The Oil Change Process: What to Expect During Your Next Service Visit

Wondering What Happens During an Oil Change?

If you’ve ever dropped off your car for an oil change and wondered what the mechanic was actually doing under the hood, you’re not alone. While it may seem like a routine task, the oil change process plays a critical role in your vehicle’s health. Understanding what happens during a professional service can help you appreciate its value—and spot when something’s missing.

🔍 Step 1: Vehicle Inspection and Preparation

Your service visit usually begins with a basic inspection. Technicians check fluid levels, tire pressure, and look for any obvious issues. Then, your vehicle is lifted using a hydraulic lift or ramps for easier access to the oil pan and filter.

🛢️ Step 2: Draining the Old Oil

The technician removes the oil drain plug from the oil pan, allowing the old oil to drain into a catch basin. This used oil is typically dark, dirty, and full of engine contaminants—precisely why timely oil changes are essential.

🔧 Step 3: Replacing the Oil Filter

The old oil filter, which collects particles and sludge, is removed and replaced with a fresh one. The technician applies new oil to the filter’s gasket before installation to ensure a tight seal.

⚙️ Step 4: Adding New Oil

The correct grade and amount of new oil is poured into the engine. The technician consults your vehicle’s manual to ensure compatibility, whether it’s conventional, synthetic, or a blend.

✅ Step 5: Final Checks and Cleanup

After topping off the oil, the engine is briefly run to circulate it through the system. The mechanic checks for leaks, rechecks oil levels, and usually offers a printed report showing what was done.

Why It Matters: A Small Service with Big Impact

A routine oil change might take only 30–45 minutes, but it’s one of the most cost-effective ways to extend your engine’s life, improve gas mileage, and reduce wear and tear. Skipping it can lead to sludge buildup, overheating, and expensive repairs.

🛠️ Next time you schedule an oil change, know that you’re doing something big for your engine—one quart at a time.

READ MORE:

Oil Change Process Breakdown: Choosing the Right Oil for Your Vehicle

DIY Oil Change Process: How to Change Your Car’s Oil at Home