Power steering cooing sound when cold

[mudnut]

On a level surface, chock the rear wheels with the handbrake on. Jack up the front and put it on stands.

Take off the low pressure line at a suitable join. (Clean the join first). Make sure you have a container under the join as you undo it.

Block the reservoir end and tie the low pressure line so it is pointing into a bucket. I used a piece hose that I kinked and over and squashed closed with a hose clamp as a plug.

Hint: make sure the hose is properly tied to the bucket or it will flick out and drown the surface you are working on.

Unlock the steering and turn it from side to side. It should pump the old fluid out. Top up the res so it doesn't get air bubbles in the line.

Keep pumping through the fluid until it comes out clean.

Refit the hose and top up the res. Turn on engine and turn the steering wheel from side to side. Check fluid level and top it up.

Take the vehicle for a short drive, and check the level.

You might have to do it a couple of times to completely flush out the old fluid.