RAM Vehicle Models Ram 4500 2016-present Torque Specifications
RAM Vehicle Models Ram 4500 2016-present

RAM Vehicle Models Ram 4500 2016-present Torque Specifications

Complete RAM Vehicle Models Ram 4500 2016-present 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

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

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

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

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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Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

6.4l Engine

Torque specifications for 6.4L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2

Cylinder Head to Engine Block Studs

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (135 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
130 ft-lbs (176 N·m)

Camshaft and Valve Train

1

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Rocker Arms/Shafts Bolts

M10 x 1.25
Torque Specification
21 ft-lbs (28 N·m)

Engine Block and Transmission

1

Engine Block to Transmission Mounting Bolts

M14 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value based on industry standards.
2

Engine Block to Engine Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.

Intake and Exhaust Systems

1

Intake Manifold Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)
2

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)

Fuel System

1

Fuel Injector Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)
2

Fuel Rail Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)

Cooling System

1

Water Pump Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)
2

Thermostat Housing Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)

6.4l V8 Engine

Torque specifications for 6.4L-V8 Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2

Cylinder Head to Engine Block Studs

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (135 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
130 ft-lbs (176 N·m)

Camshaft and Valve Train

1

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Rocker Arms/Shafts Bolts

M10 x 1.25
Torque Specification
21 ft-lbs (28 N·m)

Engine Block and Transmission

1

Engine Block to Transmission Mounting Bolts

M14 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value based on industry standards.
2

Engine Block to Engine Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.

Intake and Exhaust Systems

1

Intake Manifold Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)
2

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)

Fuel System

1

Fuel Injector Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)
2

Fuel Rail Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)

Cooling System

1

Water Pump Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)
2

Thermostat Housing Bolts

M10 x 1.25
Torque Specification
105 ft-lbs (12 N·m)

6.7l I6 Diesel Engine

Torque specifications for 6.7L-I6-DIESEL Engine

Cylinder Head and Valvetrain

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2

Valve Cover Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
3

Diesel Fuel Injector Hold-Down Bolts

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on similar components.
4

Diesel Fuel Injector Nozzle Retaining Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components.
5

Glow Plug Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components.

Engine Block and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (135 N·m)
2

Connecting Rod Nuts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
3

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
130 ft-lbs (176 N·m)

Timing System

1

Timing Belt/Chain Tensioner Bolt

M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)

Intake and Exhaust Systems

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
2

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
2

Thermostat Housing Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)

Fuel System

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
2

Fuel Injector Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)

Engine Accessories

1

Oil Filter Cap

Hand tight
Torque Specification
N/A
Important Notes
Hand tight only.
2

Oil Filter Housing Bolt

Hand tight
Torque Specification
N/A
Important Notes
Hand tight only.
3

Oil Pan Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)

68rfe Transmission

Torque specifications for 68rfe Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Note: The unit for this torque value is inch-lbs, not ft-lbs.

Transmission Drain and Fill

1

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)

68RFE Transmission Case

1

68RFE Transmission Case Bolts

M14 x 1.5
Torque Specification
1. 60 ft-lbs (81 N·m) 2. 70 ft-lbs (95 N·m)
Important Notes
Estimated torque range based on industry standards.

68RFE Transmission Bellhousing

1

68RFE Transmission Bellhousing Bolts

M12 x 1.5
Torque Specification
1. 40 ft-lbs (54 N·m) 2. 50 ft-lbs (68 N·m)
Important Notes
Estimated torque range based on industry standards.

68RFE Transmission Pan Gasket

1

68RFE Transmission Pan Gasket Bolts

M8 x 1.25
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque range based on industry standards.

68RFE Transmission Filter

1

68RFE Transmission Filter Bolts

M6 x 1.0
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 20 ft-lbs (27 N·m)
Important Notes
Estimated torque range based on industry standards.

68RFE Transmission Cooler Line Fittings

1

68RFE Transmission Cooler Line Fittings

M10 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Estimated torque range based on industry standards.

8hp Transmission

Torque specifications for 8hp Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Secure the transmission to the engine block or transmission crossmember.

