Car Fix DIY Videos

In this video, I’ll show you how to perform an easy Subaru STI gear oil change at your own home garage.

You want to ensure your vehicle is running at its best, and regular transmission and rear differential oil changes are key to that. Subaru recommends every 30,000 miles.

I’ll cover the oil I selected and how you can replace it, so you can upgrade your STI’s performance and keep it running smoothly.

Whether you’re a seasoned enthusiast or just starting out, this video is perfect for anyone looking to properly take care of their Subaru. With the right tools and a bit of know-how, you can save some cash and do it yourself, all while enjoying the satisfaction of completing the job properly.

So, grab your Red Line Cocktail and get ready to learn some valuable Subaru tips and tricks to keep your car happy.

Pump 4.3 quarts (2q Lightweight Shockproof & 2.3q 75w-90) into Transmission and 1.1 quarts (75w-90) into Rear Differential.

Maintenance before Mods is key!

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Parts/Tools Used:

1. Red Line 75w-90 – 3 Quarts:

https://www.redlineoil.com/75w90-gl-5-gear-oil

2. Red Line Lightweight Shockproof – 2 Quarts:

https://www.redlineoil.com/lightweight-shockproof

3. Transmission Fill Plug Washer – 803920050

https://parts.subaruonlineparts.com/oem-parts/subaru-gasket-803920050

4. Transmission 10MM Hex Drain Plug Gasket – 803918060

https://parts.subaruonlineparts.com/oem-parts/subaru-drain-and-fill-plug-gasket-803918060

5. Transmission T70 Torx Drain Plug Gasket – 803926090

https://parts.subaruonlineparts.com/oem-parts/subaru-gasket-26-3×32-3×1-803926090

6. Rear Differential Drain & Fill Plug Gasket You Need 2 – 803920050

https://parts.subaruonlineparts.com/oem-parts/subaru-gasket-803920050

7. Pump:

https://www.harborfreight.com/search?q=suction&category=2176&current=1

8. 3/8 Torque Wrench:

https://www.harborfreight.com/38-in-drive-20-to-100-ft-lb-click-torque-wrench-58994.html

9. Square Drain Plug Socket For Rear Diff If Yours Is Not A Regular Bolt:

https://www.torquesolution.com/product-p/ts-tl-708.htm

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Chapters:

0:00 – Intro
0:40 – Level car on jack stands
1:00 – Drain Transmission and Front Differential
1:55 – Cleaning drain plugs and installing new crush washer’s
2:20 – Torque specs for Transmission and Front Diff bolts
2:33 – Filling transmission with oil
3:07 – Moving onto Rear Differential
3:38 – Cleaning drain plugs and installing new crush washer’s
3:51 – Torque specs for Rear Differential
3:55 – Filling Rear Differential
4:14 – Final Tips

#subaru #wrx #sti