Chrysler Sebring 2007-2010 2.7L Engine Bolt Torque Specifications & Fastener Values
Chrysler Sebring 2007-2010

Chrysler Sebring 2007-2010 2.7L Engine Bolt Torque Specifications

This page provides a comprehensive list of bolt torque specifications for the 2.7L engine in the 2007-2010 Chrysler Sebring. Includes values for cylinder head, intake manifold, exhaust manifold, and other critical engine components.

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

Components related to the cylinder head, including the head bolts and valve train components.

1

Cylinder Head Bolts

M12 x 1.75
Important Notes
Torque in sequence. Followed by an additional 90 degree angle turn after initial torque is reached.
2

Rocker Arm Shaft Bolts

M8 x 1.25
Torque Value
19 ft-lbs (26 N·m)
Important Notes
Ensure proper alignment of the rocker arm shaft before tightening.
3

Camshaft Bearing Cap Bolts

M6 x 1.0
Torque Value
7.5 ft-lbs (10 N·m)
Important Notes
Tighten evenly to avoid camshaft damage.
4

Spark Plugs

M14 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure threads are clean before installation to prevent binding.

Engine Block

Components mounted to or part of the engine block.

1

Main Bearing Bolts

M10 x 1.5
Important Notes
Torque in specified sequence. Followed by an additional 45 degree angle turn after initial torque is reached.
2

Connecting Rod Nuts

M9 x 1.25
Important Notes
Torque in sequence. Followed by an additional 45 degree angle turn after initial torque is reached.
3

Oil Pan Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Torque in a cross pattern to ensure even sealing.
4

Oil Drain Plug

M14 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Use a new crush washer each time the plug is installed.
5

Timing Cover Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Different lengths, note locations for re-installation.
6

Crankshaft Position Sensor Bolt

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure sensor is correctly positioned.
7

Knock Sensor Bolt

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Sensor must be correctly installed for accurate readings.

Intake System

Components related to the intake of air into the engine.

1

Intake Manifold Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Torque in a cross pattern to prevent leaks.
2

Throttle Body Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper sealing with a new gasket.
3

EGR Valve Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper sealing of mating surface and gasket.
4

Fuel Rail Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper seating of fuel rail.
5

Fuel Injector Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure correct installation of the fuel injectors.

Exhaust System

Components related to the exhaust of gasses from the engine.

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Value
26 ft-lbs (35 N·m)
Important Notes
Torque in sequence from center bolts out to ends.

Rotating Assembly

Components related to the rotating parts of the engine.

1

Flywheel Bolts

M10 x 1.5
Torque Value
100 ft-lbs (136 N·m)
Important Notes
Ensure flywheel is properly seated on crankshaft.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Value
105 ft-lbs (142 N·m)
Important Notes
Ensure the pulley is seated correctly.
3

Camshaft Sprocket Bolt

M10 x 1.25
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Hold camshaft while tightening.

Cooling System

Components related to the engine cooling system.

1

Water Pump Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper sealing.
2

Water Pump Pulley Bolts

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure proper alignment of the pulley on water pump.
3

Thermostat Housing Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Use a new gasket for proper sealing.

Valve Train

Components related to the valve train assembly.

1

Valve Cover Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Use a new gasket, and torque in a cross pattern to prevent leaks.

Ignition System

Components related to the engine's ignition system.

1

Ignition Coil Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure coil is correctly seated before tightening.

Timing System

Components related to the timing system of the engine.

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure the correct procedure for tensioning is followed as well.

Oil System

Components related to the oil system of the engine.

1

Oil Filter Housing Bolt

N/A
Torque Value
0 ft-lbs (0 N·m)
Important Notes
Hand tighten only to prevent damage to the plastic threads.

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

Why is it crucial to use the correct torque specifications?

Using the correct torque specifications is critical to ensure proper component clamping force. Over-tightening can lead to stripped threads, damaged bolts, or warped components like cylinder heads and engine blocks, resulting in oil leaks or engine failure. Under-tightening can cause components to loosen during operation, leading to leaks, vibrations, and potentially catastrophic engine damage. For example, improperly torqued cylinder head bolts could lead to a blown head gasket.

Q2

Should I use new bolts when reassembling the engine?

It is highly recommended to use new bolts, especially for critical components like cylinder heads, main bearings, and connecting rods. These bolts are often designed to stretch slightly when tightened and using them more than once could mean they have lost their clamping force or could be weakened, leading to failure. Reusing bolts could cause uneven clamping which can lead to serious damage. Consider it a small investment for long-term engine reliability.

Q3

What type of lubricant should I use on bolt threads before tightening?

For most engine components on the 2.7L Chrysler engine, a light coating of engine oil on the bolt threads is sufficient. However, some bolts, such as those on the exhaust manifold, may require anti-seize compound. Always refer to the specific repair manual for lubrication recommendations for each bolt location. Using the wrong lubricant can impact the achieved torque and cause inaccurate clamping forces. For instance, using grease instead of oil can lead to over-torquing.

