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How to Check the Automatic Transmission Fluid in a Subaru Legacy

by Alibaster Smith

The automatic transmission fluid in your Subaru Legacy should be checked every six months to make sure that the oil isn't burned and that the oil levels are normal. Many transmission problems on the Legacy can be traced back to low transmission fluid levels. The Legacy uses special transmission fluid in its automatic transmissions that you must either purchase from Subaru or locate an auto parts store which carries fluid approved for use in Subaru transmissions.

Step 1

Start the engine and let it warm up to normal operating temperature. Normal operating temperature is reached when the needle on the water gauge sits in the middle of the gauge between the upper and lower marks.

Step 2

Open the hood and pull out the looped handle in the back of the engine. This is the transmission dipstick.

Step 3

Check the oil level on the end of the dipstick. The oil level needs to be between the upper and lower marks on the end of the dipstick. If the fluid level is low, place a funnel in the filler neck and fill the transmission until the fluid level sits between the marks on the end of the dipstick. Use a rag to wipe up any oil you spill.

Smell the oil on the dipstick. If it smells burned, you need to replace the fluid or have it replaced for you.

Items you will need

  • Transmission fluid (if necessary)
  • Funnel (if necessary)
  • Shop rag

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