topichka Posted October 8, 2006 Share Posted October 8, 2006 I currently have Pennzoil multi-vehicle tranny fluid in my gs right now. I want to switch it back to Toyota Type IV but don't know whether I should drain and fill to slowly change the fluid or to do a complete flush. The car has over 120K on her and shifts fine. I had a tranny flush done at 88K miles but didn't realize at the time I should stick to Type IV. SInce I've done one flush and everything was ok, is it safe to assume another flush would be fine as well? Thanks in advance. Quote Link to comment Share on other sites More sharing options...
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