Automatic Transmission Service

Step by step service guide on how to service an automatic transmission, this article pertains to most vehicles but was performed on a 2002-2007 Saturn Vue.

Difficulty Scale: 3 of 10

Tools and Supplies Needed

  • Transmission fluid
  • Transmission filter service kit (if equipped)
  • Socket set
  • Fluid funnel
  • Protective eyewear and gloves

Automatic Transmission Service Video

Step 1 - Locate transmission drain plug or fluid pan.

Locating Transmission Drain Plug

Step 2 - Once located loosen the drain plug and get ready for the fluid to drain out by having a catch basin ready for the old fluid.

Loosen Drain Plug

Step 3 - After the drain plug has been removed the used fluid will pour out. Have a catch basin ready.

Old Transmission Fluid Draining Out


Written by
Co-Founder and CEO of
35 years in the automotive repair field, ASE Master Technician, Advanced Electrical and Mechanical Theory.


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Article first published (Updated 2015-01-05)