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How do you change the oil on an Oldsmobile Alero 1999?

Changing the oil on a 1999 Oldsmobile Alero is similar to most other cars, but always refer to your owner's manual for specific details and torque specifications. This is a general guide, and you proceed at your own risk. If you're uncomfortable doing this yourself, take it to a professional.

Tools and Materials You'll Need:

* New oil: Consult your owner's manual for the correct type and amount (typically 4-5 quarts). Use the recommended viscosity (e.g., 5W-30).

* New oil filter: Again, check your owner's manual for the correct filter.

* Oil filter wrench: The type depends on your oil filter; a cap-type wrench or strap wrench are common.

* Wrench for drain plug: This is usually a 13mm or 14mm socket. Double check your manual.

* Drain pan: Large enough to hold at least 5 quarts of oil.

* Funnel: To pour the new oil into the engine.

* Jack and jack stands (highly recommended): Never work under a car supported only by a jack.

* Wheel chocks: For added safety.

* Gloves: To protect your hands.

* Rags or paper towels: For cleaning up spills.

Procedure:

1. Warm up the engine: Run the engine for 5-10 minutes to warm the oil, making it flow more easily. Don't let it get too hot to touch, though.

2. Prepare the car: Park on a level surface, engage the parking brake, and chock the wheels. Locate the oil drain plug underneath the engine (usually near the oil pan).

3. Jack up the car and secure it: Use the jack and jack stands to lift the car safely. Place the jack stands securely under the frame, not the oil pan.

4. Locate the drain plug and oil filter: The drain plug is usually on the bottom of the engine's oil pan. The oil filter is typically located near the top of the engine.

5. Drain the old oil: Position the drain pan under the drain plug. Carefully loosen and remove the drain plug using the appropriate wrench. Let the oil drain completely. This can take 15-20 minutes. Be careful; the oil will be hot.

6. Replace the oil filter: Use the oil filter wrench to loosen and remove the old oil filter. Lightly lubricate the rubber gasket of the new filter with fresh oil. Screw on the new filter by hand, tightening it according to the instructions on the filter (usually about ¾ to 1 full turn after the gasket contacts the engine).

7. Replace the drain plug: Once the oil has finished draining, carefully replace the drain plug and tighten it securely with the wrench, but don't overtighten.

8. Lower the car: Carefully lower the car using the jack.

9. Add new oil: Remove the oil fill cap (usually located on top of the engine). Use the funnel to pour in the correct amount of new oil as specified in your owner's manual.

10. Check the oil level: Use the dipstick to check the oil level. Add more oil if needed to reach the "full" mark.

11. Run the engine: Start the engine and let it run for a few minutes. Check for any leaks around the drain plug and oil filter.

12. Check the oil level again: After running the engine, turn it off and wait a few minutes for the oil to settle. Check the oil level again using the dipstick and add more oil if necessary.

13. Dispose of used oil properly: Take the used oil to a recycling center or auto parts store that accepts used oil for proper disposal.

Important Considerations:

* Owner's Manual: Always consult your owner's manual for specific instructions and torque specifications.

* Safety: Always prioritize safety. Use jack stands, work in a well-ventilated area, and wear appropriate safety gear.

* Disposal: Dispose of used oil and filter responsibly.

This is a general guide. Improper oil changes can damage your engine. If you are unsure about any step, consult a professional mechanic.