How to Check Used Car Before Buying - DIY Inspection

Step-by-Step Tutorial: How to Check a Used Car Before Buying

Materials Needed:

1. OBD2 reader
2. Jack
3. Flashlight
4. Tire pressure gauge

Step 1: Check for Trouble Codes with OBD2 Reader

• Plug the OBD2 reader into the car's port under the dash.
• Start the car and check for any trouble codes. Ensure all monitors are OK.
• This step helps you identify any potential issues with the car's systems.

Step 2: Inspect the Underside of the Car

• Park the car on a flat surface.
• Jack up the car and inspect the CV joints, engine, transmission, and suspension components.
• Look for any signs of leaks, damage, or excessive wear underneath the car.

Step 3: Check Body Panels and Seams

• Inspect the seams on the hood and doors to ensure they are aligned and uniform on both sides.
• Look for any signs of repainting or bodywork that may indicate previous damage.
• Ensure that the factory seams are intact and consistent throughout the car.

Step 4: Examine the Exterior Condition

• Walk around the car and inspect the paint for any inconsistencies, dings, or scratches.
• Check the reflections on the paint to identify any signs of previous repairs or touch-ups.
• Note any imperfections that may affect the car's value or performance.

Step 5: Assess the Tires

• Check all four tires for even wear and proper inflation.
• Look for signs of uneven wear patterns or damage that may indicate alignment or suspension issues.
• Use a tire pressure gauge to ensure the tires are inflated to the correct pressure.

Step 6: Take the Car for a Test Drive

• Drive the car for at least 10 minutes in town and 10 miles on the highway.
• Listen for unusual noises like buzzing, humming, or clicking.
• Pay attention to how the car handles at different speeds and road conditions.

Step 7: Consider a Professional Inspection

• If possible, have a mechanic perform a final inspection before making a purchase.
• A professional inspection can uncover hidden issues and provide peace of mind.
• Spending a little extra on a professional inspection can save you money in the long run.

By following these steps, you can conduct a thorough inspection of a used car before buying it, helping you make an informed decision and avoid potential problems in the future.