RAM Vehicle Models Ram 4500 2008-2015
RAM Vehicle Models Ram 4500 2008-2015 Torque Specifications
Complete RAM Vehicle Models Ram 4500 2008-2015 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.
Updated
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
Prevention:
Always use a calibrated torque wrench and follow specifications exactly.
Incorrect Torque Sequence
Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.
Prevention:
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
Prevention:
Clean and inspect all threads before assembly. Use new thread locker if specified.
Reusing TTY Bolts
Torque-to-yield bolts are designed to stretch and must not be reused.
Prevention:
Always replace TTY bolts with new ones. They are single-use only.
Dry vs. Lubricated
Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.
Prevention:
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Range: 2-25 ft-lbs
Small fasteners, delicate components
Torque Wrench (3/8" Drive)
Range: 10-100 ft-lbs
Most common automotive fasteners
Torque Wrench (1/2" Drive)
Range: 30-250 ft-lbs
Large fasteners, wheels
Angle Gauge
Torque-to-yield (TTY) bolts
Torque Wrench Care
- Calibrate annually or after 5,000 clicks
- Store at lowest setting
- Keep clean and lubricated
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Torque Calculator
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6.7l I6 Diesel Engine
Torque specifications for 6.7L-I6-DIESEL Engine
6.7l I6 Diesel Engine
Torque specifications for 6.7L-I6-DIESEL Engine
Cylinder Head and Valvetrain
1 Cylinder Head Bolts
M14 x 2.0
1
Cylinder Head Bolts
M14 x 2.0
Torque Specification
22 ft-lbs (30 N·m)
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
105 inch-lbs (12 N·m)
Main Bearings and Crankshaft
1 Main Bearing Bolts
M20 x 2.5
1
Main Bearing Bolts
M20 x 2.5
Torque Specification
130 ft-lbs (176 N·m)
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Torque Specification
130 ft-lbs (176 N·m)
Connecting Rods and Pistons
1 Connecting Rod Nuts
M14 x 2.0
1
Connecting Rod Nuts
M14 x 2.0
Torque Specification
47 ft-lbs (64 N·m)
Flywheel and Clutch/Torque Converter
1 Flywheel Bolts
M16 x 2.0
1
Flywheel Bolts
M16 x 2.0
Torque Specification
85 ft-lbs (115 N·m)
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
115 inch-lbs (13 N·m)
2 Oil Filter Housing Bolt
M10 x 1.5
2
Oil Filter Housing Bolt
M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
3 Oil Drain Plug Bolt
M12 x 1.5
3
Oil Drain Plug Bolt
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Fuel System
1 Fuel Rail Bolts
M6 x 1.0
1
Fuel Rail Bolts
M6 x 1.0
Torque Specification
89 inch-lbs (10 N·m)
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
89 inch-lbs (10 N·m)
3 Fuel Pump Mounting Bolts
M8 x 1.25 (Estimated)
3
Fuel Pump Mounting Bolts
M8 x 1.25 (Estimated)
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated values based on similar components and bolt sizes.
Exhaust and Turbocharging
1 Exhaust Manifold/Headers Bolts
M10 x 1.5
1
Exhaust Manifold/Headers Bolts
M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
2 Turbocharger Mounting Bolts
M12 x 1.5 (Estimated)
2
Turbocharger Mounting Bolts
M12 x 1.5 (Estimated)
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated values based on similar components and bolt sizes.
3 Intercooler Mounting Bolts
M10 x 1.5 (Estimated)
3
Intercooler Mounting Bolts
M10 x 1.5 (Estimated)
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated values based on similar components and bolt sizes.
68rfe Transmission
Torque specifications for 68rfe Transmission
68rfe Transmission
Torque specifications for 68rfe Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M14 x 1.5
1
Transmission Mounting Bolts
M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Transmission Oil Pan
1 Transmission Oil Pan Bolts
M10 x 1.25
1
Transmission Oil Pan Bolts
M10 x 1.25
Torque Specification
115 in-lbs (13 N·m)
Important Notes
Note: The torque value is specified in inch-pounds, which is equivalent to 9.6 ft-lbs.
