veilsideTT Posted December 7, 2003 Share Posted December 7, 2003 Hi people, Ive just had a complete re-seal and change of clutch packs on my 1994 uk auto box. I was always led to believe that you should only ever use the Toyota fluid in the box. When i asked what fluid he had prepped all the parts in during rebuilding. He had used Dexron 3E and filled the box with this after the work had been done. He assured me that the dexron is better than the Toyota fluid and im worrying about nothing. Ive searched on this subject alot over the weekend. Im very worried now! Any input much appreciated Link to comment Share on other sites More sharing options...
Terminator Posted December 7, 2003 Share Posted December 7, 2003 There have been loads of threads about this and associated problems and DexIII is not compatible with Toyota Type IIII ATF fluid. I think the seals and some other parts are not designed to take Dex III. TBH most Toyota dealers will want to stick Dex III in the box because they are not aware of the fluid type required. As the MKIV auto box is one of the best and toughest around, I am sure Toyota meant it when they specified the fluid type. The handbook says Type T-II or equivalent. T-IIII was the replacement for T-II Link to comment Share on other sites More sharing options...
MONKEYmark Posted December 7, 2003 Share Posted December 7, 2003 Originally posted by veilsideTT Hi people, Ive just had a complete re-seal and change of clutch packs on my 1994 uk auto box. I was always led to believe that you should only ever use the Toyota fluid in the box. When i asked what fluid he had prepped all the parts in during rebuilding. He had used Dexron 3E and filled the box with this after the work had been done. He assured me that the dexron is better than the Toyota fluid and im worrying about nothing. Ive searched on this subject alot over the weekend. Im very worried now! Any input much appreciated hi do you have any part numbers? and prices thanks Link to comment Share on other sites More sharing options...
veilsideTT Posted December 7, 2003 Author Share Posted December 7, 2003 MARK part numbers and prices for what? The rebuild or the oil? TERMINATOR So do you think this oil will be ok? Is it possible for me to flush the system completly before i install the box back on the car? Link to comment Share on other sites More sharing options...
veilsideTT Posted December 8, 2003 Author Share Posted December 8, 2003 Anyone???? Pleeeeeeease!!!! Link to comment Share on other sites More sharing options...
Steve W2 Posted December 8, 2003 Share Posted December 8, 2003 Quite a few people on here said ONLY to use type IV. I'm not very technical and am bit of a sheep but I would listen to their points and change the fluid. For fifty quid or so that it will cost you to flush your box its not worth risking it breaking using a different type oil. For what its worth I cant see why it makes such a massive difference but, if its what the guys on here and Mr Toyota say, it's good enough for me:) How much did all that cost though MR Veilside? Link to comment Share on other sites More sharing options...
veilsideTT Posted December 8, 2003 Author Share Posted December 8, 2003 Cost me 525+ VAT for a complete re-seal and clutch packs changed. Dont know if that was too expensive or not??? Im worried now that if i flush the system the will still be some dexron left in there. Apparently the toyota fluid does not under any circumstances mix well with other fluids??? Im very lost with this one!!!! Scott. Link to comment Share on other sites More sharing options...
Steve W2 Posted December 8, 2003 Share Posted December 8, 2003 The Toyota box is VERY strong. I was running my car without any fluid for upto a couple of weeks (not driving lightly either) and then it did start to make some funny noises and feel a bit 'funny' . I put some Dexron III in it and drove it around for a week or so before putting in some Toyota stuff and it seems ok now:conf: I would think yours should be okay. Link to comment Share on other sites More sharing options...
veilsideTT Posted December 8, 2003 Author Share Posted December 8, 2003 That makes me feel a little easier! Thanks for the good advice people! i think i wil just flush it out and put the toyota stuff in. BTW is it possible to flush the box fully without installing it back on to the car? Link to comment Share on other sites More sharing options...
MONKEYmark Posted December 9, 2003 Share Posted December 9, 2003 thanks for info, i just had a gearbox seal go on mine. dont know what seal it is though. they do seem strong boxes. did you just book it in to somewhere and they did all the work did you get any part numbers of the items fitted mine was leaking but decided to take a chance driving it.so drove to a shell petrol services on motorway and hoped they would have some transmission fluid. they had shell dextron 3 fluid so bought 5 liters of that, thought it has to be better than nothing.used 4 liters it was £6+ per liter about same price as toyota stuff. i have 2 4l cans of toyota stuff in shed left over from getting torque convertor fitted. where you get your box rebuilt. might be worth looking into getting a spare box so you can get sent away to america for upgrading for big power. with it been an auto, boxes at scrappys should be cheap and been a common j spec they should cost about £50 seen them for £300 so its not too bad. is there only 1 sort of auto gearbox a340 (i think) will a uk spec auto fit to a j spec and other way round. you dont hear of gearboxes going, well i cant remember reading of any. will have to keep track of info thanks mark Link to comment Share on other sites More sharing options...
TLicense Posted December 9, 2003 Share Posted December 9, 2003 Originally posted by MONKEYmark you dont hear of gearboxes going, well i cant remember reading of any. My auto box has gone. Don't know what's wrong with it, but makes metallic tapping noise that increases with rpm. Noise is definitely coming from within the gearbox case. Sounds knackered, and is what prompted me to convert to manual. (Why bother replacing the auto box with another auto/rebuilt box and then 6 months down the road want to sell the car because you want a manual box instead of an auto?) If anybody is interested I'll be willing to sell the box for anyone who wants to rebuild it. Don't know what it's worth, not much I wouldn't have thought. Regards Link to comment Share on other sites More sharing options...