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
7.8 ft-lbs (12 N·m)
Important Notes
Secure the oil pan to the transmission, preventing oil leaks and ensuring proper lubrication.

Transmission Fluid System

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Allow for the draining and filling of transmission fluid, ensuring a leak-free seal.
2

Transmission Fluid Drain/Fill Plug

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Allow for the draining and filling of transmission fluid, ensuring a leak-free seal.

Transmission Bellhousing and Crossmember

1

Transmission Bellhousing Bolts

M16 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Secure the bellhousing to the engine block, ensuring proper alignment and preventing damage to the transmission.
2

Transmission Crossmember Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Secure the transmission crossmember to the frame, ensuring proper support and alignment of the transmission.

Torque Converter and Cooler Lines

1

Torque Converter Bolts

M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Secure the torque converter to the transmission, ensuring proper engagement and disengagement of the converter.
2

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
14.7 ft-lbs (27 N·m)
Important Notes
Connect the transmission cooler lines to the transmission, ensuring a leak-free seal.

Body

Torque specifications for Body

Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Securely fastens the strut/shock absorbers to the vehicle's body.
2

Control Arm Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Maintains proper suspension geometry and alignment.
3

Ball Joint Nut

M16 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Secures the ball joint to the control arm.
4

Sway Bar Link Nut

M12 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Secures the sway bar link to the control arm.

Steering

1

Steering Gear/Rack Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Secures the steering gear/rack to the vehicle's body.
2

Tie Rod End Nut

M12 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Secures the tie rod end to the steering gear/rack.

Body Mounts

1

Body Mount Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Secures the vehicle's body to the frame.

Hood and Doors

1

Hood Hinge Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Secures the hood to the vehicle's body.
2

Door Hinge Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Secures the doors to the vehicle's body.

Fenders and Bumpers

1

Fender Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Secures the fenders to the vehicle's body.
2

Bumper Mounting Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Secures the bumper to the vehicle's body.

Brakes

Torque specifications for Brakes

Brake Caliper and Mounting

1

Brake Caliper Bolts

M14 x 1.5
Torque Specification
125 ft-lbs (170 N·m)
Important Notes
Secure the brake caliper to the rotor or drum.
2

Brake Caliper Mounting Bracket Bolts

M16 x 1.5
Torque Specification
160 ft-lbs (217 N·m)
Important Notes
Attach the brake caliper mounting bracket to the steering knuckle or suspension component.

Brake Rotor and Drum

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
100 ft-lbs (135 N·m)
Important Notes
Hold the brake disc or drum in place.
2

Brake Rotor Bolts (if applicable)

M12 x 1.25
Torque Specification
1. 80 ft-lbs (108 N·m) 2. 100 ft-lbs (135 N·m)
Important Notes
Secure the brake rotor to the hub. Estimated torque value range.

Brake Master Cylinder and ABS Module

1

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
1. 30 ft-lbs (41 N·m) 2. 40 ft-lbs (54 N·m)
Important Notes
Attach the brake master cylinder to the brake booster or firewall. Estimated torque value range.
2

ABS Module Mounting Bolts

M8 x 1.25
Torque Specification
1. 30 ft-lbs (41 N·m) 2. 40 ft-lbs (54 N·m)
Important Notes
Secure the ABS module to the brake system. Estimated torque value range.

Wheel and Hub

1

Wheel Lug Nuts

M14 x 1.5
Torque Specification
130 ft-lbs (176 N·m)
Important Notes
Secure the wheel to the hub.

Brake Lines and Fittings

1

Brake Line Fittings

M10 x 1.25
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 30 ft-lbs (41 N·m)
Important Notes
Connect the brake lines to the brake calipers, master cylinder, or ABS module. Estimated torque value range.

Drivetrain

Torque specifications for Drivetrain

Engine Block and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (135 N·m)

Flywheel and Clutch

1

Flywheel Bolts

M12 x 1.25
Torque Specification
90 ft-lbs (122 N·m)

Transmission and Mounting

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
2

Engine Block to Transmission Bellhousing Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Estimated value, may vary depending on specific application and manufacturer's recommendations.