Transmission Fluid System
1 Transmission Drain and Fill Plugs
M12 x 1.5
1
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2 Transmission Fluid Drain/Fill Plug
M12 x 1.5
2
Transmission Fluid Drain/Fill Plug
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Transmission Case and Valve Body
1 68RFE Transmission Case Bolts
M14 x 1.5
1
68RFE Transmission Case Bolts
M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on industry standards.
2 68RFE Transmission Valve Body Bolts
M10 x 1.25
2
68RFE Transmission Valve Body Bolts
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on industry standards.
Transmission Filter and Cooler Lines
1 68RFE Transmission Filter Bolts
M8 x 1.25
1
68RFE Transmission Filter Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards.
2 68RFE Transmission Cooler Line Fittings
M12 x 1.5
2
68RFE Transmission Cooler Line Fittings
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on industry standards.
Body
Torque specifications for Body
Body
Torque specifications for Body
Fuel System
1 Fuel Filler Neck Bolts
M10 x 1.5
1
Fuel Filler Neck Bolts
M10 x 1.5
Torque Specification
9.2 ft-lbs (12 N·m)
2 Fuel Tank Strap Bolts
M14 x 2
2
Fuel Tank Strap Bolts
M14 x 2
Torque Specification
35 ft-lbs (47 N·m)
Electrical System
1 Battery Terminal Nuts
M8 x 1.25
1
Battery Terminal Nuts
M8 x 1.25
Torque Specification
5.5 ft-lbs (7 N·m)
Body and Frame
1 Body Mount Bolts
M16 x 2
1
Body Mount Bolts
M16 x 2
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Estimated value. Consult manufacturer's specifications for accurate information.
2 Bumper Mounting Bolts
M12 x 1.75
2
Bumper Mounting Bolts
M12 x 1.75
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value. Consult manufacturer's specifications for accurate information.
Doors and Hood
1 Door Hinge Bolts
M10 x 1.5
1
Door Hinge Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Consult manufacturer's specifications for accurate information.
2 Hood Hinge Bolts
M10 x 1.5
2
Hood Hinge Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Consult manufacturer's specifications for accurate information.
3 Tailgate Hinge Bolts
M10 x 1.5
3
Tailgate Hinge Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Consult manufacturer's specifications for accurate information.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper Assembly
1 Brake Caliper Bolts
M14 x 1.5
1
Brake Caliper Bolts
M14 x 1.5
Torque Specification
150 ft-lbs (203 N·m)
Important Notes
Proper torque is crucial to maintain even brake pad wear and prevent damage to the caliper or rotor.
2 Brake Caliper Mounting Bracket Bolts
M12 x 1.25
2
Brake Caliper Mounting Bracket Bolts
M12 x 1.25
Torque Specification
130 ft-lbs (176 N·m)
Important Notes
Proper torque ensures the bracket remains securely attached and maintains proper brake alignment.
Brake Rotor and Drum Assembly
1 Brake Disc/Drum Retaining Bolts
M10 x 1.25
1
Brake Disc/Drum Retaining Bolts
M10 x 1.25
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Proper torque ensures the disc or drum remains securely attached and prevents damage to the hub or wheel bearings.
2 Brake Rotor Bolts (if equipped with rotor retaining screws)
M8 x 1.0
2
Brake Rotor Bolts (if equipped with rotor retaining screws)
M8 x 1.0
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Proper torque ensures the rotor remains securely attached and prevents warping or damage to the rotor.
Brake Master Cylinder and ABS Assembly
1 Brake Master Cylinder Mounting Bolts
M10 x 1.25
1
Brake Master Cylinder Mounting Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Proper torque ensures the master cylinder remains securely attached and maintains proper brake pedal feel.
2 Brake Line Fittings
M8 x 1.0
2
Brake Line Fittings
M8 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value. Proper torque ensures the fittings remain securely attached and prevents brake fluid leaks.
3 ABS Sensor Bolts (if equipped with ABS)
M6 x 0.75
3
ABS Sensor Bolts (if equipped with ABS)
M6 x 0.75
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value. Proper torque ensures the sensors remain securely attached and maintains proper ABS operation.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Proper torque ensures the flywheel is properly seated and the engine's rotational energy is transferred to the transmission.
