Jeep Liberty KJ. Manual — part 876
44. Support the transmission with a suitable jack.
45. Connect a suitable engine hoist to the engine lift plate.
46.
Remove engine from vehicle.
INSTALLATION
1. Position the engine in the vehicle.
2. Install both left and right side engine mounts onto engine.
3. Raise the vehicle.
4. Install the transmission bellhousing to engine mounting bolts. Tighten the bolts to 41 N·m (30ft. lbs.).
5. Tighten the engine mount thru bolts.
6. Install the torque convertor bolts.
7. Connect the ground straps on the left and right side of the engine.
8. Install the starter.
9. Connect the crankshaft position sensor.
10. Install the engine block heater power cable, if equipped.
CAUTION: The structural cover requires a specific torque sequence. Failure to follow this sequence may
cause severe damage to the cover.
11. Install the structural cover.
NOTE: New clamps must be used on exhaust manifold flanges. Failure to use new clamps may result in
exhaust leaks.
12. Install the left and right exhaust pipes.
13. Connect the left and right oxygen sensors.
14. Lower vehicle.
15. Remove the engine lift plate.
16. Connect the knock sensors.
17. Connect the engine to body ground straps at the left side of the cowl.
18. Install the intake manifold.
19. Install the engine oil dipstick tube.
20. Install the power brake booster vacuum hose.
21. Install the breather hoses.
22. Install the PCV hose.
23. Install the fuel rail.
24. Install the coil over plugs.
25. Connect the engine wiring harness at the following points:
•
Intake air temperature (IAT) sensor
•
Fuel Injectors
•
Throttle Position (TPS) Switch
•
Idle Air Control (IAC) Motor
•
Engine Oil Pressure Switch
•
Engine Coolant Temperature (ECT) Sensor
•
Manifold Absolute Pressure MAP) Sensor
•
Camshaft Position (CMP) Sensor
•
Coil Over Plugs
•
Crankshaft Position Sensor
26. Connect lower radiator hose.
27. Connect upper radiator hose.
28. Connect throttle and speed control cables.
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ENGINE - 3.7L
KJ
29. Install the heater hose assembly.
30. Install coolant recovery bottle.
31. Install the power steering pump.
32. Install the generator.
33. Install the A/C compressor.
34. Install the drive belt.
35. Install the mechanical cooling fan.
36. Install the fan shroud with the electric fan assembly.
37. Install the radiator core support bracket.
38. Install the air cleaner assembly.
39. Refill the engine cooling system.
40. Install the hood.
41. Check and fill engine oil.
42. Connect the battery negative cable.
43. Start the engine and check for leaks.
SPECIFICATIONS
TORQUE
DESCRIPTION
N·m
Ft.
In.
Lbs.
Lbs.
Camshaft
Non - Oiled Sprocket Bolt
122
90
—
Bearing Cap Bolts
11
—
100
Counterbalance shaft retaining bolt
28
—
250
Timing Chain Cover—Bolts
58
43
—
Connecting Rod Cap—Bolts
27
20
—
PLUS 90° TURN
Bed Plate—Bolts
Refer to Procedure
Crankshaft Damper—Bolt
175
130
—
Cylinder Head—Bolts
M11 Bolts
Refer To Procedure
M8 Bolts
Refer To Procedure
Cylinder Head Cover—Bolts
12
—
105
Exhaust Manifold—Bolts
25
18
—
Exhaust Manifold Heat Shield—Nuts
8
—
72
Then loosen 45°
Flexplate—Bolts
95
70
—
Engine Mount Bracket to Block—Bolts
61
45
—
Rear Mount to Transmission—Bolts
46
34
—
Generator Mounting—Bolts
M10 Bolts
54
40
—
M8 Bolts
28
—
250
Intake Manifold—Bolts
12
—
105
Refer to Procedure for
KJ
ENGINE - 3.7L
9 - 1463
DESCRIPTION
N·m
Ft.
In.
Lbs.
Lbs.
