Yes, it is generally recommended that a truck be level when changing the oil to ensure proper drainage.
According to the reference, the process begins by instructing: "Park vehicle on level surface..." This is a crucial first step before performing the oil change.
Why Level Matters
Changing your truck's oil while it is parked on a level surface helps gravity work effectively. The oil pan is designed to collect used oil at its lowest point, which is typically where the drain plug is located.
- Optimal Drainage: When the truck is level, the drain plug is at the absolute lowest point of the pan, allowing the maximum amount of old, dirty oil to drain out.
- Accurate Refill: After draining, refilling the correct amount of new oil is easier and more accurate when the truck is level, preventing over or under-filling.
While the reference also mentions potentially raising the front of the vehicle by driving it onto a ramp or using a jack and jack stands "If necessary," this is usually done to provide sufficient clearance for accessing the drain plug and filter, not necessarily to change the draining angle for optimal results. The initial and primary recommendation from the reference is to start on a level surface.
Essential Steps for Oil Change Preparation
Based on the provided reference and standard safety practices, here are key steps before you begin draining the oil:
- Park on a Level Surface: Find a flat, stable area.
- Engage Parking Brake: This prevents the truck from rolling.
- Turn Off Engine: Ensure the engine is not running.
- Allow Engine to Cool Slightly: While warm oil drains better, extremely hot oil is a safety hazard. Wait a few minutes after shutting off the engine.
- Use Ramps or Jack Stands (If Needed for Access): If you need more room to work, use sturdy ramps or a jack and jack stands.
- CAUTION: As the reference explicitly states: NEVER GET UNDER A VEHICLE SUPPORTED ONLY BY A JACK! Always use jack stands or ramps designed for the weight of your truck.
By following these steps, starting with a level surface as recommended, you help ensure a more complete oil drain and a safer working environment.
