Introduction
We’ll show you how to change the oil in your rear differential on a Subaru Impreza WRX! This tutorial suits most Subaru vehicles, as they share the same differential casings and design.
Before starting, ensure your vehicle is level.
Difficulty Rating
Tools/Parts Required
- Differential Oil – 0.8L
- 13mm Square Drain Socket (Don’t use 1/2″ tools, it will strip the thread)
Warning
Work at your own risk. This work is inherently dangerous and must only be carried out by a qualified mechanic.
AutoInstruct will not be held responsible for damage to your vehicle or personal injury / death as a result of the information we provide.
AutoInstruct will not be held responsible for damage to your vehicle or personal injury / death as a result of the information we provide.
Step 1
Using the 13mm square socket, open the fill hole (1) before draining the oil. This ensures we won’t be stranded it the thread is seized
Step 2
Open the drain hole (2) and drain the oil. Once drained, reinstall the bolt and tighten.
Step 3
Fill the diff with oil until it overflows back out through the fill hole. Re-insert the bolt and tighten.
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