Transmission fluid change-which method is better? - READ ONLY

99 messages, Last post on Jul 10, 2002 at 6:37 AM

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#49 of 99 Toyota ATF T-IV mixed with dexron III by stans40 Apr 30, 2002 (9:43 am)
3 weeks ago bought a new 2002 camry. Was there when they did the dealer prep. When he checked the ATF after it had been driven a few miles it was still at the cold level. He added some fluid(I don't think it was more than 1/2 quart) to get it up to the hot level. When he checked it was at the first notch of the hot level so I said leave it there since I though it might go up a little more since it had not been driven that far. I then noticed he was using Shell dexron II III ATF. I then went to the parts department and bought some Toyota ATF which also said Dexron II III so I thought every thing was OK. When I got home and looked at my owners manual it said use only T-IV ATF. I called the dealer(50 miles away) and asked if this would hurt my car. The parts man didn't know about T-IV fluid and transferred me to the service department and he didn't know anything about T-IV fluid, but said he didn,t think it would hurt the car . He said I might want to change the fluid at 15,000 miles to be safe. I told them to check on it and let me know. Didn't hear anything from them so I called Toyota customer to ask them if it would hut my car, but the lady couldn't provide any useful information. Then I called the dealer owner and he said he would check on it. He had his customer service man call me, and after he investigated he said they poured the T-IV out of big jugs(I checked and these are 4 liter containers or a little over a gallon) into the quart Shell containers. He also said the man I talked to in service was the assistant and hadn't been briefed on the T-IV. So they aren't going to admit that they put the wrong fluid in my car. So my question is still will putting about 1/2 quart of dexron in my camry do any damage. Even if I drain it it will only get out half the AFT. I think it has a drain plug so they won't have to pull the pan. Any information on this problem will be appreciated.
#50 of 99 Interesting by armtdm Apr 30, 2002 (11:48 am)
Never heard of this new fluid? Toyota specific like Honda?
#51 of 99 Follow up by armtdm Apr 30, 2002 (11:56 am)
Never trust anyone to properly fill your ATF. 99.9% or shops cannot take the time to drive the car 10 miles (as the manual recommends) to heat the fluid up and then check it. You are better off having it underfilled then heating it well and checking yourself and adding up to full. Much easier then an overfill and having to syphon some out etc. I have yet to see any shop get the level correct, independent or dealer. they just do not take the time to do it correctly, Letting it idle ten minutes does not do the job, it has to be driven 10 miles at least, especially if temperature is cold outside,
#52 of 99 tntitan trans oil burnt by hobieslug May 04, 2002 (7:43 am)
titan that guy who told you that you didn't finish the job is right a trans change on hondas only replace approx. 25% of the oil and when it remixes it throughs that % off. 2002 odessey tells you to change the oil 4 times with a short drive in between each change at 30,000 I think all hondas could probably fall under the same maint. scheduale my used honda had a bad color to it so i changed trans oil every eng oil change till it looked healthy again now every 2nd or 3rd oil change i change the trans oil
#53 of 99 nice feature about the honda by gsleve May 04, 2002 (7:51 am)
it has a drain bolt for the transmission like the oil pan , no need to drop pan and change a filter.
#54 of 99 Confused by tntitan May 06, 2002 (6:54 am)
Should I drain my Accord, refill drive a few miles, drain, refill, drive, drain and refill until all is changed out? Or can I drain, refill, start the engine and repeat a couple of times? Or is it better to just drain the 3 qts each motor oil change until the transmission fluid looks ok? Are all of these ways acceptable or does someone know more than someone else? This sounds like something I can easily do myself but I want to do it the right way. Help!
#55 of 99 Honda ATF Change by bburton1 May 06, 2002 (8:17 am)
The owners manual says change ATF at 90K-much too long IMHO. I change at 30K now after getting a tranny code on the CEL at 70K. ATF was burnt and I only do highway driving. One of these days will try to change all the atf by disconnecting the hot side of the ATF cooler and connecting it to a large clear plastic bottle and while running the engine, attempt to put new atf into it at about the same rate as it flows into the jug connected to the atf cooler inlet. Have had a couple of different people suggest this approach. For those people using the machines to change atf-ever wonder how much of their cleaning solvent remains in your tranny-something to think about-betcha it don't meet any atf standard anywhere.
#56 of 99 instead of pouring into air bubbles at the filler... by swschrad May 06, 2002 (5:56 pm)
why not put a hose nipple on a plastic bucket, put it on top of a ladder, run clear hose to the LP side (aka pump suction) of the tranny, and use the pump itself to do the fluid changing? when the hose suddenly isn't red at the top any more, shut the key off in gear so you don't airlock the pump, and connect everything back up. you're going to spill/squirt ATF no matter what you do, so you will want a nice bed of absorbent underneath, and have a place scoped out that can take it for proper disposal. every time I have to try and get liquid down one of those danged skinny "filler necks," I get an airlock from a bubble and lose about half the quart of fluid, anyway. seems like this would be a better resolution. warning, I bet that bucket will empty quickly under pump suction, have somebody atop the ladder ready to yell "look OUT!" when they can almost see the bucket bottom.
#57 of 99 RE: Follow Up, armtdm by sinjin_dog May 07, 2002 (11:35 am)
About 10 month ago, I had my local Toyota dealer flush transmission oil at an expense of $109. After the change, my Previa will make big clunk sound as soon as I let the brake go from a stop to go. Did not know what it was, but check the transmission oil level. It was way above upper part of hot level. I drained it and about 4.3 quarts came out. The manual calls out 2.5 quart capacity. The moral of story, the thunking sound disapeared and convinced that this particular bad dealer did overfilled. Be cautious.
#58 of 99 Overdrive mode does notwork after replacing the AT unit on Mazda 929 by sushko May 08, 2002 (8:55 am)
Anybody knows what can cause the following problem: after the new (52kmiles old) transmission unit has been installed on my 1993 Mazda 929 the overdrive mode does not want to work. The following is observed: 1. I can not fix the “HOLD” button on the AT shifter in neither ON or OFF position 2. The “HOLD” sign on the indicator blinks. 3. When I drive the car, the engine does not shift to the 4-th (overdrive) gear. 4. After resetting computer the symptoms 1 and 2 disappear, but only temporarily -- until the car moves a few meters. Then it all (symptoms 1, 2 and 3 combined) starts over again. Probably, the problem is not a mechanical in origin but rather a failure of some electrical circuits. Mechanic who replaced the tranny has already inspected visually all the electrical connections of the transmission unit but did not find anything wrong. Anyone can help here? Thanks a lot!

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