Jeep Grand Cherokee WK. Manual — part 1214
21. Install the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
22. Install the radiator fan shroud (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - INSTALLATION).
23. Connect the radiator lower hose.
24. Connect the transmission oil cooler lines to the
radiator.
25. Connect the radiator upper hose.
26. Install the air cleaner resonator and duct work..
27. Add engine oil to crankcase (Refer to LUBRICA-
TION & MAINTENANCE/FLUID TYPES - SPECI-
FICATIONS).
28. Fill cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
29. Install the engine cover (1).
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ENGINE - 5.7L SERVICE INFORMATION
WK
30. Install the strut tower support (1).
31. Connect battery negative cable.
32. Start engine and inspect for leaks.
33. Road test vehicle.
SPECIFICATIONS
5.7L ENGINE
GENERAL DESCRIPTION
DESCRIPTION
SPECIFICATION
Engine Type
90° V-8 OHV
Displacement
5.7 Liters
345 ( Cubic Inches)
Bore
99.5 mm (3.91 in.)
Stroke
90.9 mm (3.58 in.)
Compression Ratio
9.6:1
Firing Order
1-8-4-3-6-5-7-2
Lubrication
Pressure Feed - Full Flow
Filtration
Cooling System
Liquid Cooled - Forced
Circulation
Cylinder Block
Cast Iron
Cylinder Head
Aluminum
Crankshaft
Nodular Iron
Camshaft
Hollow Assembled Camshaft
Pistons
Aluminum Alloy
Connecting Rods
Powdered Metal
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ENGINE - 5.7L SERVICE INFORMATION
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CYLINDER BLOCK
DESCRIPTION
SPECIFICATION
Metric
Standard
Cylinder Bore Diameter
99.50 mm
3.917 in.
Out of Round (MAX)
0.0076 mm
0003 in.
Taper (MAX)
0.0127 mm
0.0005 in.
Lifter Bore Diameter
21.45 - 21.425 mm
0.8444 - 0.8435 in.
PISTONS
DESCRIPTION
SPECIFICATION
Metric
Standard
Clearance
0.0215 - 0.0485 mm
0.0008 - 0.0019 in.
Measured at 38.0 mm ( 1.5 in.)
Below Deck
Ring Groove Diameter
Groove #1
89.6 - 89.8 mm
3.527 - 3.535 in.
Groove #2
88.1 - 88.3 mm
3.468 - 3.476 in.
Weight
413 grams
14.56 oz
Piston Length
54.70 - 55.30
2.153 - 2.177 in.
Ring Groove Width
No. 1
1.51 - 1.54 mm
0.0594 - 0.0606 in
No. 2
1.51 - 1.53 mm
0.0594 - 0.0602 in.
No. 3
3.030 - 3.055 mm
0.1192 - 0.1202 in.
PISTON PINS
DESCRIPTION
SPECIFICATION
Metric
Standard
Clearance In Piston
0.009 - 0.018 mm
0.00035 - 0.0007 in.
Diameter
24.0 - 24.003 mm
0.9448 - 0.9449 in.
Length
70.53 - 71.03 mm
2.78 - 2.80 in.
PISTON RINGS
DESCRIPTION
SPECIFICATION
Metric
Standard
Ring Gap
Top Compression Ring
0.23 - 0.38 mm
0.0090 - 0.0149 in.
Second Compression Ring
0.35 - 0.60 mm
0.0137 - 0.0236 in.
Oil Control (Steel Rails)
0.15 - 0.66 mm
0.0059 - 0.0259 in.
Side Clearance
Top Compression Ring
.02 - .068 mm
0.0007 - 0.0026 in.
Second Compression Ring
0.02 - 0.058 mm
0.0007 - 0.0022 in.
Oil Ring (Steel Ring)
.019 - .229 mm
.0007 - .0091 in.
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ENGINE - 5.7L SERVICE INFORMATION
WK
Ring Width
Top Compression Ring
1.472 - 1.490 mm
0.0579 - 0.0586 in.
Second Compression Ring
1.472 - 1.490 mm
0.0579 - 0.0586 in.
Oil Ring (Steel Rails)
0.447 - 0.473 mm
0.0175 - 0.0186 in.
CONNECTING RODS
DESCRIPTION
SPECIFICATION
Metric
Standard
Piston Pin Bore Diameter
23.955 - 23.975 mm
0.9431 - 0.9438 in.
Side Clearance
0.10 - 0.35 mm
0.003 - 0.0137 in.
CRANKSHAFT
DESCRIPTION
SPECIFICATION
Metric
Standard
Main Bearing Journal Diameter
64.988 - 65.012 mm
2.5585 - 2.5595 in.
Bearing Clearance
0.023 - 0.051 mm
0.0009 - 0.002 in.
Out of Round (MAX)
0.005 mm
0.0002 in.
Taper (MAX)
0.003 mm
0.0001 in.
End Play
0.052 - 0.282 mm
0.002 - 0.011 in.
End Play (MAX)
0.282 mm
0.011 in.
Connecting Rod Journal Diameter
53.992 - 54.008 mm
2.125 - 2.126 in.
Bearing Clearance
0.020 - 0.060 mm
0.0007 - 0.0023 in.
Out of Round (MAX)
0.005 mm
0.0002 in.
Taper (MAX)
0.003 mm
0.0001 in.
CAMSHAFT
DESCRIPTION
SPECIFICATION
Metric
Standard
Bearing Journal Diameter
No. 1
58.2 mm
2.29 in.
No. 2
57.8 mm
2.27 in.
No. 3
57.4 mm
2.26 in.
No. 4
57.0 mm
2.24 in.
No. 5
43.633 mm
1.72 in.
Bearing To Journal Clearance
Standard
No. 1
0.040 - 0.080 mm
.0015 - .003 in.
No. 2
0.050 -0.090 mm
0.0019 - .0035 in.
No. 3
0.040 - 0.080 mm
.0015 - .003 in.
No. 4
0.050 - 0.090 mm
0.0019 - .0035 in.
No. 5
0.040 - 0.080 mm
.0015 - .003 in.
Camshaft End Play
.080 - 0.290mm
0.0031 - 0.0114 in.
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ENGINE - 5.7L SERVICE INFORMATION
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