A little troubleshooting and i discovered the source the leak is originating from the input shaft coming into the rack and pinion gearbox.
Wrx rack and pinion leak.
Depending on the size of the leak you may not necessarily have steering issues with a rack and pinion leak especially if it is a minor leak.
Repair options for a leaking rack and pinion system with power steering rack and pinion leaks are often expensive to fix as the seals are difficult to service even by a mechanic.
The subaru service manual that i found online states for this.
An alternative is a power steering stop leak product.
The symptoms of rack and pinion leak.
This rack will bolt directly in to any 2008 2014 wrx or sti.
Yes you will be adding 1 3 of the bluedevil power steering stop leak 2 3 oz into your power steering reservoir and should expect to see results after approximately 100 200 miles of driving.
The first and the obvious indication of rack and pinion leak is a burning oil smell and a red or pink puddle under the rear side of the engine.
We take 5 8 off each inner and outer it.
Most leaks are solved by replacing the entire rack and pinion system to ensure the system works correctly.
On narrow body 2008 2010 wrx models you will have to shorten the tie rod ends.