I have a 98 S70 and its time to flush the transmission again (27K miles ago). Last time I disconnected the hose at the tranny (using claw wrench)...this time I want to do it using the top hose on the cooler. I know that when you do it this way that you are not flushing the cooler since the top hose goes to the cooler, but could I fill new fluid through the open fitting on the top of the cooler and then be flushing the cooler with it? Or is that a backwards way of thinking about it. I would like to do the cooler too as I'm going to synthetic fluid now.
thanks.
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