Transmission
1 Transmission Mounting Bolts
M12 x 1.25
1
Transmission Mounting Bolts
M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Proper torque ensures the transmission is properly aligned and supported.
2 Transmission Oil Pan Bolts
M8 x 1.0
2
Transmission Oil Pan Bolts
M8 x 1.0
Torque Specification
115 in-lbs (13 N·m)
Important Notes
Proper torque ensures the oil pan is properly sealed and the transmission's lubrication system is maintained.
Driveshaft
1 Propeller/Drive Shaft Bolts
M14 x 1.5
1
Propeller/Drive Shaft Bolts
M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Proper torque ensures the shaft is properly seated and the drivetrain's rotational energy is transferred to the wheels.
2 Driveshaft Center Bearing Bolts
M10 x 1.25
2
Driveshaft Center Bearing Bolts
M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Proper torque ensures the bearing is properly seated and the drivetrain's rotational energy is transferred to the wheels.
Differential
1 Differential Drain/Fill Plug
M12 x 1.25
1
Differential Drain/Fill Plug
M12 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque ensures the plug is properly sealed and the differential's lubrication system is maintained.
2 Differential Cover Bolts
M10 x 1.25
2
Differential Cover Bolts
M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Proper torque ensures the cover is properly sealed and the differential's lubrication system is maintained.
Transfer Case
1 Transfer Case Drain/Fill Plug
M12 x 1.25
1
Transfer Case Drain/Fill Plug
M12 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque ensures the plug is properly sealed and the transfer case's lubrication system is maintained.
2 Transfer Case Mounting Bolts
M12 x 1.25
2
Transfer Case Mounting Bolts
M12 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Proper torque ensures the transfer case is properly aligned and supported.
Axles
1 Drive Axle/Half Shaft Bolts
M14 x 1.5
1
Drive Axle/Half Shaft Bolts
M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Proper torque ensures the axles are properly seated and the drivetrain's rotational energy is transferred to the wheels.
2 CV Joint/Axle Nut
M20 x 1.5
2
CV Joint/Axle Nut
M20 x 1.5
Torque Specification
185 ft-lbs (251 N·m)
Important Notes
Proper torque ensures the CV joint is properly seated and the drivetrain's rotational energy is transferred to the wheels.
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Alternator And Starter Motor
1 Alternator Mounting Bolts
M12 x 1.5
1
Alternator Mounting Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
2 Starter Motor Mounting Bolts
M10 x 1.25
2
Starter Motor Mounting Bolts
M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Battery Terminals
1 Battery Terminal Nuts
M8 x 1.25
1
Battery Terminal Nuts
M8 x 1.25
Torque Specification
5.17 ft-lbs (7 N·m)
Ignition Coil And Fuel Pump
1 Ignition Coil Mounting Bolts
M8 x 1.25
1
Ignition Coil Mounting Bolts
M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value, actual torque may vary depending on the specific application and manufacturer's recommendations.
2 Fuel Pump Electrical Connector Bolts
M5 x 0.8
2
Fuel Pump Electrical Connector Bolts
M5 x 0.8
Torque Specification
0.83 ft-lbs (1.1 N·m)
Important Notes
Estimated value, actual torque may vary depending on the specific application and manufacturer's recommendations.
A/C Compressor
1 A/C Compressor Electrical Connector Bolts
M5 x 0.8
1
A/C Compressor Electrical Connector Bolts
M5 x 0.8
Torque Specification
0.83 ft-lbs (1.1 N·m)
Important Notes
Estimated value, actual torque may vary depending on the specific application and manufacturer's recommendations.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Egr System
1 EGR Valve Mounting Bolts
M8 x 1.25
1
EGR Valve Mounting Bolts
M8 x 1.25
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the EGR valve gasket is properly seated before tightening bolts in a crisscross pattern.
Oxygen Sensors
1 Oxygen Sensor Mounting Bolts
M12 x 1.5
1
Oxygen Sensor Mounting Bolts
M12 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on common O2 sensor bolt torque specifications. Ensure the sensor is properly aligned before tightening.
