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The Water Cooler
General Discussion
Whats the scare about Automatic Transmission Flushes???
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<blockquote data-quote="4play" data-source="post: 1859419" data-attributes="member: 7223"><p>Old fluid is contaminated with clutch debris and fine metal particals, along with broken down additives and poor viscosity. There is nothing in old fluid that has any benefit to the life of a transmission or how long it lasts. </p><p></p><p>Most if not all flush machines simply hook inline through a cooler line and they take out old fluid on one side of the line and replace with new fluid on the other side of the line. There may be a flush chemical (detergent) that gets installed before the fluid exchange and possibly an additive installed during or after the fluid exchange. I dont think any of the machines can run fluid backward since a lot of transmissions have check valves in place to prevent that, plus you would be working against the fluid pump.</p></blockquote><p></p>
[QUOTE="4play, post: 1859419, member: 7223"] Old fluid is contaminated with clutch debris and fine metal particals, along with broken down additives and poor viscosity. There is nothing in old fluid that has any benefit to the life of a transmission or how long it lasts. Most if not all flush machines simply hook inline through a cooler line and they take out old fluid on one side of the line and replace with new fluid on the other side of the line. There may be a flush chemical (detergent) that gets installed before the fluid exchange and possibly an additive installed during or after the fluid exchange. I dont think any of the machines can run fluid backward since a lot of transmissions have check valves in place to prevent that, plus you would be working against the fluid pump. [/QUOTE]
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Whats the scare about Automatic Transmission Flushes???
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