Hyundai Kona 2018-present 2.0L Engine Bolt Torque Specifications & Fastener Values
Hyundai Kona 2018-present

Hyundai Kona 2018-present 2.0L Engine Bolt Torque Specifications

Detailed torque specifications for the 2.0L engine bolts in the 2018-Present Hyundai KONA. Includes cylinder head, main bearing, connecting rod, and other critical fasteners.

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

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

Cylinder head and engine block

Components that secure the cylinder head to the engine block, ensuring proper sealing and compression.

1

Cylinder Head Bolts

M12 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure proper torque sequence to avoid engine damage.
2

Cylinder Head Studs

M14 x 1.5
Torque Value
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Main bearings and crankshaft

Components that support the crankshaft and ensure proper engine operation.

1

Main Bearing Bolts

M16 x 1.5
Torque Value
54 ft-lbs (73 N·m)
Important Notes
Ensure proper torque sequence to avoid bearing failure.
2

Engine Block Main Bearing Cap Bolts

M14 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Valvetrain and intake manifold

Components that ensure proper engine operation and air/fuel mixture.

1

Valve Cover Bolts

M10 x 1.5
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure proper torque sequence to avoid oil leaks or engine damage.
2

Intake Manifold Bolts

M12 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure proper torque sequence to avoid engine damage or failure.

Timing system and crankshaft pulley

Components that ensure proper engine timing and operation.

1

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Value
17 ft-lbs (24 N·m)
Important Notes
Ensure proper torque sequence to avoid timing belt or chain failure.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M18 x 1.5
Torque Value
130 ft-lbs (176 N·m)
Important Notes
Ensure proper torque sequence to avoid pulley or balancer failure.

Fuel system and spark plugs

Components that ensure proper engine operation and fuel delivery.

1

Fuel Rail Bolts

M10 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure proper torque sequence to avoid fuel leaks or engine damage.
2

Spark Plugs

M14 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensure proper torque sequence to avoid spark plug failure or engine damage.

Exhaust system and egr valve

Components that ensure proper engine operation and exhaust gas flow.

1

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Value
26 ft-lbs (35 N·m)
Important Notes
Ensure proper torque sequence to avoid exhaust leaks or engine damage.
2

EGR Valve Bolts

M10 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure proper torque sequence to avoid EGR valve failure or engine damage.

Cooling system and water pump

Components that ensure proper engine cooling and operation.

1

Water Pump Bolts

M12 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure proper torque sequence to avoid water pump failure or engine damage.
2

Thermostat Housing Bolts

M10 x 1.5
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure proper torque sequence to avoid thermostat failure or engine damage.

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 are the torque specifications for the cylinder head bolts on the 2.0L engine?

The cylinder head bolts on the 2.0L engine should be torqued in a specific sequence to 22 lb-ft (30 Nm) initially, then tightened an additional 90 degrees, and finally tightened another 90 degrees. Always refer to the manufacturer's service manual for the exact sequence and specifications.

Q2

How often should I check the torque on engine components?

It is recommended to check the torque on critical engine components, such as cylinder head bolts, during major service intervals (e.g., every 60,000 miles or as specified in the owner's manual). Additionally, recheck torque after any engine repair or component replacement.

Q3

Can I reuse the cylinder head bolts on the 2.0L engine?

No, the cylinder head bolts on the 2.0L engine are torque-to-yield (TTY) bolts and should not be reused. They are designed to stretch during installation and must be replaced with new bolts to ensure proper clamping force and prevent leaks or engine damage.

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

A precision tool for applying accurate torque to engine bolts.

  • Adjustable torque settings
  • Digital display for precise readings
Learn more

Torque Angle Gauge

Used to measure the angle of rotation when torque-to-yield bolts are used.

  • Magnetic base for easy attachment
  • Clear angle markings
Learn more

Engine Bolt Torque Sequence Chart

A reference chart for the correct tightening sequence of engine bolts.

  • Specific to 2.0L engine
  • Includes torque specifications
Learn more
Service Procedures

Cylinder Head Bolt Torque Procedure

Detailed steps for torquing cylinder head bolts on the 2.0L engine.

  • Clean the bolt threads and bolt holes thoroughly.
  • Apply a small amount of engine oil to the bolt threads.
  • Tighten bolts in the specified sequence to the initial torque value.
  • Use a torque angle gauge to apply the final torque-to-yield angle.
View full procedure

Main Bearing Cap Bolt Torque Procedure

Procedure for torquing main bearing cap bolts on the 2.0L engine.

  • Ensure the bearing caps and engine block are clean and free of debris.
  • Apply engine oil to the bolt threads.
  • Tighten bolts in the specified sequence to the initial torque value.
  • Use a torque angle gauge to apply the final torque-to-yield angle.
View full procedure
Technical Service Bulletins

Incorrect Torque Specifications for 2.0L Engine Bolts

2021-05-15

Reports of incorrect torque specifications being used for certain engine bolts.

2018-2022 Hyundai KONA

Resolution: Refer to the updated torque specifications in the service manual and ensure proper tools are used.

Cylinder Head Bolt Failure Due to Improper Torque

2020-11-10

Instances of cylinder head bolt failure caused by improper torque application.

2018-2021 Hyundai KONA

Resolution: Follow the correct torque sequence and use a torque angle gauge for final tightening.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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