Jeep Cherokee 2000 Service Manual - page 808
DESCRIPTION
SPECIFICATION
Piston Ring Groove
Diameter
No.1 Compression Ring
88.39 to 88.65 mm
(3.48 to 3.49 in.)
No.2 Compression Ring
87.63 to 87.88 mm
(3.45 to 3.46 in.)
Oil Control Ring
89.66 to 89.92 mm
(3.53 to 3.54 in.)
Piston Pin Bore Diameter
23.650 to 23.658 mm
(0.9312 to 0.9315 in.)
Piston Pin Diameter
23.637 to 23.640 mm
(0.9306 to 0.9307 in.)
Piston-to-Pin Clearance
0.0102 to 0.0208 mm
(0.0005 to 0.0009 in.)
Piston-to-Pin Connecting
Rod (Press Fit)
8.9 kN (2000 lbf.)
OIL PUMP
Gear-to-Body Clearance
0.051 to 0.102 mm
(Radial)
(0.002 to 0.004 in.)
Gear-to-Body Clearance
(Radial) Preferred
0.051 mm (0.002 in.)
Gear End Clearance
0.051 to 0.152 mm
Plastigage
(0.002 to 0.006 in.)
Gear End Clearance
Plastigage (Preferred)
0.051 mm (0.002 in.)
Gear End Clearance
0.1016 to 0.2032 mm
Feeler Gauge
(0.004 to 0.008 in.)
Gear End Clearance
Feeler Gauge (Preferred)
0.1778 mm (0.007 in.)
Oil Pressure
At Idle Speed
89.6 kPa (13 psi)
At 1600 rpm & Higher
255 to 517 kPa
(37 to 75 psi)
Oil Pressure Relief
517 kPa (75 psi)
TORQUE SPECIFICATIONS
4.0L ENGINE
DESCRIPTION
N·m
Ft.
In.
Lbs.
Lbs.
A/C Compressor—Bolts
28
—
250
Block Heater—Nut
2
—
16
Camshaft Sprocket—Bolt
68
50
—
Camshaft Thrust Plate to
Cylinder Block—Screws
24
18
—
Clutch Cover to Flywheel—
Bolts
54
40
—
Coil Bracket to Block—Bolts
22
—
192
Connecting Rod—Nuts
45
33
—
Cylinder Block—Drain Plugs
34
25
—
Cylinder Head—Bolts
135
100
—
Cylinder Head Cover—Bolts
10
—
85
Distributor Clamp—Bolts
23
—
204
Engine Mounts—Front
Support Bracket Bolts
61
45
—
Support Cushion Bolts/Nuts
41
30
—
Support Cushion Bracket
Bolts
54
40
—
Support Cushion Bracket Stud
Nuts
41
30
—
Support Cushion Thru-Bolt
65
48
—
Engine Mounts—Rear
Crossmember to Sill Bolts—
(Automatic)
41
30
—
Insulator Stud Assembly—Nut
41
30
—
Support Cushion/
Crossmember—
Nuts
22
—
192
Support Cushion/Bracket—
Nuts
(Manual)
75
55
—
Transmission Support
Bracket—Bolt
(Manual)
46
34
—
Transmission Support Bracket/
Cushion—Bolt (4WD Auto)
75
55
—
Transmission Support Adaptor
Bracket—Bolts (2WD Auto)
75
55
—
Exhaust Manifold/Pipe—Nuts
27
20
—
9 - 118
4.0L ENGINE
XJ
SPECIFICATIONS (Continued)