Diagram to flush power steering fluid - will this work?

[Lewa1200]

Hi everyone, first post. 2009 Hyundai Genesis 4.6L V8 w/ EHPS. The correct PS fluid here is Pentosin CHF202.

I'd like to flush out the old PS fluid while simultaneously filling new PS fluid. I think this method is best because it avoids the introduction of air into the system as long as the reservoir is never allowed to go dry during the drain. This method is much easier on models w/o EHPS because there are 2 ports on the reservoir (one for inflow and the other for outflow). But models w/ EHPS have only a single port (see diagram), so I'm a bit confused as how to implement this method.

I drew out my plan for a simultaneous fill/drain on the attached parts diagram. My question is does this make sense/will this work?

 

[Kraig Wilkinson]

Hi everyone, first post. 2009 Hyundai Genesis 4.6L V8 w/ EHPS. The correct PS fluid here is Pentosin CHF202.

I'd like to flush out the old PS fluid while simultaneously filling new PS fluid. I think this method is best because it avoids the introduction of air into the system as long as the reservoir is never allowed to go dry during the drain. This method is much easier on models w/o EHPS because there are 2 ports on the reservoir (one for inflow and the other for outflow). But models w/ EHPS have only a single port (see diagram), so I'm a bit confused as how to implement this method.

I drew out my plan for a simultaneous fill/drain on the attached parts diagram. My question is does this make sense/will this work?

View attachment 29608

Where does line A go to? Fluid cooler?

 

[scottdk]

I did mine the simple turkey baster method. It's too simple to pass up, at least for me - I've pulled out fluid and added fluid 3 times now to get as much old fluid out and replaced with fresh fluid. Takes two minutes each time.

 

[Kraig Wilkinson]

I did mine the simple turkey baster method. It's too simple to pass up, at least for me - I've pulled out fluid and added fluid 3 times now to get as much old fluid out and replaced with fresh fluid. Takes two minutes each time.

That is too easy. That's what I do for all that kind of stuff brake fluid,power steering etc. I have one that you hook up to compressed air that sucks said fluid out.

 

[Lewa1200]

Where does line A go to? Fluid cooler?

Line A appears to be high-pressure hose coming off the electric power steering motor. The other end of it (next to B) is unlabeled in the original schematic, I don't know where that goes - possibly the fluid cooler?

I did mine the simple turkey baster method. It's too simple to pass up, at least for me - I've pulled out fluid and added fluid 3 times now to get as much old fluid out and replaced with fresh fluid. Takes two minutes each time.

Yeah that's a good technique I was planning to use at the beginning to remove the old stuff in the reservoir before refilling with new PSF and proceeding with the flush method I mentioned above. Unfortunately I don't have an air compressor, so I can't use the fancy tool some shops use to force fluid out for an easy complete flush.

 

[blkout25]

Line A appears to be high-pressure hose coming off the electric power steering motor. The other end of it (next to B) is unlabeled in the original schematic, I don't know where that goes - possibly the fluid cooler?



Yeah that's a good technique I was planning to use at the beginning to remove the old stuff in the reservoir before refilling with new PSF and proceeding with the flush method I mentioned above. Unfortunately I don't have an air compressor, so I can't use the fancy tool some shops use to force fluid out for an easy complete flush.

What method did you use after all? Looking into doing this to my 2011
Was it hard to disconnect the line you mentioned in diagram?

 

[Ozy44]

I just used a 6' of 1/4" clear tubing to siphon the old fluid out of the reservoir into a Gatorade bottle. Refiil and drive it for a couple of days then repeat 3-4 times. Way too much work to disconnect lines for what is basically the same result. LubeGard synthetic at O'Reilly for $14.99 qt. meets Hyundai specs. and is what I used over a year ago.

 

[blkout25]

I just used a 6' of 1/4" clear tubing to siphon the old fluid out of the reservoir into a Gatorade bottle. Drive it for a couple of days and repeat 3-4 times. Way too much work to disconnect lines for what is basically the same result. LubeGard synthetic at O'Reilly for $14.99 qt. meets Hyundai specs. and is what I used over a year ago.

I will do the same then, I already bought Pentosin CHF202 and siphoned once! Reservoir only take a couple of ounces (4 max)!!!