Turkey basters don't cut it for me. I was inspired by the trans fluid cooler line flush/change for this. So we'll do this via the PS small hose cooler to reservoir.
Your system looks something like this:
You'll end up doing it look like this:
What you'll need:
2-3 qts of Mercon, Mercon V or a ATF that meets requirements for either (typically much, much cheaper!)
12-18 inches of 3/8 black hose
container to catch fluid (2 empty oil qts)
Power steering fluid change! Unmount the reservoir (8mm socket), lower it so the hoses are facing up (to prevent a spill), disconnect the smaller hose (#9 in the diagram above) where it connects to the cooler, disconnect the larger hose (#4) where it connects to the reservoir. Carefully lift it out and drain. Reconnect larger house, attach extra 3/8 hose to cooler and put other end into empty oil quart. Fill reservoir with Mercon fluid and have assistant start car and quickly turn the steering wheel lock to lock while you quickly pour a qt of Merc V in the reservoir. Yell at them to turn car off. Remove full drain qt. Mmm! Frothy. The whole thing literally takes seconds. Do it again. Disconnect drain hose, reconnect smaller reservoir hose to cooler. Top off with 3rd qt. Turn wheel lock to lock 20 times. Double check fluid is on max line. Forget about it for another 100k.
Post notes: I used some orange hand cleaner on a rag to wipe the reservoir clean. Worked really well.
Some of my hoses were leaking. I replaced #9 (the smaller) and didn't push the bigger one all the way on before clamping it. I think the hose had gotten lazy so hopefully it's in a tighter position now if that makes any sense.
Thanks Oscar for the diagram. Thanks Billy or Jacob for the idea inspired by the tranny cooler line bucket flush.
Tags: Power steering, flush, change, ps change, ps flush,