MONKEYmark Posted December 9, 2003 Share Posted December 9, 2003 just heard about my auto box, will have to be sent away. did not take it all in what he was saying but was saying about it has spun a bearing and scored tc. looks like i will have to buy a spare box and get this one sent away for upgrading and checked out by an auto place. to veilsideTT where did you get your box rebuilt? not sure what to do now. buy a spare box and get back on road with stock tc or keep off road and get my box sent to america for upgrading to stronger box. Link to comment Share on other sites More sharing options...
Soonto_HAS_soop Posted December 9, 2003 Share Posted December 9, 2003 Originally posted by TLicense My auto box has gone. :conf: Where did it go.......... .........Bognor Regis?? :p Ben.. Link to comment Share on other sites More sharing options...
lpher Posted December 9, 2003 Share Posted December 9, 2003 Mine had been treated to Dextron all its life....according to the last owner...then funny noises began to come out of the box....changed to Toyota Type IV fluid....now its TOTALLY gone...and it seems its not comming back either...lucky me! So...please...just Type IV...ok? @lpher Link to comment Share on other sites More sharing options...
dude Posted December 9, 2003 Share Posted December 9, 2003 Originally posted by MONKEYmark just heard about my auto box, will have to be sent away. did not take it all in what he was saying but was saying about it has spun a bearing and scored tc. looks like i will have to buy a spare box and get this one sent away for upgrading and checked out by an auto place. to veilsideTT where did you get your box rebuilt? not sure what to do now. buy a spare box and get back on road with stock tc or keep off road and get my box sent to america for upgrading to stronger box. Monkey dude , phone me 07973 422272 . John Link to comment Share on other sites More sharing options...
Chris Wilson Posted December 9, 2003 Share Posted December 9, 2003 Originally posted by MONKEYmark just heard about my auto box, will have to be sent away. did not take it all in what he was saying but was saying about it has spun a bearing and scored tc. looks like i will have to buy a spare box and get this one sent away for upgrading and checked out by an auto place. to veilsideTT where did you get your box rebuilt? not sure what to do now. buy a spare box and get back on road with stock tc or keep off road and get my box sent to america for upgrading to stronger box. Hmm, don't like the sound of that. If it had an oil leak from the front seal, I suspect the bearing that has spun is the torque convertor neck bushing. VERY unusual for that to go on any box, UNLESS the torque convertor itself has a damaged neck, pump drive dog, or is running out of true. A damaged neck SHOULD be obvious when fitting, but if the ting has been apart ad rewelded (read it's been bconverted to a higher stall speed) this would be much less apparent. Worse case scenario is convertor is out of true and you refit it to an expensively rebuilt box, only for it to bugger that one up, too. That convertor needs checking out for true running. You need someone with a bigger lathe than i have to check this. If you want me to i may be able to send you to a friend of mine who has a lathe big enough and is one of the UK's leading auto gearbox people. he's in Crewe, Cheshire. Link to comment Share on other sites More sharing options...
dude Posted December 9, 2003 Share Posted December 9, 2003 Originally posted by Chris Wilson Hmm, don't like the sound of that. If it had an oil leak from the front seal, I suspect the bearing that has spun is the torque convertor neck bushing. VERY unusual for that to go on any box, UNLESS the torque convertor itself has a damaged neck, pump drive dog, or is running out of true. A damaged neck SHOULD be obvious when fitting, but if the ting has been apart ad rewelded (read it's been bconverted to a higher stall speed) this would be much less apparent. Worse case scenario is convertor is out of true and you refit it to an expensively rebuilt box, only for it to bugger that one up, too. That convertor needs checking out for true running. You need someone with a bigger lathe than i have to check this. If you want me to i may be able to send you to a friend of mine who has a lathe big enough and is one of the UK's leading auto gearbox people. he's in Crewe, Cheshire. Strange that this has happened just after a hi-stall has been fitted eh chris !!!!! , Mark what make was this TC , there ids only one i would put in my car , i agree with CW on this one which is why i asked you to phone , when i was playing with the yank cars we had no end of trouble with cheap TC's , get this checked before installing in a rebuilt box !!!! Dude:flame Dev Link to comment Share on other sites More sharing options...
veilsideTT Posted December 9, 2003 Author Share Posted December 9, 2003 The work was carried out by The Mechanical Workshop Littlethorpe Leicester They also do Turbos too. Link to comment Share on other sites More sharing options...
MONKEYmark Posted December 10, 2003 Share Posted December 10, 2003 hi thanks for replys, have still got my stock torque convertor. the one i bought was from powerhouse racing its a 3800 stall. i have been driving car hard too. nothings broke in 3+ years so guess i cant complain. chris is you can email me your mates number i will give him a ring on my days off on thursday. also will ring you john. cheshire is not too far if i had to drop gearbox and torque convertor off as the guy doing my car is in oldham. he was saying the thing that has marked can be got rid of with fine emery paper. he told me i need to go to a specialist to get it checked out. he was saying the bearing is a push type and it had spun a bearing and moved forward damaging the seal. is there only 1 type of auto box for a supra (a340) and would a uk spec gearbox fit a jap spec car. or would i be better off getting a jap spec box from salvage place. to get up and running again. while i have time to sort this box out. boostlogic have a tranny upgrade where you need a working core? for $1800 without tc or $2950 with a tc of your choice stall wise. was thinking of going higher stall say 4000 as the last one drove fine. before read lots of things of people saying they are bad to drive on road with a high stall thanks agian for advice and numbers got 6 days off so will try get something sorted Link to comment Share on other sites More sharing options...
eyefi Posted December 10, 2003 Share Posted December 10, 2003 is the guy who's looking at it the same bloke who fitted the tc? good luck getting it sorted. id b tempted to take up chris's offer and speak to his man in crewe. Link to comment Share on other sites More sharing options...
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