There are funny stories of nuns and used cars...or otherwise the well known little old lady from Pasadena?
I think I'm right in saying that that vehicle has not gotten a transmission fluid change all in its 80k miles and although the previous owner was not a lead foot, it is clear that some neglection of proper maintenance was not considered.
I drained out the first four quarts. A sort of brown charcoal colored liquid came out. It is safe to say the viscosity was very low, literally like water spilling out the drain.
I don't have time to fumble about to do the set up for a proper full flush, so it is going to be a series of partial exchanges.
4 quarts out and 4 quarts in. It is listed for 9.5 quarts and exchange method is not the best method, but it is easier.
If we drive it around for a bit and do another 4 quarts, it would be about a 50% change. Maybe later in the fall I'll do it again for a 75% total or do the full flush?
I studied up on the method that involves the disconnecting of the output line transmission cooler and running the car to allow the tranny to pump into a bucket... roughly the following...
- locate drain and check bolt
- Start by emptying what is in the drain pan
- Add about 4 quarts
- Hook up the lose to out going line
- Run engine until you see the color go red from the 4 quarts added earlier
- Stop the engine
- Fill up until to first trickle comes out of the check port
- Run transmission shifter from N-D-R and back until operating temp
- Check progress of check port
- If it is a slow trickle, then all is good or if it has stopped, add a little more or if it is gushing, keep draining.
We will see, but for now the 4 quarts will help out. I hope to do that sort of flush that requires my detaching the transmission line as it would be more complete.
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