Tightening Sequence
Oil Pan—Bolts
15
—
130
Oil Pan—Drain Plug
34
25
—
Oil Pump—Bolts
28
—
250
Oil Pump Cover—Bolts
12
—
105
Oil Pickup Tube—Bolt and Nut
28
—
250
Oil Dipstick Tube to Engine
Block—Bolt
15
—
130
Oil Fill Tube—Bolts
12
—
105
Timing Chain Guide—Bolts
28
—
250
Timing Chain Tensioner Arm—Bolt
28
—
250
Hydraulic Tensioner—Bolts
28
—
250
Timing Chain Primary Tensioner—Bolts
28
—
250
Timing Drive Idler Sprocket—Bolt
34
25
—
Thermostat Housing—Bolts
12
—
105
Water Pump—Bolts
58
43
—
SPECIFICATIONS - 3.7L ENGINE
GENERAL SPECIFICATIONS
DESCRIPTION
SPECIFICATION
Type
90° SOHC V6 12 Valve
Number of Cylinders
6
Firing Order
1-6-5-4-3-2
Lead Cylinder
No. 1 Left Bank
Compression Ratio
9.6:1
Max. Variation Between Cylinders
25%
Metric
Standard
Displacement
3.7 Liters
226 Cubic Inches
Bore
93.0 mm
3.66 in.
Stroke
90.8 mm
3.40 in.
Horsepower
211 @ 5200 RPM
Torque
236ft. lbs.@4000 PRM
Compression Pressure
1172-1551 kPa
170-225 psi
CYLINDER BLOCK
DESCRIPTION
SPECIFICATION
Metric
Standard
Bore Diameter
93.013 ± .0075 mm
3.6619 ± 0.0003 in.
Out of Round (MAX)
0.076 mm
0.003 in.
Taper (MAX)
0.051 mm
0.002 in.
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ENGINE - 3.7L
KJ
PISTONS
DESCRIPTION
SPECIFICATION
Metric
Standard
Diameter
92.975 mm
3.6605 in.
Weight
365.0 grams
12.87 oz
Ring Groove Diameter
No. 1
85.37 - 83.13 mm
3.282 - 3.273 in
No. 2
82.833 - 83.033 mm
3.261 - 3.310 in.
No. 3
83.88 - 84.08 mm
3.302 - 3.310 in.
PISTON PINS
DESCRIPTION
SPECIFICATION
Metric
Standard
Clearance In Piston
0.006 - 0.015 mm
0.0002 - 0.0005 in.
Diameter
24.017 - 24.020 mm
0.9455 - 0.9456 in.
PISTON RINGS
DESCRIPTION
SPECIFICATION
Metric
Standard
Ring Gap
Top Compression Ring
0.20 - 0.36 mm
0.0079 - 0.0142 in.
Second Compression Ring
0.37 - 0.63 mm
0.0146 - 0.0249 in.
Oil Control (Steel Rails)
0.25 - 0.76 mm
0.0099 - 0.30 in.
Side Clearance
Top Compression Ring
.051 - .094 mm
0.0020 - 0.0037 in.
Second Compression Ring
0.040 - 0.080 mm
0.0016 - 0.0031 in.
Oil Ring (Steel Ring)
.019 - .229 mm
.0007 - .0091 in.
Ring Width
Top Compression Ring
1.472 - 1.490 mm
0.057 - 0.058 in.
Second Compression Ring
1.472 - 1.490 mm
0.057 - 0.058 in.
Oil Ring (Steel Rails)
0.445 - 0.470 mm
0.017 - 0.018 in.
CONNECTING RODS
DESCRIPTION
SPECIFICATION
Metric
Standard
Bearing Clearance
0.006 - 0.044 mm
0.0002 - 0.0017 in.
Side Clearance
0.10 - 0.35 mm
0.004 - 0.0138 in.
Piston Pin Clearance
.015 - .028 mm
0.0006 - 0.0011 in.
Bearing Bore Out of Round (MAX)
0.004 mm
0.0002 in.
Total Weight (Less Bearing)
612 grams
21.588 ounces
KJ
ENGINE - 3.7L
9 - 1465
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