Why DIY Oil Changes Save Money
A professional oil change costs $50-150. Doing it yourself costs $25-50 in supplies. Over several years, DIY changes save hundreds of dollars. The process is straightforward, safe, and empowering for any vehicle owner.
Safety Considerations
- Never work under a running engine
- Allow engine to cool 5-10 minutes before draining
- Wear gloves and eye protection
- Properly dispose of used oil (never in trash or drains)
- Lift vehicle safely on level ground with quality jack stands
Tools & Supplies You'll Need
Essential Tools
- Vehicle jack and jack stands
- Oil drain pan (18-liter capacity minimum)
- Socket wrench for drain plug (varies by vehicle)
- Oil filter wrench (adjustable or cartridge-specific)
- Fresh oil (correct type and viscosity for your vehicle)
- Replacement oil filter
- Replacement crush washer for drain plug
- Ramps (alternative to jack and stands)
Optional but Helpful
- Torque wrench (for precise drain plug tightening)
- Oil filter cartridge tool (for some filter types)
- Shop towels or rags
- Funnel (to reduce spills)
Step-by-Step Oil Change Process
Step 1: Prepare Your Vehicle
Start with a warm engine (but not hot). Warm oil drains faster and carries more contaminants. Park on level ground, engage the parking brake, and place blocks behind the rear wheels for safety.
Step 2: Lift the Vehicle
Using a quality jack, lift one side of the vehicle. Always use jack stands, never rely solely on a jack. Place stands under solid frame points. Lower the vehicle onto the stands and verify it's stable before working underneath.
Step 3: Remove the Splash Guard
Most modern vehicles have plastic splash guards protecting the engine bay underside. Remove bolts holding the guard and set aside. This provides access to the drain plug and filter.
Step 4: Locate and Remove the Drain Plug
Position your drain pan beneath the plug. Using the correct socket size, loosen the plug by a half turn, then unscrew by hand (watch for hot oil). Allow oil to drain for 5-10 minutes. Wipe the plug threads and inspect the crush washer. Always use a fresh washer.
Step 5: Reinstall the Drain Plug
Install the fresh crush washer on the plug. Thread by hand first, then tighten with a socket wrench. Use a torque wrench to tighten to manufacturer specifications (typically 25-35 ft-lbs). Don't over-tighten.
Step 6: Remove the Old Filter
Position the drain pan to catch residual oil. Use an oil filter wrench to loosen the filter, then spin by hand. Expect significant oil to drain from the filter housing. Inspect the filter mounting surface for rubber gasket remnants. Wipe clean.
Step 7: Install the New Filter
Fill the new filter halfway with fresh oil. Apply a thin film of new oil around the rubber gasket. Screw the filter hand-tight until the gasket contacts the mounting surface, then add three-quarter turn more. Don't use a wrench for the final installation.
Step 8: Lower the Vehicle
Carefully lower the vehicle off the jack stands. Replace the splash guard. Check underneath for leaks around the drain plug and filter.
Step 9: Add Fresh Oil
Open the hood. Locate the oil filler cap (marked with an oil can symbol). Remove it and insert a funnel. Slowly pour the recommended amount of fresh oil. Refer to your manual for the correct quantity (typically 4-6 quarts).
Step 10: Check the Level
Wait 2-3 minutes for oil to drain into the pan, then check the level with the dipstick. The level should reach the full mark. Top up if necessary.
Step 11: Start and Inspect
Start the engine and let it idle for 30 seconds. Check the dashboard for oil pressure warning lights. Turn off the engine and wait 2-3 minutes, then recheck the dipstick level.
Common Mistakes to Avoid
- Forgetting to replace the crush washer (causes leaks)
- Over-tightening the drain plug (strips threads)
- Over-tightening the oil filter (damages gasket)
- Using wrong oil viscosity (check manual)
- Improper vehicle lifting (safety hazard)
The Crush Washer is Not Optional
Reusing the old crush washer is a common cause of oil leaks. Budget $2-3 for replacement washers and always use a fresh one. This small investment prevents oil leaks and protects your engine.
Used Oil Disposal
Never pour used oil down the drain or into trash. Most oil retailers (Walmart, AutoZone, NAPA) accept used oil for free. Some charge a small fee. It's also recyclable, making responsible disposal good for the environment.