2 Heated Oxygen Sensor (HO2S) Wire Connector Bolts
M6 x 1.0
2
Heated Oxygen Sensor (HO2S) Wire Connector Bolts
M6 x 1.0
Torque Specification
0.83 ft-lbs (1.1 N·m)
Important Notes
Ensure the wire connector is properly seated before tightening to avoid damage to the connector or wires.
Exhaust Manifold
1 Exhaust Manifold/Header Bolts
M10 x 1.5
1
Exhaust Manifold/Header Bolts
M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even pressure distribution across the manifold gasket.
Catalytic Converter
1 Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.5
1
Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the exhaust pipe and catalytic converter flanges are aligned before tightening.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold and Headers
1 Exhaust Manifold/Headers to Engine Block Bolts
M12 x 1.5
1
Exhaust Manifold/Headers to Engine Block Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
2 Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.25
2
Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Exhaust Pipes and Connections
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M12 x 1.5
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
2 Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.5
2
Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
3 Muffler to Exhaust Pipe Bolts
M12 x 1.5
3
Muffler to Exhaust Pipe Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Oxygen Sensors and Mounting
1 Oxygen Sensor Bolts
M8 x 1.25
1
Oxygen Sensor Bolts
M8 x 1.25
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's recommendations or a reliable repair manual for accurate information.
2 Exhaust System Mounting Bolts
M10 x 1.5
2
Exhaust System Mounting Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (33.9 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's recommendations or a reliable repair manual for accurate information.
Exhaust System Clamps
1 Exhaust System Clamp Bolts
M8 x 1.25
1
Exhaust System Clamp Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20.3 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's recommendations or a reliable repair manual for accurate information.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel Delivery System
1 Fuel Rail Bolts
M6 x 1.0
1
Fuel Rail Bolts
M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment of the fuel rail before tightening.
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3 Fuel Pressure Regulator Mounting Bolts
M6 x 1.0
3
Fuel Pressure Regulator Mounting Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system.
Fuel Storage System
1 Fuel Pump Mounting Bolts
M8 x 1.25
1
Fuel Pump Mounting Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the fuel pump is properly seated before tightening.
2 Fuel Tank Strap Bolts
M10 x 1.5
2
Fuel Tank Strap Bolts
M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the fuel tank is properly aligned before tightening.
3 Fuel Filler Neck Bolts
M6 x 1.0
3
Fuel Filler Neck Bolts
M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the filler neck is properly aligned with the fuel tank.
Fuel Filtration System
1 Fuel Filter Bolt/Nut
M8 x 1.25
1
Fuel Filter Bolt/Nut
M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the fuel filter is properly seated before tightening.
Electrical Connections
1 Fuel Injector Electrical Connector Bolts
M4 x 0.7
1
Fuel Injector Electrical Connector Bolts
M4 x 0.7
Torque Specification
0.6 ft-lbs (0.8 N·m)
Important Notes
Estimated value based on similar small electrical connector bolts.
2 Fuel Pump Electrical Connector Bolts
M4 x 0.7
2
Fuel Pump Electrical Connector Bolts
M4 x 0.7
Torque Specification
0.6 ft-lbs (0.8 N·m)
Important Notes
Estimated value based on similar small electrical connector bolts.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
Air Conditioning System
1 A/C Compressor Mounting Bolts
M10 x 1.5
1
A/C Compressor Mounting Bolts
M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Proper torque is essential to maintain the compressor's performance and longevity.
2 A/C Line Fittings
M8 x 1.25
2
A/C Line Fittings
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque ensures a leak-free connection, preventing refrigerant loss and maintaining system performance.
3 A/C Condenser Mounting Bolts
M12 x 1.75
3
A/C Condenser Mounting Bolts
M12 x 1.75
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on industry standards. Proper torque is essential to maintain the condenser's performance and prevent damage.
4 A/C Evaporator Mounting Bolts
M8 x 1.25
4
A/C Evaporator Mounting Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on industry standards. Proper torque is essential to maintain the evaporator's performance and prevent damage.
