Wheel Chocks When Jacking Up Car Guide for Safe Vehicle Maintenance

Jacking up a car looks simple until it isn’t.

A slight slope, a loose handbrake, or even a small misstep can turn a routine tyre change into a serious safety incident. That’s why using wheel chocks when jacking up car is not optional it’s basic safety discipline.

The reality is this: a jack lifts the car, but it does not stabilise it. Wheel chocks do.

Whether you’re changing a tyre in your driveway or working in a workshop, wheel chocks are what stop the car from rolling while one side is raised.

Why Wheel Chocks Are Critical When Jacking Up a Car

Prevent Vehicle Rollaway

When a car is lifted, weight shifts. If the remaining wheels are not secured, the vehicle can move unexpectedly.

Common causes include:

Slight driveway slope
Loose or weak handbrake
Gear not properly engaged
Weight redistribution during lifting

Protect You While Working Under the Vehicle

Even a small movement can cause:

Jack instability
Vehicle slipping off support points
Serious injury risk

Stabilise Remaining Wheels

Wheel chocks lock the wheels that stay on the ground, creating a fixed base.

Where to Place Wheel Chocks When Jacking Up a Car

Correct placement matters more than most people realise.

If Jacking the Front of the Car

Place wheel chocks behind the rear wheels.

If Jacking the Rear of the Car

Place wheel chocks in front of the front wheels.

On a Slope

Use chocks on both sides of at least one axle for maximum stability.

Best Types of Wheel Chocks for Car Jacking

Rubber Wheel Chocks

Most reliable option for driveway and workshop use.

Why they work:

High friction grip on concrete
Heavy enough to resist movement
Durable under repeated load

Polyurethane Wheel Chocks

A more advanced option for frequent use.

Benefits:

Resistant to oil and chemicals
Lightweight but strong
Long service life

Low Profile Wheel Chocks

Ideal for sports cars and lowered vehicles.

Mobile Wheel Chocks With Handle and Sign

In workshop or professional environments, visibility and fast deployment matter.

Mobile wheel chocks with handle and sign systems improve safety by making restraint placement quicker, more visible, and easier to handle.

Key Features

Heavy-duty industrial construction
High visibility warning sign
Extended handle system
Suitable for heavy and light vehicles
Improved workplace safety
Faster deployment and removal

Explore here:
Mobile Wheel Chock With Handle and Sign

Common Mistakes When Jacking Up a Car Without Proper Chocks

Relying Only on Handbrake

Handbrakes can fail or loosen under load shift.

Using Incorrect Placement

Wrong side placement reduces effectiveness significantly.

Using Lightweight or Worn Chocks

Cheap plastic chocks can slip under pressure.

Jacking on Uneven Surfaces

Even small slopes increase movement risk.

Not Chocking Both Ends on Slopes

One chock is often not enough in real-world conditions.

Step-by-Step Safe Jacking Process

Step 1: Park on Flat Ground

Avoid slopes whenever possible.

Step 2: Engage Parking Brake

Always use the brake as the first safety layer.

Step 3: Place Wheel Chocks

Position chocks on the opposite axle of the lifting point.

Step 4: Loosen Lug Nuts Slightly

Do this before lifting the vehicle.

Step 5: Jack the Vehicle Carefully

Lift slowly and steadily.

Step 6: Use Jack Stands

Never rely only on a hydraulic jack.

Who Needs Wheel Chocks for Car Jacking?

Home Mechanics

DIY tyre changes and repairs.

Workshops

Daily servicing and maintenance operations.

Fleet Operators

Light commercial vehicle maintenance.

Car Enthusiasts

Performance and modification work.

Choosing the Right Wheel Chocks for Your Car

Consider:

Vehicle weight
Tyre size
Driveway slope
Frequency of use
Surface grip conditions

If you regularly work on vehicles, upgrading from basic chocks to industrial-grade options is a smart safety move.

Explore industrial safety solutions:
Sands Industries Industrial Supplies

FAQs

Do I really need wheel chocks when jacking up a car?

Yes. They prevent the vehicle from rolling while it is lifted.

Where do I place wheel chocks when lifting a car?

Opposite the wheels being lifted—front or rear depending on jack position.

Can I use bricks instead of wheel chocks?

No. Bricks can crack or slip under load.

Are wheel chocks necessary on flat ground?

Yes, because even flat surfaces can shift under weight change.

What is the best material for car wheel chocks?

Rubber or polyurethane offers the safest grip and durability.

Conclusion

Using wheel chocks when jacking up car is one of the simplest but most important safety steps in vehicle maintenance. They stabilise the vehicle, prevent unexpected movement, and reduce the risk of injury or damage during lifting operations.

If you’re working on cars at home or in a workshop, wheel chocks aren’t optional equipment—they’re basic safety insurance.

Contact Information

Sands Industries & Trading Pty Ltd
Unit 27/191, McCredie Avenue, Smithfield, NSW 2175

Phone: +61 4415 9165 | +61 477 123 699

Sales: sales@sandsindustries.com.au