Subaru Forester Power Steering Pump O Ring

The air being pulled into the pump will cause a lack of power steering and buzzing noise as the air disrupts the fluid.

Subaru forester power steering pump o ring.

Oem subaru power steering pump connector o ring impreza sti legacy 34439ae021. Slip the new o ring on the fitting. Replace the fan belt shroud an tighten the 10mm bolt and 10mm nut. Subaru o ring 34439fg000 for 03 08 foresters.

This is a common problem after installing the new turbo inlet. The o ring was too thin and power steering fluid was leaking from the join even before i started my engine. Replace and tighten the 10mm bolt. Do not start the engine until the system is fully bled doing so may cause damage to the power steering components.

O ring fit perfect. I installed the new o ring and swapped out the power steering fluid and this resolved the whirring sound problem. Installed a few days ago in 2016 wrx sti. Pump internals are metal to metal so any air in the system can cause metal to metal contact and resulting damage.

In this video i attempted to fix my 2014 wrx sti by replacing the o ring in the power steering line that is known to go bad. I figured it was the o ring or the power steering pump. This o ring is most likely interchangable between many models but always check for a vehicle specific part. 2004 2019 subaru impreza wrx sti power steering pump o ring seal 34439fg000 oem.

I later ordered genuine part 34439fg000 from subaru dealer. High pitched whirring when turning the steering wheel was my issue. Car is good to go. After installing the turbo inlet on my wife s wagon the steering started whining groaning.

How to bleed subaru power steering systems. If it still squeaks after the o ring swap you may have excess air in the power steering system and may need to bleed it. Replace all hose clamps with new clamps 3. Re seat the fitting and other bracket pieces to seal the reservoir.

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