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
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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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