DODGE RAM SRT-10 2006 Service Repair Manual

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 Nꞏm (30ft.
lbs.).
5. Tighten the engine mount thru bolts.
6. Install the torque convertor bolts.
7. Connect the ground straps on the left (2) and right
(3)side of the engine.

8. Install the starter (4).
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 man-
ifold 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 follow-
ing points :
Intake air temperature (IAT) sensor (4)
Fuel Injectors
Throttle Position (TPS) Switch (2)
Idle Air Control (IAC) Motor (3)
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. Reinstall the radiator/cooling module assembly.
27. Connect lower radiator hose.
28. Connect upper radiator hose.
29. Connect throttle and speed control cables.
30. Install the heater hose assembly.
31. Install coolant recovery bottle.
32. Install the power steering pump.
33. Install the generator (3).

34. Install the A/C compressor (2).
35. Install the drive belt.
36. Install the fan shroud with the viscous fan assem-
bly.
37. Install the radiator core support bracket.
38. Install the air cleaner assembly.
39. Refill the engine cooling system.
40. Recharge the air conditioning.
41. Check and fill engine oil.
42. Connect the battery negative cable.
43. Start the engine and check for leaks.
SPECIFICATIONS
SPECIFICATIONS - 3.7L ENGINE
GENERAL SPECIFICATIONS
DESCRIPTION SPECIFICATION
Type 90°SOHCV612Valve
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.
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.
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.
BearingClearance(MAX) 0.065mm 0.0026in.
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°
VA LV E S
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.
VALVE SPRING
DESCRIPTION SPECIFICATION
Metric Standard
Free Length (Approx)
Intake 48.18 mm 1.896 in.
Exhaust - w/damper 48.2 mm 1.897 in.
Spring Force (Valve Closed)
Intake 332.0 - 368.0 N @ 40.12 mm 74.63 - 82.72 lbs. @ 1.5795 in.
Exhaust - (without damper) 356 - 394 N @ 39.12 mm 80.031 - 88.57 lbs. @ 1.54 in.
Spring Force (Valve Open)
Intake 948.0 - 1038.0 N @ 28.12 mm 213.2 - 233.8 lbs. @ 1.107 in.
Exhaust - without damper 974 - 956 N @ 27.12 mm 218.8 - 215.1 lbs. @ 1.067 in.
Number of Coils
Intake 7.30
Exhaust 7.15
Wire Diameter
Intake 4.77 × 3.80mm 0.1878 × 0.1496 in.
Exhaust 4.66 × 3.72mm 0.1843 × .1464 in.
Installed Height (Spring Seat to
Bottom of Retainer)
Nominal
Intake 40.12 mm 1.579 in.
Exhaust - w/damper 40.12 mm 1.579 in.

CYLINDER HEAD
DESCRIPTION SPECIFICATION
Metric Standard
Gasket Thickness (Compressed) 0.7 mm (0.0276 in.)
Valve Seat Angle 44.5° - 45.0°
Valve Seat Runout (MAX) 0.051 mm 0.002 in.
Va l v e S e a t W i d t h
Intake 1.75 - 2.36 mm 0.0698 - 0.0928 in.
Exhaust 1.71 - 2.32 mm 0.0673 - 0.0911 in.
Guide Bore Diameter (Std.) 6.975 - 7.00 mm 0.2747 - 0.2756 in.
Cylinder Head Warpage (Flatness) 0.0508 mm 0.002 in.
OIL PUMP
DESCRIPTION SPECIFICATION
Metric Standard
Clearance Over Rotors/End Face
(MAX)0.095 mm 0.0038 in.
Cover Out - of -Flat (MAX) 0.025 mm 0.001 in.
Inner and Outer Rotor Thickness 12.02 mm 0.4731 in.
Outer Rotor to pocket (Diametral)
clearance (MAX).235 mm .0093 in.
Outer Rotor Diameter (MIN) 85.925 mm 0.400 in.
Tip Clearance Between Rotors
(MAX)0.150 mm 0.006 in.
OIL PRESSURE
SPECIFICATION SPECIFICATION
Metric Standard
At Curb Idle Speed (MIN)* 25 kPa 4 psi
@ 3000 rpm 170 - 758 kPa 25 - 110 psi
* CAUTION: If pressure is zero at curb idle, DO NOT run engine at 3000 rpm.
TORQUE
DESCRIPTION Nꞏm Ft. Lbs. In. Lbs.
Bolt - Camshaft
Non - Oiled Sprocket Bolt 122 90 -
Bearing Cap Bolts 11 - 100
Bolt - Counterbalance shaft retaining 28 - 250
Bolts - Timing Chain Cover 58 43 -
Bolts - Connecting Rod Cap 27 20 -
PLUS 90° TURN
Bolts - Bed Plate Refer to Procedure
Bolt - Crankshaft Damper 175 130 -

DESCRIPTION Nꞏm Ft. Lbs. In. Lbs.
Bolts - Cylinder Head
M11 Bolts Refer To Procedure
M8 Bolts Refer To Procedure
Bolts - Cylinder Head Cover 12 - 105
Bolts - Exhaust Manifold 25 18 -
Nuts - Exhaust Manifold Heat Shield 8 - 72
Then loosen 45°
Bolts - Flexplate 95 70 -
Bolts - Engine Mount Bracket to Block 61 45 -
Bolts - Rear Mount to Transmission 46 34 -
Bolts - Generator Mounting
M10 Bolts 54 40 -
M8 Bolts 28 - 250
Bolts - Intake Manifold 12 - 105
Refer to Procedure for Tightening Sequence
Bolts - Oil Pan 15 - 130
Plug - Oil Pan-Drain 34 25 -
Bolts - Oil Pump 28 - 250
Bolts - Oil Pump Cover 12 - 105
Bolt and Nut - Oil Pickup Tube 28 - 250
Bolt - Oil Dipstick Tube to Engine Block 15 - 130
Bolts - Oil Fill Tube 12 - 105
Bolts - Timing Chain Guide 28 - 250
Timing Chain Tensioner Arm 28 - 250
Bolts - Hydraulic Tensioner 28 - 250
Bolts - Timing Chain Primary Tensioner 28 - 250
Bolt - Timing Drive Idler Sprocket 34 25 -
Bolts - Thermostat Housing 12 - 105
Bolts - Water Pump 58 43 -