I have used Topsider on 2 oil changes. First time, I had to get used to it stopping and having to pump up agian but you soon get the "feel" for how long it takes, etc. I really like it, I'm too lazy to crawl under car, take off cover and drain. I have had no problem in getting most of oil out. This last time it sucked out virtually all of the 8.5 quarts. Believe I paid about $45. ordered thru Northern Tool website.

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