Powerflex Mk4 - Non
Join Date: Jul 2011
Location: United Kingdom
So today I decided to test the colour of my fluid with a syringe and it was an off brown dirty mud colour so I thought I had better do something about it!
I syringed out the contents of the reservoir and then disconnected the return pipe. I capped off the reservoir return connector temporarily and clamped a length of clear tube onto the return pipe and into my oil change canister. I then filled the reservoir with green fluid and started the car, it took about 10 seconds to empty the reservoir and for me to see green in the pipe to my oil canister so I stopped the engine, filled up the reservoir again and repeated once more until it was completely green heading into the tank, this time i gave the steering a full lock left and right before I stopped the engine.
I reconnected the return pipe and filled up the reservoir again, started the car and let it run to circulate the green fluid properly. I turned the wheels a couple more times, topped up and then let it settle a while.
I then added my Forte PAS treatment and turned it full lock each way until it was no longer making any noise. I topped up the final levels and left it running for about 10 minutes before a final fluid level check and test drive.
All I can say is wow!
The steering is tight, so quiet and smooth. My front end had become very noisy and I thought I had a potential suspension or bush issue, but I can now confirm it was just the noisy rack that is now silky smooth and super quiet.
I am going to keep an eye out for leeks over the next few days / weeks but have a bottle of Lucas "PAS Stop Leek" in the garage just in case as it seems to be well rated to plug leaks in PAS.
Well worth the 30-45 minutes it took to do.