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Old 07-01-2019, 07:46 PM
dieselworks dieselworks is offline
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Join Date: Jan 2013
Location: Pueblo, CO
Posts: 123
I saw a video on your tube that explains when it isn't wise to flush the transmission. It's when the transmission fluid is very dark. If dark the fluid has clutch particles that when removed will allow the clutches to slip. Otherwise you'll be having to rebuild the transmission.
I've also heard about dislodging crud in the valve body and the transmission won't shift properly.
But if the transmission fluid is still pink you needn't worry about a flush.
Back in the old days you would pull the transmission stick and look and smell to check the condition of the fluid.
My experience...i have yet to find a transmission with dark/burnt fluid. But one should always check.
Roddy

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