I read about that from time to time, and I wonder that it isn't more that people begin to perceive that their tranny is developing issues, so they then change the neglected fluid in an effort to forestall a breakdown that was coming anyway and then when it inevitably happens they blame the maintenance instead of the neglect. I suppose it could be that the superior properties of the fresh fluid loosen some crap in there or return pressures to spec levels that the equipment can no longer handle, but I think the bottom line is that those units were headed for a rebuild anyway. If somebody advised you not to change your engine oil because "it ain't broke", what would you say to that, and what's the difference? Cya, Robert On Aug 9, 2010 7:55 AM, "J Stewart" <fonman4277@comcast.net> wrote: > I've wondered the same. It has been my experience on 2 vehicles that when auto trans fluid that has gone way past it's change interval is changed the trans fails shortly after. On my '85 that I've owned now for about 2 months I have no idea how long it has been since the ATF was changed. The fluid looks OK and the trans shifts fine, so i tempted to just leave it alone. > > > > Jeff Stewart > > > ----- titantic01@AOL.COM wrote: > > > > > I have read a lot of posts on transmissions both manual and auto lately and I have a question about my automatic on my 1987 van. The tranny was rebuilt about 10 yrs ago by my then mechanic from top to bottom and it is doing great. My question is: Should I change the fluid and filter or, leave it alone. the fluid still is red just like it came out of the bottle and it never needs topping up. > > My Dad always had the idea that "If it ain't broke, don't fix" However I also believe in preventative matience. > > Waiting for your great advice here. > > Chris S. |
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