5 A/C Refrigerant Line Bracket Bolts
M6 x 1.0
5
A/C Refrigerant Line Bracket Bolts
M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards. Proper torque is essential to maintain the lines' integrity and prevent refrigerant loss.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Strut Shock Absorber
1 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure proper alignment of the strut/shock absorber before tightening.
2 Coil Spring Mounting Bolts
M10 x 1.25
2
Coil Spring Mounting Bolts
M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment of the coil spring before tightening.
Control Arm
1 Control Arm Bolts
M14 x 1.5
1
Control Arm Bolts
M14 x 1.5
Torque Specification
130 ft-lbs (176 N·m)
Important Notes
Ensure proper alignment of the control arm before tightening.
2 Upper Control Arm Bushing Bolts
M10 x 1.25
2
Upper Control Arm Bushing Bolts
M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment of the bushings before tightening.
3 Lower Control Arm Bushing Bolts
M10 x 1.25
3
Lower Control Arm Bushing Bolts
M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment of the bushings before tightening.
Steering Knuckle
1 Steering Knuckle Bolts
M12 x 1.5
1
Steering Knuckle Bolts
M12 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment of the steering knuckle before tightening.
2 Ball Joint Nut
M10 x 1.25
2
Ball Joint Nut
M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure proper alignment of the ball joint before tightening.
Steering Linkage
1 Tie Rod End Nut
M8 x 1.25
1
Tie Rod End Nut
M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure proper alignment of the tie rod end before tightening.
2 Sway Bar Link Nut
M10 x 1.25
2
Sway Bar Link Nut
M10 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment of the sway bar link before tightening.
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Loose Components
Symptoms:
- Rattling or vibration noises
- Visible movement in components
- Uneven panel gaps
Solutions:
- Clean threads and mounting surfaces
- Replace damaged fasteners
- Apply proper torque in sequence
- Use thread locker if specified
Stripped Fasteners
Symptoms:
- Unable to achieve proper torque
- Fastener spins freely
- Visible thread damage
Solutions:
- Use thread repair kit if appropriate
- Install thread insert (HeliCoil)
- Replace component if threaded hole is damaged
- Upgrade to higher grade fastener if recommended
Overtightened Components
Symptoms:
- Cracked or deformed parts
- Broken fasteners
- Compressed gaskets or seals
Solutions:
- Replace damaged components
- Use new fasteners
- Follow proper torque sequence
- Verify correct torque specifications
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Diagnostic Steps
Visual inspection, torque verification, thread assessment
1
Visual Inspection
Inspect the affected area for any visible signs of damage or wear
- Check for cracks or deformation
- Look for signs of excessive wear
- Verify proper fastener installation
2
Torque Verification
Verify the torque applied to the fasteners
- Check the torque wrench calibration
- Verify the torque specification
- Compare the applied torque to the specification
3
Thread Assessment
Assess the condition of the threads
- Check for signs of thread damage
- Verify the thread type and size
- Check for proper thread engagement
Prevention Guidelines
Best practices, maintenance tips, tool care
Prevention Guidelines
Best practices, maintenance tips, tool care
Best Practices
- Always follow the recommended torque specification
- Use the correct type and size of fasteners
- Verify the torque wrench calibration regularly
Maintenance Tips
- Regularly inspect the affected area for signs of wear or damage
- Replace damaged or worn-out components promptly
- Keep the work area clean and organized
Tool Care
- Regularly clean and maintain the torque wrench
- Store the torque wrench in a dry and secure location
- Verify the torque wrench calibration before each use
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What IS the recommended torque for lug nuts on a 2008-2015 Ram 4500?
Q1
What IS the recommended torque for lug nuts on a 2008-2015 Ram 4500?
The proper torque for lug nuts on 2008-2015 Ram 4500 models IS 170 foot-pounds (230 Nm).
Q2 What IS the correct torque for spark plugs on a Ram 4500?
Q2
What IS the correct torque for spark plugs on a Ram 4500?
The torque specification for spark plugs on 2008-2015 Ram 4500 engines IS 20-22 foot-pounds (27-30 Nm).
