How to Drain the Oil on a John Deere Riding Lawn Mower L100

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Things You'll Need

  • Drain pan

  • Rags

  • Oil filter wrench

The John Deere L100 lawn mower is for homeowners with up to 1 1/2 acres of lawn. It is suitable for light duty hauling a few times a year as well. One way to keep your L100 running efficiently is to change the oil regularly. Part of the oil change is draining the oil on the lawn mower. Draining the mower oil is similar to draining the oil in your car because this mower does have an oil filter.


Step 1

Run the engine for five minutes to allow the oil to warm. Park the John Deere riding lawn mower L100 on a flat, level surface of the yard, driveway or in the garage. Shut the engine off and pull out the ignition key. Lift the hood of the mower.

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Step 2

Place an oil drain pan under the end of the drain valve. The drain valve is on the same side of the engine as the oil filter. The valve is a long piece of pipe coming out from the bottom side of the crankcase. Twist the plug on the end of the drain valve counterclockwise and allow the oil to drain in the pan.


Step 3

Pull the dipstick out of the engine while the oil is draining and wipe it down with a clean cloth. Wrap the dipstick in the cloth and set it out of the way. Wipe the outside of the oil filter where it meets the engine with a rag. This removes the surface dirt, helping to prevent it from getting inside the engine when changing the filter.


Step 4

Twist the drain valve cap clockwise once the oil stops draining. Wipe the end of the valve with the rag to remove any residual oil. Reposition the drain pan under the oil filter. Turn the filter counterclockwise and remove it from the engine. If necessary, use an oil filter wrench to turn the filter. Continue with the rest of the oil change, including installing a new filter and adding the appropriate amount of oil.


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