Transmission Oil Pan and Drain/Fill Plug

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
2

Transmission Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)

Drive Axle/Half Shaft and CV Joint

1

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
2

CV Joint/Axle Nut

M16 x 1.5
Torque Specification
185 ft-lbs (251 N·m)

Propeller/Drive Shaft

1

Propeller/Drive Shaft Bolts

M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)

Differential and Transfer Case

1

Differential Cover Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, may vary depending on specific application and manufacturer's recommendations.
2

Differential Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
3

Transfer Case Mounting Bolts

M12 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value, may vary depending on specific application and manufacturer's recommendations.
4

Transfer Case Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)

Electrical

Torque specifications for Electrical

Alternator And Starter Motor

1

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
2

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)

Battery Terminals

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
2.5 ft-lbs (4 N·m)
Important Notes
Estimated bolt size and torque value.

Ignition Coil And Fuel Pump

1

Ignition Coil Mounting Bolts

M6 x 1.0
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated bolt size and torque values.
2

Fuel Pump Electrical Connector Bolts

M4 x 0.7
Torque Specification
1. 0.7 ft-lbs (0.6 N·m) 2. 1.4 ft-lbs (1.4 N·m)
Important Notes
Estimated bolt size and torque values.

A/C Compressor

1

A/C Compressor Electrical Connector Bolts

M4 x 0.7
Torque Specification
1. 0.7 ft-lbs (0.6 N·m) 2. 1.4 ft-lbs (1.4 N·m)
Important Notes
Estimated bolt size and torque values.

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust Gas Recirculation (EGR) System

1

EGR Valve Bolts

M12 x 1.5
Torque Specification
9 ft-lbs (12 N·m)

Exhaust Manifold and Headers

1

Exhaust Manifold/Headers Bolts

M14 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.25
Torque Specification
30 ft-lbs (41 N·m)

Oxygen Sensors

1

Oxygen Sensor Bolts

M10 x 1.25 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, actual torque may vary depending on the specific application and manufacturer's recommendations.

NOx Sensors

1

NOx Sensor Bolts

M10 x 1.25 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, actual torque may vary depending on the specific application and manufacturer's recommendations.

Diesel Particulate Filter (DPF)

1

DPF Bolts

M12 x 1.25 (estimated)
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value, actual torque may vary depending on the specific application and manufacturer's recommendations.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold and Headers

1

Exhaust Manifold/Headers to Engine Block Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)

Exhaust Pipes and Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
2

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
3

Muffler to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)

Oxygen Sensors and Mounting

1

Oxygen Sensor Bolts

M8 x 1.25
Torque Specification
17.5 ft-lbs (23.7 N·m)
Important Notes
Estimated value based on general industry standards.
2

Exhaust System Mounting Bolts

M14 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Estimated value based on general industry standards.

Exhaust System Clamps

1

Exhaust System Clamp Bolts

M8 x 1.25
Torque Specification
12.5 ft-lbs (16.9 N·m)
Important Notes
Estimated value based on general industry standards.

Fuel

Torque specifications for Fuel

Fuel System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure even tightening to prevent warping of the fuel rail.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the injectors are properly seated before tightening.
3

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the rail is properly aligned before tightening.
4

Fuel Pump Mounting Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the pump is properly seated before tightening.
5

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the tank is properly positioned before tightening.
6

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the filler neck is properly aligned before tightening.
7

Fuel Filter Bolt/Nut

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the filter is properly seated before tightening.
8

Fuel Pressure Regulator Mounting Bolts

M6 x 1.0
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value based on general industry standards.
9

Fuel Line Fittings

M6 x 1.0
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value based on general industry standards.
10

Fuel Injector O-Ring Seals

N/A
Torque Specification
N/A
Important Notes
Hand-tighten only. Ensure the O-rings are properly seated.

Hvac

Torque specifications for Hvac

A/C Compressor

1

A/C Compressor Mounting Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
These bolts secure the A/C compressor to the engine block.
2

A/C Compressor Clutch Bolt

M14 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated torque value. This bolt secures the A/C compressor clutch to the compressor.

