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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#76 of 99 Tranny Changes by mcalcankiller Jun 04, 2002 (3:55 pm)
I'm an old timer..........been servicing my own vehicles for years. It never seems to amaze me how many people I know never change the tranny fluid. I do mine every 2 yrs-same as the antifreeze flush. I do the pan + new filter + drain routine. Just a hint: my 1997 E150 has a drain for both the pan and torque convertor. It took over 10 qts to refill. Most of the Jap cars have a drain plug. I will drain the Toyota each year (3-4 qts) and the E150 each 2 yrs because I can get 90% out of the E150. Most USA cars have no drain plugs; nesessitating the addition of a drain plug after the 1st time I drain & change the filter. I'm a nut with fluid changes: Antifreeze, ATF, Rear Differential, Power steering, and brake fluid every 2 yrs. Engine oil: 3K + filter. Fram is junk. Use the Purolator or OEM. Fram went to Mexico yrs ago. When I switched to Purolator about 5 yrs ago I discovered both my /6 Chrysler and Toyota Minivan stopped clattering upon startup. The Frams had cheap valves. I use dino oil (Castrol or Valvoline).
#77 of 99 4L60E armtdm by joe3891 Jun 05, 2002 (8:19 am)
If your transmission is a 99-01 there is a up graded valve body to preclude TCC valve failure that will burn up a transmission. There is also a cheap fix,either change a spring or block the valve. If your tranmission starts to hard shift go for 1 of the repairs ASAP.
#78 of 99 by alcan Jun 05, 2002 (12:46 pm)
Or buy the improved valve and distribution sleeve from Transgo or Sonnax.
#79 of 99 Toyota Trans Changes by dwbehrens1 Jun 09, 2002 (6:22 pm)
I drain the trans fluid every 10K miles, getting out about one-third of it (2 to 2.5 quarts on Camrys and Corollas) using the drain plug on the trans pan. I change the oil at the same interval using Mobil 1. I change the oil filter when I change the oil and 5K later. I drop the trans pan every 50K to 60K and clean it and install a trans kit (new screen and gasket, $15 to $20 aftermarket). Dino oil for the trans. Synthetic oil for the engine, differential, and transfer case. I have had no drive train problems in over 450K miles with this regimen in Toyota cars and trucks for the last 16 years.
#80 of 99 Overkill by armtdm Jun 10, 2002 (5:03 am)
10K on the tranny. Wow a glutton for punishment. I have a 92 Camry with 145,000. Fluid switched to synthetic at 25,000 with the filter/screen changed. Fluid changed every 30,000 (drain and fill) and filter was again changed (didn't need to but replaced it as after inspection it was fine), only the magnets needed to be cleaned at 142,000. No tranny issues either. I go 7,500 on oil and filter using synthetic. Went 15,000 once but oil analysis was not good.
#81 of 99 dwbehrens by rubicon52 Jun 11, 2002 (4:54 pm)
On your Toyotas does the tranmission drain plug have a gasket like the oil drain plug? If not, how can you be sure the transmission drain plug doesn't leak after you replace the drain plug?
#82 of 99 No gasket by armtdm Jun 12, 2002 (3:29 am)
Slightly different type of plug but no gasket. I put a little gasket sealer on the very back end of the plug but for some reason the plugs where you need a allen head type of socket to remove do not seem to leak. Oil pan plugs whre you use a wrench or socket wrench are more prone to leaks.
#83 of 99 Fluid change on a pan-less/filter-less slushbox... by irishalchemist Jun 12, 2002 (7:12 am)
I usually post in the 626 board, but this one is related to tranny upkeep. As many of you are aware, the L4 626 from 95 has a CD4E (Ford) tranny with no pan to drop and no filter to change (unless you want to take it out of the car, remove the valve assemblies, etc., etc.). Although Ford says that the CD4E required no maintenance, this is pretty much BS. The only solution is the complete flush machines or the 'two-bucket' method. Now, I have been warned that if a tranny has not been serviced for a long time (I have 80K on mine, bought it at 68K, so I think it has 80K with no service), doing a flush may screw things up. Thus, I opted for a less stressful solution. I sucked 2.5 quarts of the old fluid through the dipstick, and added 2.5 quarts of new fluid. I will dirve the car for a day, and then repeat this 4 or 5 times. By then, 80% of the fluid will be new. My idea is that if the detergents in the new fluid are dislodging crap from the tranny, it will not be as dramatic as if I did it all at once, and I would also be removing some of the junk with every drain/refill. My plan is that after I do this and I have given the tranny time to 'adjust' to having new fluid, I will do a regular complete 'two-bucket' flush. I know that it sounds really cumbersome, but is it a reasonable thing to do? Any comments and words of wisdom will be welcomed. G.
#84 of 99 What did the fluid look like that you got out? by armtdm Jun 12, 2002 (9:29 am)

#85 of 99 Instead of changing every 15K, by adc100 Jun 12, 2002 (9:31 am)
I would go with synthetic oil. I'v had two Corsicas where I switched to syn after about 24K. I changed about every 30-40K. One vehicle had 130K and the other 70K with no problems. rubiconno gasket. I just torque them to 20 ft lbs-get the torque value for yours. (20 should be OK though) Believe me, it won't come loose.

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