Toyota 90915-20001 Filter Sub-Assy, Oil

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Frequent oil changes are vital for engine maintenance because aging oil can become diluted and contaminated, leading to premature engine wear and reduced performance.

To ensure proper engine maintenance, frequent oil changes are essential for home mechanics, as aging oil becomes diluted and contaminated, leading to premature engine wear. Before initiating this procedure, gather all necessary tools, including a drain pan, rubber gloves, breaker bar, socket, and filter wrench. Additionally, have an ample supply of rags or newspapers on hand for any potential spills. Access to the vehicle's underside is facilitated by using a hoist, ramps, or jackstands. If it's your first oil change, acquaint yourself with the oil drain plug's location underneath the vehicle. Perform this task while being mindful of the engine and exhaust components, as they can become hot during the process. Park the vehicle on a level surface, start the engine to reach its normal operating temperature, and turn it off when warmed up. Remove the filler cap from the valve cover. Raise the vehicle and support it with jackstands, ensuring caution around hot exhaust components. Place the drain pan beneath the oil drain plug and remove the plug using the appropriate tools. Allow the old oil to drain fully and inspect it for metal shavings or chips. After draining, wipe the drain plug clean and reinstall it securely, taking care not to strip the threads. Reposition the drain pan under the oil filter, remove any tools or materials from under the vehicle, and lower it. Loosen the oil filter counterclockwise using a filter wrench, and when loose, use your hands to unscrew it, tilting the open end upwards to prevent spillage. Clean the block's mounting surface thoroughly, removing any old gasket residue if necessary. Ensure the new filter matches the old one, lubricate the new filter's gasket with engine oil, and hand-tighten it until the gasket contacts the seating surface, then provide an additional 3/4-turn. Add new oil through the oil filler cap, pour three quarts of fresh oil, check the dipstick level, and if needed, top up to the appropriate mark. After running the engine for a minute, inspect for oil leaks at the drain plug and filter, tightening if necessary. Recheck the dipstick level, add oil if required, and during initial trips after the oil change, regularly monitor for leaks and maintain the proper oil level. Finally, dispose of the old oil properly by utilizing oil reclamation centers or recycling facilities after it has cooled down and been drained into suitable containers for transport.

Before starting the oil change, consider how you will access the vehicle's underside. You can use a hoist, ramps, or jackstands for this purpose. Additionally, be cautious of hot engine and exhaust components while performing the oil change.

Properly dispose of the old oil through recycling facilities or disposal sites once it has cooled.

Frequent oil changes are the best preventive maintenance for the engine, as aging oil becomes diluted and contaminated, leading to premature engine wear. Before starting the procedure, ensure that you have all the necessary tools, such as a drain pan, rubber gloves, breaker bar, socket, and filter wrench. Access to the underside of the vehicle is improved if it can be lifted on a hoist, driven onto ramps, or supported by jack stands. Familiarize yourself with the location of the oil drain plug before getting under the vehicle. Park the vehicle on a level spot, start the engine, and let it reach its normal operating temperature. Turn off the engine and remove the filler cap. Raise the vehicle and support it securely on jack stands. Place the drain pan under the drain plug and remove the plug using the proper size wrench or socket. Allow the old oil to drain into the pan and inspect it for metal shavings. Wipe off the drain plug and clean the area around the drain plug opening. Reinstall and tighten the plug securely. Move the drain pan under the oil filter and loosen the filter using an oil filter wrench. Unscrew the filter by hand, wipe off the mounting surface on the block, and ensure no old gasket remains. Smear engine oil on the rubber gasket of the new filter and screw it into place. Remove all tools and lower the vehicle. Add new oil to the engine through the oil filler cap and pour three quarts of fresh oil. Wait for the oil to drain into the pan and check the level on the dipstick. If necessary, add enough oil to bring it to the full mark. Allow the engine to run for about a minute and check for leaks at the drain plug and oil filter. Tighten if necessary. Recheck the oil level and add more if needed. After an oil change, check for leaks and proper oil level during the first few trips. The old oil should be discarded at an oil reclamation center or other suitable disposal site.

Frequent oil changes are recommended because engine oil ages over time, becoming diluted and contaminated. This can lead to premature engine wear, making it essential to change the oil regularly to maintain engine health.

Part # 9091520001 is replaced by part # 90915yzzd1, these are made in Thailand.