Chrysler 200 2015-2017 Exhaust System Bolt Torque Specifications
Detailed torque specifications for all exhaust bolts on the 2015-2017 Chrysler 200, including manifold, downpipe, and exhaust system connections.
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
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.
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.
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
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.
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.
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Torque Wrench (3/8" Drive)
Torque Wrench (1/2" Drive)
Angle Gauge
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
Exhaust Manifold
Components related to the exhaust manifold, including its attachment to the cylinder head and connection to the exhaust pipe.
1 Exhaust Manifold to Cylinder Head Bolts
M10 x 1.5
Exhaust Manifold to Cylinder Head Bolts
M10 x 1.5Torque Value
Important Notes
2 Exhaust Pipe to Exhaust Manifold/Header Flange Bolts
M10 x 1.5
Exhaust Pipe to Exhaust Manifold/Header Flange Bolts
M10 x 1.5Torque Value
Important Notes
Catalytic Converter
Components involved in the connection of the catalytic converter to the exhaust system.
1 Catalytic Converter to Exhaust Pipe Flange Bolts
M10 x 1.5
Catalytic Converter to Exhaust Pipe Flange Bolts
M10 x 1.5Torque Value
Important Notes
Exhaust Piping
Components related to the exhaust piping, including intermediate flanges and muffler connections.
1 Exhaust Pipe Flange Bolts (Intermediate)
M10 x 1.25
Exhaust Pipe Flange Bolts (Intermediate)
M10 x 1.25Torque Value
Important Notes
2 Muffler to Exhaust Pipe Bolts
M8 x 1.25
Muffler to Exhaust Pipe Bolts
M8 x 1.25Torque Value
Important Notes
3 Exhaust Band Clamp Bolt
M8 x 1.25
Exhaust Band Clamp Bolt
M8 x 1.25Torque Value
Important Notes
Exhaust Hangers
Components related to supporting the exhaust system to the vehicle chassis.
1 Exhaust Hanger Bolts
M8 x 1.25
Exhaust Hanger Bolts
M8 x 1.25Torque Value
Important Notes
Oxygen Sensors
Components related to the oxygen sensors that are mounted to the exhaust.
1 Oxygen Sensor
M18 x 1.5
Oxygen Sensor
M18 x 1.5Torque Value
Important Notes
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
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
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
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 happens if I overtighten exhaust bolts?
What happens if I overtighten exhaust bolts?
Overtightening exhaust bolts can stretch or break the bolts, crush gaskets, and even crack exhaust flanges. This leads to leaks, which can cause loud noises, reduced engine performance, and dangerous exhaust fumes entering the cabin. For instance, overtightening the flange bolts between the exhaust manifold and downpipe can result in a warped flange and a persistent leak even after replacing the gasket. Always use a torque wrench and follow the specified torque.
Q2 What happens if I undertighten exhaust bolts?
What happens if I undertighten exhaust bolts?
Undertightening exhaust bolts will not provide a proper seal, leading to exhaust leaks. This can result in reduced backpressure, leading to decreased performance, loud exhaust noise, and potential risk of carbon monoxide entering the cabin. For example, if the bolts on the catalytic converter flange are not sufficiently torqued, the gap can allow hot exhaust gas to escape, potentially damaging nearby components, and making the car significantly louder.
Q3 Should I use anti-seize on exhaust bolts?
Should I use anti-seize on exhaust bolts?
Yes, applying a small amount of high-temperature anti-seize lubricant to the threads of exhaust bolts is highly recommended. This helps prevent corrosion and makes future removal much easier, especially in high-heat environments. For example, bolts on the muffler or tailpipe section often corrode quickly, and using anti-seize can save a lot of struggle and potential damage when it needs to be replaced.
Q4 Do I need to replace exhaust gaskets every time I remove an exhaust component?
Do I need to replace exhaust gaskets every time I remove an exhaust component?
Yes, it is highly recommended to replace exhaust gaskets anytime you disconnect an exhaust component. Exhaust gaskets compress and mold to the specific mating surfaces and lose their sealing ability once removed. Reusing old gaskets almost always leads to exhaust leaks. For instance, reusing the gasket between the exhaust pipe and muffler after a repair is almost guaranteed to result in a leak at the flange, resulting in increased noise and reduced exhaust efficiency.
Q5 What torque wrench should I use for exhaust bolts?
What torque wrench should I use for exhaust bolts?
Use a torque wrench that is rated for the torque values specified for your application. For most exhaust bolts on a 2015-2017 Chrysler 200, a 3/8 inch drive torque wrench with a range that includes the typical exhaust bolt torque (usually between 15-35 ft-lbs) is suitable. A smaller 1/4 inch drive torque wrench might be beneficial for tighter areas but ensure it can handle the required torque. Always verify your wrench is calibrated before use.
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
Torque Wrench
A calibrated torque wrench is essential for accurately tightening exhaust bolts to the specified torque, preventing leaks and damage.
- 1/2-inch or 3/8-inch drive
- Range that covers the required torque specifications
Socket Set
A comprehensive socket set is needed to fit the various sizes of exhaust bolts.
- Metric sockets
- Deep well sockets may be needed
Penetrating Oil
Helpful for loosening corroded or stuck exhaust bolts.
- Fast acting
- Heat resistant
Service Procedures
Exhaust Manifold Bolt Torque
The procedure for torquing the bolts securing the exhaust manifold to the engine.
- Locate all exhaust manifold bolts.
- Using a torque wrench, tighten bolts to 20 lb-ft (27 Nm).
- Check torque again to ensure it is correct.
Exhaust Pipe Flange Bolt Torque
The procedure for torquing the bolts connecting the exhaust pipe flanges.
- Locate all exhaust pipe flange bolts.
- Using a torque wrench, tighten bolts to 30 lb-ft (41 Nm).
- Check torque again to ensure it is correct.
Exhaust Hanger Bolt Torque
The procedure for torquing the bolts securing the exhaust hangers.
- Locate the exhaust hanger bolts
- Using a torque wrench, tighten bolts to 18 lb-ft (24 Nm).
- Check torque again to ensure it is correct.
Technical Service Bulletins
Exhaust System Bolt Corrosion
2018-03-15Technical Bulletin regarding instances of premature corrosion in the exhaust systems of Chrysler 200 models in regions with high salt usage.
Resolution: Inspect and clean exhaust system regularly. Consider using anti-seize compound on exhaust bolts upon replacement to minimize future corrosion issues.
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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.