Jack Stands vs Floor Jacks: Differences, Safety Tips & When to Use Each
When it comes to DIY car maintenance, lifting your vehicle safely is one of the most critical steps. Whether you’re changing oil, replacing brake pads, or inspecting underbody components, the tools you use can make all the difference—not just in efficiency, but in safety. Two of the most commonly used tools are floor jacks and jack stands. While they’re often mentioned together, they serve very different purposes.
Understanding the differences between jack stands and floor jacks—and knowing when to use each—can help prevent serious accidents and ensure your DIY repairs are done right.
What Is a Floor Jack?
A floor jack is a hydraulic lifting tool designed to raise your vehicle off the ground. It’s typically mounted on wheels, making it easy to slide under your car and position correctly at designated lift points.
Key Features:
- Hydraulic system for smooth lifting
- Portable and easy to maneuver
- Ideal for quickly lifting one side or end of a vehicle
Floor jacks are incredibly useful when you need to elevate your car for a short period—like removing a tire or gaining access to components underneath. However, they are not designed to hold the vehicle in place for extended periods.
What Are Jack Stands?
Jack stands are sturdy, fixed supports that hold your vehicle in place after it has been lifted. Unlike floor jacks, they don’t have wheels or hydraulic components. Instead, they rely on a solid base and locking mechanism to keep your car elevated securely.
Key Features:
- Adjustable height settings
- Heavy-duty steel construction
- Designed for stability and long-term support
Once your vehicle is lifted using a floor jack, jack stands are placed underneath to support the weight. This allows you to work safely without relying on the hydraulic system of a jack.
Key Differences Between Floor Jacks and Jack Stands
1. Purpose
- Floor Jack: Used for lifting
- Jack Stands: Used for holding
2. Safety Role
- Floor Jack: Temporary support only
- Jack Stands: Essential for safe, extended work
3. Stability
- Floor Jack: Can shift or fail under pressure
- Jack Stands: Built for maximum stability
4. Usage Time
- Floor Jack: Short-term use
- Jack Stands: Long-term support
Why You Should Never Rely on a Floor Jack Alone
This is where many DIYers make a dangerous mistake.
A floor jack uses hydraulic pressure to lift your vehicle—but that pressure can fail due to:
- Hydraulic leaks
- Improper positioning
- Sudden shifts in weight
If a floor jack fails while you’re underneath the vehicle, the consequences can be severe. That’s why professionals—and experienced DIYers—always use jack stands as a backup support system.
Bottom line:
A floor jack lifts your car. Jack stands keep it from falling on you.
When to Use Each Tool
Use a Floor Jack When:
- You need to lift your vehicle quickly
- Performing tire changes
- Positioning the car onto jack stands
Use Jack Stands When:
- Working underneath the vehicle
- Performing brake, suspension, or exhaust repairs
- Any task that requires extended time under the car
Best Practice:
Always use both together—never one without the other.
Step-by-Step: Safe Lifting Process
1. Park on a flat, solid surface
Avoid slopes or uneven ground.
2. Engage the parking brake
This prevents the vehicle from rolling.
3. Position the floor jack correctly
Use manufacturer-recommended lift points.
4. Lift the vehicle slowly
Ensure stability as you raise it.
5. Place jack stands under support points
Adjust them to the correct height.
6. Lower the vehicle onto the jack stands
Ensure the weight is fully supported.
7. Give the car a gentle shake
This confirms stability before you start working.
Common Mistakes to Avoid
- ❌ Using a floor jack as the only support
- ❌ Placing jack stands on uneven or soft surfaces
- ❌ Positioning stands incorrectly under weaker section
- ❌ Exceeding the weight capacity of your tools
Taking shortcuts with lifting equipment is one area where DIYers should never compromise.
Choosing the Right Equipment
Not all jacks and stands are created equal. When selecting tools, consider:
- Weight capacity: Match or exceed your vehicle’s weight
- Build quality: Look for durable, heavy-duty materials
- Lift range: Ensure it suits your vehicle height
- Safety certifications: Always a plus for peace of mind
Investing in reliable equipment isn’t just about convenience—it’s about protecting yourself.
Final Thoughts
Working on your vehicle at home can be incredibly rewarding, but safety should always come first. Understanding the roles of floor jacks and jack stands is a fundamental part of responsible DIY auto care.
A floor jack gets your car off the ground—but jack stands keep it there safely. Using both tools correctly ensures that your time under the vehicle is productive, not risky.
Get the Right Tools at West Can Auto Parts
At West Can Auto Parts, we carry a wide range of high-quality floor jacks and jack stands designed for both DIYers and professionals. Whether you’re tackling basic maintenance or more advanced repairs, our team can help you find the right tools for the job.
Shop online, visit one of our store locations across British Columbia, or speak with our knowledgeable staff to get expert advice and dependable products.
Disclaimer:
This blog is for educational and informational purposes only. For accurate diagnosis and proper vehicle repairs, always consult a certified automotive technician.