Q4

Do I need to torque bolts in a specific sequence?

Yes, absolutely. Following the specified torque sequence is crucial for even pressure distribution across mating surfaces, like the cylinder head or intake manifold. An improper sequence can lead to warping or leaks. For instance, cylinder head bolts are almost always torqued in a spiral pattern from the center outwards. Failure to do so could result in an uneven seal and a blown head gasket. Refer to the engine specific service manual for these patterns.

Q5

What happens if I don't have a torque wrench?

It is highly discouraged to assemble critical engine components without a torque wrench. Relying on 'feel' is not accurate enough and can easily lead to under or over tightening. This can cause engine damage. Investing in a torque wrench is essential for accurate assembly and preventing future engine problems. Consider using a dial or digital torque wrench for higher accuracy.

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

Torque Wrench

A calibrated torque wrench is essential for achieving precise bolt tightening, preventing damage to engine components.

  • Adjustable torque settings
  • Click or digital indicator
Learn more

Socket Set

A standard socket set in both metric and/or SAE is needed to fit all bolt and stud heads.

  • Variety of sizes
  • Deep and shallow sockets
Learn more

Extension Bars

Extension bars are beneficial for reaching recessed or hard-to-reach bolts.

  • Various lengths
  • Secure connection
Learn more

Universal Joint

A universal joint can assist in accessing bolts at awkward angles.

  • Flexible rotation
  • Durable construction
Learn more
Service Procedures

2.7L Engine Bolt Torque Specifications (Chrysler Sebring 2007-2010)

This section provides a guide to the torque specifications for various bolts on the 2.7L engine found in 2007-2010 Chrysler Sebring models. It's crucial to follow these specifications to ensure proper engine operation and prevent damage.

  • 1. Consult your vehicle-specific service manual or database for exact specifications as they may vary slightly within the model year range.
  • 2. Always use a calibrated torque wrench and follow the manufacturer's recommended tightening sequence.
  • 3. Clean the threads of bolts before installation to ensure accurate torque readings.
  • 4. Ensure all mating surfaces are clean and free of debris.
  • 5. Lubricate the threads with engine oil when specified, usually indicated by *oil* in the torque specification.
  • 6. If torquing in stages, always follow the recommended pattern. This is especially important for cylinder heads.
  • 7. Double-check all torque values after tightening to verify proper installation.
View full procedure

Cylinder Head Bolts

Specific torque and tightening sequence instructions for the cylinder head bolts.

  • 1. Torque all bolts in sequence to the first torque specification.
  • 2. Repeat the sequence for the second torque specification.
  • 3. Follow the required angle torque procedure if applicable. Always use a new set of bolts as specified by manufacture instructions.
  • 4. Cylinder head bolts should always be replaced when removed.
View full procedure

Intake Manifold Bolts

Torque specifications for the intake manifold bolts, often torqued in multiple passes.

  • 1. Hand-tighten all bolts initially.
  • 2. Torque bolts to the first specified torque value in the manufacturer specified sequence.
  • 3. Repeat the sequence for the final torque spec.
  • 4. Double-check all torque values.
View full procedure

Exhaust Manifold Bolts

Torque specifications for the exhaust manifold bolts. Tightening sequences are also very important.

  • 1. Torque the center bolts first.
  • 2. Progress outward from the center using the recommended torque pattern.
  • 3. Perform a final torque check to ensure proper installation.
View full procedure

Camshaft Bearing Caps

The camshaft bearing cap bolts require a specific tightening sequence to ensure proper installation and camshaft operation.

  • 1. Apply clean engine oil to the bolt threads.
  • 2. Hand tighten all bolts initially.
  • 3. Follow the specified torque sequence pattern.
  • 4. Check that the camshaft can rotate freely once installed.
View full procedure

Oil Pan Bolts

Oil pan bolts are typically tightened to a lower torque spec. Always be careful not to over-tighten and risk oil pan damage.

  • 1. Tighten all bolts loosely using a hand driver.
  • 2. Follow a criss-cross pattern to achieve an even torque.
  • 3. Double-check the final torque.
View full procedure

Other Fasteners

Other fasteners, such as those for sensors, brackets, and accessories, each have their own torque specs. Always look up the individual specifications for these.

  • 1. Consult a reliable source for specific torque requirements.
  • 2. Use the appropriate tool for the specific fastener type.
  • 3. Ensure proper tightness for each component.
View full procedure
Technical Service Bulletins

Possible Torque Related Issues on 2.7L Engine

2009-03-15

Some 2.7L engines may experience issues related to improper bolt tightening, including coolant leaks, oil leaks, and exhaust leaks. Ensure proper torque sequences and specifications are followed to reduce these issues.

2007-2010 Chrysler Sebring

Resolution: Always double-check bolt torque specifications and sequences before installation. Use a properly calibrated torque wrench and new bolts when indicated.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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