator to
Bracket—
Through-Bolt (2WD)
Rear Insulator to
Crossmember
Support Bracket—Nut
(2WD)
Rear Insulator to
Crossmember—Nuts
(4WD)
Rear Insulator to
Transmission
— Bolts (4WD)
Rear Insulator Bracket—
Bolts
(4WD Automatic)
Rear Support Bracket to
Crossmember Flange—
Nuts
Rear Support Plate to
Transfer
Case—Bolts
Rocker Arm—Bolts
Spark Plugs
Starter Motor—Mounting
Bolts
Thermostat Housing—
Bolts
Throttle Body—Bolts
Torque Converter Drive
Plate—
Bolts
Transfer Case to
Insulator
Mounting Plate—Nuts
N·m
In.
Ft.
41
—
30
Refer to Procedure
24
215
—
34
—
25
41
—
30
11
95
—
68
—
50
41
—
30
68
—
50
68
—
50
68
—
50
41
—
30
41
—
30
28
—
21
41
—
30
68
—
50
25
225
—
23
200
—
31
270
—
204
—
150
DESCRIPTION
Transmission Support
Bracket
—Bolts (2WD)
Vibration Damper—Bolt
Water Pump to Timing
Chain
Case Cover— Bolts
3.9L ENGINE
GENERAL DESCRIPTION
DESCRIPTION
Engine Type
Bore and Stroke
Displacement
Compression Ratio
Firing Order
Cylinder Compression
Pressure (Min.)
CAMSHAFT
Bearing Diameter (Inside)
No. 1
No. 2
No. 3
No. 4
Journal Diameter
No. 1
No. 2
No. 3
No. 4
AN
N·m
In.
Ft.
68
—
50
183
—
135
41
—
30
SPECIFICATION
90° V-6 OHV
99.3 x 84.0 mm
(3.91 x 3.31 in.)
3.9L (238 c.i.)
9.1:1
1–6–5–4–3–2
689.5 kPa
(100 psi)
50.800 - 50.825 mm
(2.000 - 2.001 in.)
50.394 - 50.825 mm
(1.984 - 1.985 in.)
49.606 - 49.632 mm
(1.953 - 1.954 in.)
39.688 - 39.713 mm
(1.5265 - 1.5653 in.)
50.749 - 50.775 mm
(1.998 - 1.999 in.)
50.343 - 50.368 mm
(1.982 - 1.983 in.)
49.555 - 49.581 mm
(1.951 - 1.952 in.)
39.637 - 39.662 mm
(1.5605 - 1.5615 in.)