I’ve used a syphoning method to change the ps fluid. I really want a more complete method for this. Watching some yt videos it seems there are some similarities among power steering systems. One, the return path appears to be low pressure. Two, if this return connection is separated it seems possible to either pump or drain fluid continuously thereby replacing old w new fluid. Do people do this more complete fluid exchange or is the trouble not worth it? The baster or syphon method enables old fluid to be removed and new fluid added. Is this similar to changing transmission fluid in that each drain and fill one could assume that each time about 1/2 the total of fluid is replaced? Does the ps system circulate enough to keep sediment from building in the lowest points of ps system?
John F
2010 Chevy Impala LT 3.5 Flex LZE 3510cc 214.2ci 211hp 216tq
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4,322 Posts
Mine is a 2010 3.5 so come summer I'll follow what @metalmike187 did on his 2008. Unless anyone has done something different that replaces more fluid with new, and can communicate the how-to as clearly as Mike did. This is a great thread.
2010 Chevy Impala LT 3.5 Flex LZE 3510cc 214.2ci 211hp 216tq
Joined
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4,322 Posts
Last September @metalmike187 mentioned 2 quarts was more than enough for a flush with some left for spare. I presume he meant his 2008 LT.
No mention of quantity in my 2010 owner manual, or in either Haynes service manual I have, covering 1995 to 2011.
No mention of quantity in my 2010 owner manual, or in either Haynes service manual I have, covering 1995 to 2011.
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