After a collision, you might hear something that changes the tone of the entire repair: “We need to follow OEM procedures.”
That often comes with a higher estimate, more time, and more questions. What are these procedures, and why do they matter so much?
Despite what a lot of people think, OEM collision repair procedures are not optional guidelines. They are detailed instructions created by the vehicle manufacturer to restore your car to its original safety and performance standards.
This guide breaks down what those procedures include, what actually happens during a proper repair, and how to make sure your vehicle is repaired the right way.
At Craftsman Collision, these procedures guide every step of the repair process, because modern vehicles leave very little room for guesswork.
What OEM Collision Repair Procedures Actually Include
OEM collision repair procedures are step-by-step instructions developed by the engineers who designed your vehicle. They cover the entire repair process, not only the parts being replaced.
These procedures tell technicians exactly how to restore the vehicle safely, including:
- Where structural panels can be cut and replaced
- Whether a section should be welded, riveted, or bonded
- How to handle different materials like aluminum or high-strength steel
- When to run diagnostic scans and reset systems
- How to complete ADAS calibration after a collision
- What coatings and paint processes are required to prevent corrosion
This level of detail exists because every vehicle is built differently, and a repair that works on one model might compromise safety on another.
Find a certified Craftsman Collision location near you and get expert guidance.
Why Modern Repairs Depend on These Procedures
Vehicle design has changed significantly over the past decade, and today’s cars rely on precise engineering to protect passengers during a crash.
Crumple zones are designed to absorb energy in a controlled way, and if a structural repair does not follow manufacturer repair procedures, that energy may not be managed properly in a future collision.
Vehicles also use a mix of materials. High-strength steel, aluminum, and composite materials all behave differently under stress, and each requires specific tools and techniques to repair.
On top of that, modern vehicles are filled with sensors and wiring. Cameras, radar units, and airbag systems are often mounted to structural components, so even a small misalignment can affect how these systems perform.
This is why OEM repair guidelines are not only about quality, but also about safety.
What Happens During an OEM-Standard Repair
A proper repair follows a clear sequence. Each step builds on the last, and skipping one can affect the entire outcome.
Pre-scan and diagnostics
Technicians begin with a full diagnostic scan to identify hidden issues, including sensor faults and system errors that are not visible from the outside.
Controlled disassembly
The damaged area is carefully taken apart to give technicians full access to the affected components and help prevent further damage during the repair.
Structural repair or replacement
Technicians follow OEM instructions to repair or replace structural components. This includes exact sectioning points, approved welding or bonding methods, and material-specific techniques.
Parts replacement
Damaged parts are replaced using OEM-approved components. These are designed to match the original fit, strength, and performance of the vehicle.
Reassembly and alignment
The vehicle is reassembled using precise torque specifications and alignment procedures to make sure that panels, components, and systems fit together correctly.
ADAS calibration
Safety features like lane departure warning, adaptive cruise control, and emergency braking rely on accurate sensor data, and these systems must be recalibrated after many repairs.
Post-scan and quality check
A final diagnostic scan confirms that all systems are functioning as intended. The repair is reviewed to make sure it meets OEM standards before the vehicle is returned.
Ask our team how OEM collision repair procedures apply to your specific repair.
Common Mistakes When OEM Procedures Are Ignored
Not all repairs follow manufacturer repair procedures, and when shortcuts are taken, the risks increase.
Some of the most common issues include:
- Welding a component that should be bonded or riveted
- Skipping ADAS calibration after a collision
- Using incorrect adhesives or coatings
- Reusing parts that are designed for single use
These mistakes can affect structural integrity, corrosion resistance, and safety system performance.
There have also been legal consequences. In a well-known U.S. case involving John Eagle Collision Center, improper repair methods led to a significant lawsuit after a vehicle failed to perform safely in a crash.
The takeaway is simple: cutting corners on repair procedures can create long-term safety risks and liability issues.
How OEM Procedures Affect Insurance and Liability in Canada
In Canada, collision repair standards are closely tied to insurance requirements and provincial guidelines.
Insurance organizations outline expectations for repair quality, and insurers often rely on proper documentation to confirm that repairs meet accepted standards.
Repair facilities have a duty of care to restore vehicles safely, and if OEM repair procedures are not followed, liability can fall on the repairer if something goes wrong.
Documentation plays a key role here. Pre-scans, post-scans, and repair records help show that the work was completed according to manufacturer guidelines.
If you’re unsure about coverage, you can also learn more about whether insurance covers OEM parts and procedures.
How Shops Access OEM Repair Information
OEM repair information is not guesswork, it comes from specialized systems and training.
Repair shops access this information through:
- Subscription databases like ALLDATA Collision
- Manufacturer repair portals
- I-CAR training programs based on OEM standards
- Detailed repair manuals and technical bulletins
Technicians also receive ongoing training to stay current with new materials, systems, and repair methods.
At Craftsman Collision, this includes maintaining our certifications and investing in the tools required for modern auto body repair procedures.
How to Know If Your Repair Follows OEM Procedures
As a vehicle owner, you do not need to know every technical detail. But you should know what to ask.
Look for these signs:
- The shop provides repair documentation
- Pre-scan and post-scan reports are included
- ADAS calibration is part of the repair plan
- Technicians are trained in OEM repair guidelines
- The shop has access to OEM repair databases
You can also ask directly how OEM collision repair procedures apply to your vehicle.
If you want a clearer understanding of OEM repairs overall, this guide breaks it down.
Why OEM Procedures Protect Long-Term Value
A proper repair does more than fix visible damage, it also protects your vehicle’s long-term value.
When repairs follow OEM standards:
- Vehicles are more likely to pass inspections
- Lease return requirements are easier to meet
- Buyers have more confidence in repair quality
Poor repairs can lead to issues that show up later, like uneven panel gaps, corrosion, or malfunctioning safety systems, and these problems can affect resale value and create additional costs down the line.
FAQs About OEM Collision Repair Procedures
What are OEM collision repair procedures?
OEM collision repair procedures are manufacturer-approved instructions that guide how a vehicle should be repaired after a crash to restore safety and performance.
Why are OEM repair procedures important?
OEM repair procedures are important to make sure that structural components, safety systems, and materials are repaired correctly, and helping the vehicle perform as designed in future driving conditions.
Do all body shops follow OEM procedures?
No, some body shops take shortcuts or rely on general methods instead of manufacturer-specific repair guidelines.
Are OEM repair procedures required by law?
OEM repair procedures are not always legally required, but they are often tied to insurance standards, liability, and best practices for safe repairs.
How do technicians access OEM repair information?
Technicians use manufacturer portals, subscription databases like ALLDATA, and training programs such as I-CAR to access up-to-date OEM repair procedures.
Get Your Repair Done the Right Way
If your vehicle has been in a collision, the repair process matters as much as the result.Book an OEM-standard repair assessment with Craftsman Collision to understand exactly what your vehicle needs.