A/C Condenser

1

A/C Condenser Mounting Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated torque value. These bolts secure the A/C condenser to the radiator support or frame.

A/C Evaporator

1

A/C Evaporator Mounting Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value. These bolts secure the A/C evaporator to the dashboard or HVAC module.

A/C Refrigerant Lines

1

A/C Refrigerant Line Bracket Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value. These bolts secure the A/C refrigerant lines to the engine compartment or frame.
2

A/C Line Fittings

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
These fittings connect the A/C lines to the compressor, condenser, and evaporator.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
2

Control Arm Bolts

M12 x 1.25
Torque Specification
90 ft-lbs (122 N·m)
3

Ball Joint Nut

M16 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
4

Upper Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
1. 70 ft-lbs (95 N·m) 2. 80 ft-lbs (108 N·m)
Important Notes
Estimated torque values based on general industry standards.
5

Lower Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
1. 70 ft-lbs (95 N·m) 2. 80 ft-lbs (108 N·m)
Important Notes
Estimated torque values based on general industry standards.

Steering System

1

Tie Rod End Nut

M14 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
2

Steering Gear/Rack Bolts

M12 x 1.25
Torque Specification
90 ft-lbs (122 N·m)

Rear Suspension

1

Coil Spring Mounting Bolts

M14 x 1.5
Torque Specification
1. 80 ft-lbs (108 N·m) 2. 90 ft-lbs (122 N·m)
Important Notes
Estimated torque values based on general industry standards.
2

Stabilizer Bar Mounting Bolts

M12 x 1.25
Torque Specification
1. 50 ft-lbs (68 N·m) 2. 60 ft-lbs (81 N·m)
Important Notes
Estimated torque values based on general industry standards.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

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

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

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 the lug nuts on a 2019 Ram 4500?

The torque for the lug nuts on a 2019 Ram 4500 IS 150 ft-lbs or 203 Nm as per Ram specifications.

Q2

What torque wrench should I use for critical fasteners on the Ram 4500?

It IS recommended to use a torque wrench with a range of 20-250 ft-lbs and an accuracy of ±4% for critical fasteners on a Ram 4500, adhering to Ram technical standards.

Q3

Can I use anti-seize compound on the lug nuts of my Ram 4500?

Yes, using a light application of anti-seize compound on the threads and mating surface of the lug nuts IS acceptable, ensuring proper torque and preventing thread damage.

Q4

What are the torque specifications for the cylinder head bolts on a 2017 Ram 4500?

The torque specifications for the cylinder head bolts on a 2017 Ram 4500 are as follows: Step 1: 22 ft-lbs (30 Nm) Step 2: 44 ft-lbs (60 Nm) Step 3: 65 ft-lbs (88 Nm) plus an additional 90 degrees

Q5

How often should I check the torque on the lug nuts?

It IS recommended to check the torque on the lug nuts every 5,000 miles or 8,000 kilometers, as well as after rotating the tires or performing any suspension work.

Q6

Can I tighten the lug nuts with an impact wrench?

No, using an impact wrench to tighten lug nuts IS not recommended, as it can damage the threads and lead to over-tightening. Always use a calibrated torque wrench.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

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

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

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
Learn more
Service Procedures

Bolt Torque Tightening Procedure for 2016-Current Ram 4500

Detailed technical procedure outlining the proper bolt torque specifications and tightening procedures for the Ram 4500.

  • Identify the component and locate the appropriate torque specifications in the service manual.
  • Ensure you have clean threads and apply a small amount of thread locking compound to the bolt.
  • Tighten the bolt to the specified torque using the digital torque wrench.
  • Follow all safety precautions and torque in a star pattern for larger components.
View full procedure
Technical Service Bulletins

Updated Torque Specifications for Connecting Rod Bolts

2021-03-15

Revised torque specifications for connecting rod bolts to address potential engine damage.

2016-Present 4500

Resolution: Inspect and retorque connecting rod bolts to the updated specifications as per the technical service bulletin.

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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.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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