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Dodge Ram 2004 1500 4.7 Engine Specifications, wear limits,torque

Resolved Question:

Dodge Ram 2004 1500 4.7 Engine Specifications, wear limits,torque specs. for a complete overhaul.
Submitted: 5 years ago.
Category: Dodge
Expert:  vipertech763 replied 5 years ago.

Good morning, here is the information you requested:

 

SPECIFICATIONS - 4.7L ENGINE

GENERAL DESCRIPTION

DESCRIPTION SPECIFICATION
Engine Type 90° SOHC V-8 16-Valve
Displacement 4.7 Liters / 4701 cc
287 ( Cubic Inches)
Bore 93.0 mm (3.66 in.)
Stroke 86.5 mm (3.40 in.)
Compression Ratio 9.0:1
Horsepower 235 BHP @ 4800 RPM
Torque 295 LB-FT @ 3200 RPM
Lead Cylinder #1 Left Bank
Firing Order 1-8-4-3-6-5-7-2

CYLINDER BLOCK

DESCRIPTION SPECIFICATION
Metric Standard
Bore Diameter 93.010 ± .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 366 grams 12.9 oz
Ring Groove Diameter
No. 1 83.37 - 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 0.010 - 0.019 mm 0.0004 - 0.0008 in.
Diameter 24.013 - 24.016 mm 0.9454 - 0.9455 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 0.015 - 0.055 mm 0.0006 - 0.0022 in.
Side Clearance 0.10 - 0.35 mm 0.004 - 0.0138 in.
Piston Pin Bore Diameter .025 - .048 mm
(Interference Fit) 0.001 - 0.0019 in.
Bearing Bore Out of Round (MAX) 0.004 mm 0.0002 in.
Total Weight (Less Bearing) 555 grams 19.5771 ounces

CRANKSHAFT

DESCRIPTION SPECIFICATION
Metric Standard
Main Bearing Journal Diameter 63.488 - 63.512 mm 2.4996 - 2.5005 in.
Bearing Clearance 0.018 - 0.052 mm 0.0008 - 0.0021 in.
Out of Round (MAX) 0.005 mm 0.0004 in.
Taper (MAX) 0.008 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 50.992 - 51.008 mm 2.0076 - 2.0082 in.
Bearing Clearance 0.015 - 0.055 0.0006 - 0.0022 in.
Out of Round (MAX) 0.005 mm 0.0002 in.
Taper (MAX) 0.008 mm 0.0004 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.
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) 4.4°
Closes (ATDC) 239.1°
Duration 243.5°
Exhaust
Opens (BTDC) 240.5°
Closes (ATDC) 13.2°
Duration 253.70°
Valve Overlap 17.6°

VALVES

DESCRIPTION SPECIFICATION
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)
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 11.25 mm (0.443 in.)
Exhaust 10.90 mm (0.4292 in.)

VALVE SPRING

DESCRIPTION SPECIFICATION
Free Length (Approx)
Intake 49.0 mm (1.9291 in.)
Exhaust 49.0 mm (1.9291 in.)
Spring Force (Valve Closed)
Intake and Exhaust 313.0 - 354.0 N @ 40.12 mm (70.365 - 79.582 lbs. @ 1.5795 in.)
Spring Force (Valve Open)
Intake and Exhaust 776.0 - 870.0 N @ 28.88 mm (174.451 - 195.583 lbs. @ 1.137 in.)
Number of Coils
Intake 7.3
Exhaust 7.3
Wire Diameter
Intake and Exhaust 4.6 × 3.67mm
(0.1811 - 0.1445 in.)
Installed Height (Spring Seat to Bottom of Retainer)
Nominal
Intake 40.12 mm (1.579 in.)
Exhaust 40.12 mm (1.579 in.)

CYLINDER HEAD

DESCRIPTION SPECIFICATION
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.)
Valve Seat Width
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
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
At Curb Idle Speed (MIN)* 48 kPa (7 psi)
@ 3000 rpm 240 - 725 kPa (35 - 105 psi)
* CAUTION: If pressure is zero at curb idle, DO NOT run engine at 3000 rpm.

 

 

TORQUE

DESCRIPTION N·m Ft. In.
Lbs. Lbs.
Camshaft
Non - Oiled Sprocket Bolt 122 90 -
Bearing Cap Bolts 11 - 100
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 81 60 -
M8 Bolts 26 19 -
Cylinder Head Cover-Bolts 12 - 105
Exhaust Manifold-Bolts 25 18 -
Exhaust Manifold Heat Shield-Nuts 8 - 72
Then loosen 45°
Flexplate-Bolts 60 45 -
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
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-Special
Pin Bolt 17 - 150
Hydraulic Tensioner-Bolts 28 - 250
Timing Chain Primary Tensioner-Bolts 28 - 250
Timing Drive Idler Sprocket-Bolt 34 25 -
Thermostat Housing-Bolts 13 - 115
Water Pump-Bolts 58 43 -

 

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Expert:  vipertech763 replied 5 years ago.

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vipertech763, automotive technician
Category: Dodge
Satisfied Customers: 1780
Experience: gold certified, dodge viper certified
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