Jeep Cherokee 2000 Service Manual - page 1090
SPECIFICATIONS
SPECIFICATIONS
4.0L ENGINE
DESCRIPTION
SPECIFICATION
Engine Type
In-line 6 Cylinder
Bore and Stroke
98.4 x 86.69 mm
(3.88 x 3.413 in.)
Displacement
4.0L (242 cu. in.)
Compression Ratio
8.8:1
Firing Order
1–5–3–6–2–4
Lubrication
Pressure Feed–Full Flow
Filtration
Cooling System
Liquid Cooled–Forced
Circulation
Cylinder Block
Cast Iron
Crankshaft
Cast Nodular Iron
Cylinder Head
Cast Iron
Camshaft
Cast Iron
Pistons
Aluminum Alloy
Combustion Chamber
Dual-Quench
Connecting Rods
Cast Malleable Iron
CAMSHAFT
Hydraulic Tappet
Clearance
Zero Lash
Bearing Clearance
0.025 to 0.076 mm
(0.001 to 0.003 in.)
Bearing Journal Diameter
No. 1
51.54 to 51.56 mm
(2.029 to 2.030 in.)
No. 2
51.28 to 51.31 mm
(2.019 to 2.020 in.)
No. 3
51.03 to 51.05 mm
(2.009 to 2.010 in.)
No. 4
50.78 to 50.80 mm
(1.999 to 2.000 in.)
DESCRIPTION
SPECIFICATION
Base Circle Runout
(MAX)
0.03 mm
(0.001 in.)
Valve Lift
Intake
10.350 mm (0.4075 in.)
Exhaust
10.528 mm (0.4145 in.)
Valve Timing
Intake
Opens
12.4° BTDC
Closes
60.9° ABDC
Exhaust
Opens
49.8 BBDC
Closes
29.2° ATDC
Valve Overlap
41.6°
Intake Duration
253.3°
Exhaust Duration
259.°
CRANKSHAFT
End Play
0.038 to 0.165 mm
(0.0015 to 0.0065 in.)
Main Bearing Journal
Diameter
No. 1-6
63.489 to 63.502 mm
(2.4996 to 2.5001 in.)
No. 7
63.449 to 63.487 mm
(2.4980 to 2.4995 in.)
Main Bearing Journal
Width
No. 1
27.58 to 27.89 mm
(1.086 to 1.098 in.)
No. 3
32.28 to 32.33 mm
(1.271 to 1.273 in.)
No. 2-4-5-6-7
30.02 to 30.18 mm
(1.182 to 1.188 in.)
Main Bearing Clearance
0.03 to 0.06 mm
(0.001 to 0.0025 in.)
Preferred
0.051 mm (0.002 in.)
XJ
4.0L ENGINE
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