Q3 What IS the best tool for tightening bolts to specifications?
Q3
What IS the best tool for tightening bolts to specifications?
A torque wrench IS the most precise tool for applying specific torque values to bolts and fasteners. Ensure the wrench IS calibrated to Ram's specified torque values.
Q4 Can I use a standard wrench to tighten bolts?
Q4
Can I use a standard wrench to tighten bolts?
While a standard wrench can be used, it IS not recommended as it can lead to incorrect torque application. A torque wrench ensures the proper tightening force IS applied to avoid overtightening or undertightening.
Q5 Why IS it important to follow torque specifications?
Q5
Why IS it important to follow torque specifications?
Applying incorrect torque can lead to several issues, including stripped threads, damaged components, and potential safety hazards. Overtightening can cause bolts to snap, while undertightening can lead to loose connections and system failures.
Q6 What are some common torque-related mistakes to avoid?
Q6
What are some common torque-related mistakes to avoid?
Common mistakes include using the wrong torque value, overtightening bolts, undertightening bolts, and using improper tools. Always refer to Ram's torque specifications and use a calibrated torque wrench to avoid these errors.
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature can significantly impact torque values and fastener behavior
Cold Weather
Effects:
- Increased material brittleness
- Higher torque required due to thread contraction
- Reduced thread lubricant effectiveness
Recommendations:
- Allow components to warm to room temperature when possible
- Consider using winter-grade thread lubricants
- Check torque values more frequently during winter months
Hot Weather
Effects:
- Thermal expansion of components
- Decreased friction in threads
- Accelerated lubricant breakdown
Recommendations:
- Check torque when components are at normal operating temperature
- Use temperature-resistant thread lockers
- Consider re-torquing after heat cycles
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Moisture and corrosion can affect fastener integrity and torque values
High Humidity
Effects:
- Accelerated corrosion formation
- Reduced friction coefficient
- Potential thread seizing
Prevention:
- Use corrosion-resistant fasteners
- Apply appropriate anti-seize compounds
- Maintain proper protective coatings
Salt Exposure
Effects:
- Rapid corrosion development
- Thread damage
- Seized fasteners
Prevention:
- Regular underbody washing
- Use of sacrificial anodes where appropriate
- Application of protective coatings
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Spring
- Inspect for winter damage
- Clean and protect exposed fasteners
- Check torque on critical components
Summer
- Monitor heat-affected components
- Check expansion-related loosening
- Inspect cooling system mounts
Fall
- Prepare for winter conditions
- Apply corrosion protection
- Verify all fasteners are properly torqued
Winter
- More frequent inspection of critical fasteners
- Check for salt damage
- Monitor suspension component torque
Related Resources
Tools, service procedures, and technical bulletins
Recommended Tools
Digital Torque Wrench (10-100 Nm)
Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the 4500.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Engine Head Bolt Torque Sequence and Specifications
Follow the specified torque sequence and values to ensure proper sealing and prevent damage to the engine head.
- Clean the bolt threads and mating surfaces.
- Apply a light coating of engine oil to the bolt threads and washers.
- Tighten the bolts in the specified sequence to 20 Nm.
- Re-tighten the bolts in the same sequence to 40 Nm.
- Final tighten the bolts in the same sequence to 60 Nm.
- Use an accurate digital torque wrench for all steps to ensure proper torque values.
Wheel Lug Nut Torque Specifications
Properly tightened lug nuts are essential for safe driving. Follow these steps to ensure correct torque.
- Clean the lug nuts and mating threads.
- Apply a light coating of anti-seize compound to the lug nuts.
- Tighten the lug nuts to 170 Nm in a star pattern.
- Re-check the torque after 100 miles of driving.
Technical Service Bulletins
TSB #20-001: Rear Axle Nut Torque Correction
2020-05-15Important update regarding the torque specification for the rear axle nut. Failure to follow the updated torque value can result in premature bearing failure.
2008-2015 4500
Resolution: Tighten the rear axle nut to 450 Nm, not the previously specified 360 Nm. Refer to the updated service manual for detailed instructions.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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