Hi all.. I have a 1997 Corolla CE w/Auto with 62K. I'm not that mech minded so forgive any stupidity on my part. I recently decided to flush out the coolant & AT fluid. I went to AutoZone's website and followed their pics. I thought I'd share them with you before proceeding to the main question at hand:
Here's a pic of the coolant after the 1st drain out the the raidiator:
Then I refilled the radiator with distilled water, and ran the engine with the heater on for 10 minutes. The result of the 2nd drain:
Not much of a difference, so I did it a third time. After the 3rd flush, I decided to put in some Prestone Super Flush, and then drained it another 2 times. Then refilled with SuperTech Coolant. I believe I am the 1st one who's flushed the coolant in the car's life ( Im the 2nd owner ).
Fine. So now I mixed the coolant to about a 70% strength in a 1 gallon jug and filled up the radiator and ran the engine then topped it off. The next day I decided to test the coolant with a tester, and found that it's only 'good' for about -20F ( basically, all but 1 of the4 little balls in the tester floated). Should I now drain off some of the coolant and put in just straight coolant until i get the maxium concentration?
It was getting a bit dark so I decided to put off the AT flush until the next day.
I crawled under the car and found the AT plug and carefully drained out the AT fluid into an empty clean Oil change pan. There seems to be 2 different camps on changing AT fluid. Some say you can just drain and refill. Others say to do it this way, which I did. I decided not to 'drop the pan' since I didn't have the gaskets or time really to do it. Having read on some threads that I should keep a careful eye on the amount that drains out, and then replace it with clean AT fluid ( D-III ) which I did. I'm glad I changed the AT fluid! It didnt seem that dirty on the dipstick but the stuff was almost black when it emptied out. I did keep a 4oz sample for possible later analysis. I refilled AT with exact same amount that I drained out, then I started the engine and while holding my foot on the brake, went through all the gears. This is supposed to move the undrained AT fluid out of the transfer case and move it into the drain pan. After this, I drained out again, and replaced. The stuff was still coming out darker than I would have imagined. I'm probably the 1st person the change the AT fluid in this car.
While I was doing this, I started to look for the differential as it is described on the Autozone website, but I couldn't find it!
It's supposed to be above/in front the the AT pan? Here is the pic I took under the car, facing toward the drivers seat underneath.
Maybe it's above and behind the AT case, I didnt look since again it was getting dark and I didn't have the car jacked up and could not see behind it. Could someone verify the location for me?
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