Dodge Dakota (ND). Manual - part 812

25. Reinstall the radiator/cooling module assembly.

26. Connect lower radiator hose.

27. Connect upper radiator hose.

28. Connect throttle and speed control cables.

29. Install the heater hose assembly.

30. Install coolant recovery bottle.

31. Install the power steering pump.

32. Install the generator (3).

33. Install the A/C compressor (2).

34. Install the drive belt.

35. Install the fan shroud with the viscous fan assem-

bly.

36. Install the radiator core support bracket.

37. Recharge the A/C system (Refer to 24 - HEATING

& AIR CONDITIONING/PLUMBING/REFRIGER-
ANT - STANDARD PROCEDURE).

38. Install the air cleaner assembly.

39. Refill the engine cooling system.

40. Check and fill engine oil.

41. Connect the battery negative cable.

42. Start the engine and check for leaks.

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ENGINE - 3.7L SERVICE INFORMATION

ND

SPECIFICATIONS

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.

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.

ND

ENGINE - 3.7L SERVICE INFORMATION

9 - 787

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

CRANKSHAFT

DESCRIPTION

SPECIFICATION

Metric

Standard

Main Bearing Journal Diameter

63.488 - 63.512 mm

2.4996 - 2.5005 in.

Bearing Clearance

0.002 - 0.046 mm

0.00008 - 0.0018 in.

Out of Round (MAX)

0.005 mm

0.0002 in.

Taper (MAX)

0.006 mm

0.0004 in.

End Play

0.052 - 0.282 mm

0.0021 - 0.0112 in.

End Play (MAX)

0.282 mm

0.0112 in.

Connecting Rod Journal Diameter

57.908 - 57.892 mm

2.2798 - 2.2792 in.

Bearing Clearance

0.006 - 0.044

0.0002 - 0.0011 in.

Out of Round (MAX)

0.005 mm

0.0002 in.

Taper (MAX)

0.006 mm

0.0002 in.

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ENGINE - 3.7L SERVICE INFORMATION

ND

CAMSHAFT

DESCRIPTION

SPECIFICATION

Metric

Standard

Bore Diameter

26.02 - 26.04 mm

1.0245 - 1.0252 in.

Bearing Journal Diameter

25.975 - 25.995 mm

1.0227 - 1.0235 in.

Bearing Clearance

0.025 - 0.065 mm

0.001 - 0.0026 in.

Bearing Clearance (MAX)

0.065 mm

0.0026 in.

End Play

.075 - .200 mm

0.003 - 0.0079 in.

End Play (MAX)

.200 mm

0.0079 in.

VALVE TIMING

DESCRIPTION

SPECIFICATION

Intake

Opens (BTDC)

5.6°

Closes (ATDC)

240.1°

Duration

245.7°

Exhaust

Opens (BTDC)

241.5°

Closes (ATDC)

20.1°

Duration

261.6°

Valve Overlap

25.7°

VALVES

DESCRIPTION

SPECIFICATION

Metric

Standard

Face Angle

45° - 45.5°

Head Diameter

Intake

48.52 - 48.78 mm

1.9103 - 1.9205 in.

Exhaust

36.87 - 37.13 mm

1.4516 - 1.4618 in.

Length (Overall)

Intake

113.45 - 114.21 mm

4.4666 - 4.4965 in.

Exhaust

114.92 - 115.68 mm

4.5244 - 4.5543 in.

Stem Diameter

Intake

6.931 - 6.957 mm

0.2729 - 0.2739 in.

Exhaust

6.902 - 6.928 mm

0.2717 - 0.2728 in.

Stem-to-Guide Clearance

Intake

0.018 - 0.069 mm

0.0008 - 0.0028 in.

Exhaust

0.047 - 0.098 mm

0.0019 - 0.0039 in.

Max. Allowable Stem-to-Guide
Clearance (Rocking Method)

Intake

0.069 mm

0.0028 in.

Exhaust

0.098 mm

0.0039 in.

Valve Lift (Zero Lash)

Intake

12.00 mm

0.472 in.

Exhaust

12.00 mm

0.472 in.

ND

ENGINE - 3.7L SERVICE INFORMATION

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