20 Car Repair Jobs You Can DIY and 10 That Are Best Left to the Experts

Sometimes you can tackle car repairs with a bit of ingenuity and a YouTube tutorial, other times you have to call in the professionals. But how do you know the difference? Here are 20 ways to help you decide when to DIY and when to call a mechanic.

1. Changing Your Oil – DIY

Changing your oil is straightforward with the right tools and a bit of patience. A YouTube tutorial can walk you through the process, saving you the cost of labor at a shop.

2. Replacing Brake Pads – Mechanic

Brake pads are critical for your safety, and while replacing them isn’t extremely difficult, it’s best left to a professional if you’re unsure. A mechanic can ensure everything is fitted correctly and check the overall condition of your braking system.

3. Replacing Windshield Wipers – DIY

Swapping out your windshield wipers is simple and quick. You don’t need any special tools, just follow the instructions on the new wiper package or watch a quick tutorial.

4. Engine Diagnostics – Mechanic

When your check engine light comes on, it’s tempting to ignore it. However, diagnosing the issue requires specialized equipment and expertise, so it’s best to head to a mechanic.

5. Changing Headlights or Taillights – DIY

Replacing a headlight or taillight bulb is usually easy and inexpensive. Check your owner’s manual for the right type of bulb and instructions on accessing the light fixture.

6. Aligning Your Wheels – Mechanic

Wheel alignment requires precise equipment and expertise. Misalignment can cause uneven tire wear and poor handling, so it’s worth paying for professional service.

7. Replacing Air Filters – DIY

Replacing your engine or cabin air filter is a simple task that can be done with minimal tools. It’s usually just a matter of opening the filter compartment, swapping the old filter for a new one, and closing it back up.

8. Fixing Transmission Issues – Mechanic

Transmission repairs are complex and expensive. They require specialized knowledge and tools, so leave this one to the professionals to avoid further damage.

9. Replacing a Dead Battery – DIY

Changing a car battery is straightforward and requires only basic tools. Disconnect the old battery, remove it, install the new one, and reconnect the terminals.

10. Timing Belt Replacement – Mechanic

Replacing a timing belt is a critical job that requires precision. If done incorrectly, it can lead to severe engine damage, so it’s best left to a professional mechanic.

11. Changing Spark Plugs – DIY

Replacing spark plugs is a simple task that can improve your car’s performance and fuel efficiency. Follow a tutorial and ensure you have the correct type of spark plugs for your vehicle.

12. Suspension Repairs – Mechanic

Suspension systems are intricate and critical for vehicle safety. If you suspect issues with your suspension, it’s best to have a professional take a look.

13. Replacing a Flat Tire – DIY

Changing a flat tire is a skill every driver should know. Keep a spare tire, jack, and lug wrench in your car, and practice the procedure so you’re prepared in an emergency.

14. Air Conditioning Repairs – Mechanic

Fixing a car’s air conditioning system can be complicated and often requires specialized tools and refrigerant. A mechanic can diagnose and repair any issues to keep you cool.

15. Refilling Windshield Washer Fluid – DIY

Refilling your windshield washer fluid is a simple maintenance task. Just open the hood, locate the washer fluid reservoir, and top it off with the appropriate fluid.

16. Electrical System Repairs – Mechanic

Car electrical systems are complex and can be dangerous if handled improperly. For issues beyond simple bulb replacements, it’s best to consult a professional.

17. Replacing Cabin Air Filter – DIY

Changing your cabin air filter is usually straightforward. Locate the filter compartment (often behind the glove box), remove the old filter, and insert a new one.

18. Exhaust System Repairs – Mechanic

The exhaust system can be hazardous to work on due to its heat and the toxic fumes it handles. A mechanic has the tools and knowledge to safely repair or replace exhaust components.

19. Fixing Minor Scratches – DIY

Minor scratches can often be repaired at home with a scratch repair kit. These kits are inexpensive and come with instructions to help you buff out the scratches.

20. Replacing Serpentine Belt – Mechanic

Replacing a serpentine belt requires knowledge of the belt routing and tensioner system. A mistake can lead to engine damage, so it’s best to leave this to a professional.

Know When to DIY and When to Call a Pro

Understanding the limits of your skills and tools can save you time and money. By knowing which tasks you can tackle yourself and which require a professional mechanic, you can keep your car running smoothly without breaking the bank.

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For transparency, this content was partly developed with AI assistance and carefully curated by an experienced editor to be informative and ensure accuracy.

The images used are for illustrative purposes only and may not represent the actual people or places mentioned in the article.