Content .. 874 875 876 877 ..

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

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.

Camshaft

Non - Oiled Sprocket Bolt

122

—

Bearing Cap Bolts

—

100

Counterbalance shaft retaining bolt

—

250

Timing Chain Cover—Bolts

—

Connecting Rod Cap—Bolts

—

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

—

105

Exhaust Manifold—Bolts

—

Exhaust Manifold Heat Shield—Nuts

—

Then loosen 45°

Flexplate—Bolts

—

Engine Mount Bracket to Block—Bolts

—

Rear Mount to Transmission—Bolts

—

Generator Mounting—Bolts

M10 Bolts

—

M8 Bolts

—

250

Intake Manifold—Bolts

—

105

Refer to Procedure for

ENGINE - 3.7L

9 - 1463

DESCRIPTION

N·m

Ft.

In.

Lbs.

Tightening Sequence

Oil Pan—Bolts

—

130

Oil Pan—Drain Plug

—

Oil Pump—Bolts

—

250

Oil Pump Cover—Bolts

—

105

Oil Pickup Tube—Bolt and Nut

—

250

Oil Dipstick Tube to Engine

Block—Bolt

—

130

Oil Fill Tube—Bolts

—

105

Timing Chain Guide—Bolts

—

250

Timing Chain Tensioner Arm—Bolt

—

250

Hydraulic Tensioner—Bolts

—

250

Timing Chain Primary Tensioner—Bolts

—

250

Timing Drive Idler Sprocket—Bolt

—

Thermostat Housing—Bolts

—

105

Water Pump—Bolts

—

SPECIFICATIONS - 3.7L ENGINE

GENERAL SPECIFICATIONS

DESCRIPTION

SPECIFICATION

Type

90° SOHC V6 12 Valve

Number of Cylinders

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.

9 - 1464

ENGINE - 3.7L

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

ENGINE - 3.7L

9 - 1465

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