Faye Posted June 4, 2007 Share Posted June 4, 2007 I've tried to search on this and haven't had any luck. My autobox has started to behave weirdly, when the car is cold it has trouble pulling away, it feels like its slipping. When its warmed up a bit it seems to stay in gear "too long", usually when I've accelerated from standing to about 70ish. When it does decide to go into the right gear it feels almost like it slips. Once its fully warm there doesn't seem to be a problem at all. It doesn't do this all the time, so getting it to replicate the problem isn't easy. So far I've checked the box fluid level - its fine. Keith smelt the oil and said it didn't smell burnt and the oil looked in good condition. Thoughts I've had - could it be the delimiter on the way out? The car was delimited about 5 years ago - can they just wear out? Any thoughts, or is this going to be as expensive as I fear? PS: its a 98 NA if that helps. Quote Link to comment Share on other sites More sharing options...
tooquicktostop Posted June 4, 2007 Share Posted June 4, 2007 I am not sure about the problem you have but mine was slipping at WOT, I changed to a 6 speed but I know you can pick up a replacment Auto box for very little money if the box turns out to be knackered Quote Link to comment Share on other sites More sharing options...
Faye Posted June 4, 2007 Author Share Posted June 4, 2007 I'm just surprised that if the box is failing its doing it on a relatively new Supra and one with pretty low miles. Quote Link to comment Share on other sites More sharing options...
Ian W Posted June 4, 2007 Share Posted June 4, 2007 the fluid may not be burnt at present but what about in the past? have you owned the car from new? when were the last fluid changes that you know about? Quote Link to comment Share on other sites More sharing options...
Faye Posted June 4, 2007 Author Share Posted June 4, 2007 Nope the fluid has never been burnt in the five years I've owned it. I am the first UK owner and as I know it only the second owner from new. Last change was about 18 months ago or 10k miles if that helps. Quote Link to comment Share on other sites More sharing options...
GLENN STONEHAM Posted June 4, 2007 Share Posted June 4, 2007 Hi Faye, Sorry to hear you got problems. These intermitant faults are a bugger. I had roughly similar symptoms with my n/a auto 6 months ago. Ie non smooth gear changes that got more frequent as well as other code 42 symptoms. Mine wasnt delimited or anything but the code 42 fix did the trick.Been fine ever since except for a totally different intermittant fault I now have. Are any fault codes comming up? Glenn. Quote Link to comment Share on other sites More sharing options...
Faye Posted June 4, 2007 Author Share Posted June 4, 2007 Must admit we haven't looked into fault codes - nothing had flashed on the dash suggesting I have problem. What was the fix for a 42 error code? Quote Link to comment Share on other sites More sharing options...
GLENN STONEHAM Posted June 4, 2007 Share Posted June 4, 2007 Heres the diagramme for the code 42 fix http://www.mkivsupra.net/vbb/attachment.php?attachmentid=49509&d=1167958077 I havent got time at the mo to look up the link on what to do exactly but if you do a search it should be easy to find. It involves getting to the connections behind the odo section on the top left side of the dash & cutting & splicing 2 wires. Just 5 screws to undo to clip out the top dash unit & find what your looking for. Quote Link to comment Share on other sites More sharing options...
Faye Posted June 4, 2007 Author Share Posted June 4, 2007 Thanks Glenn, I'll get tech support to have a look at this when he gets home - I don't get to use the tools unless supervised Quote Link to comment Share on other sites More sharing options...
ardasaliah Posted June 4, 2007 Share Posted June 4, 2007 Hi Faye- what fluid did you use when you changed it. Hopefully the type 4 Toyota stuff:) Anything else is not good for the box. ArdZ Quote Link to comment Share on other sites More sharing options...
GLENN STONEHAM Posted June 5, 2007 Share Posted June 5, 2007 Thanks Glenn, I'll get tech support to have a look at this when he gets home - I don't get to use the tools unless supervised Did you find any fault codes Faye? Interested to know. Quote Link to comment Share on other sites More sharing options...
ivan63 Posted June 9, 2007 Share Posted June 9, 2007 how easy is it to do a code 42 fix im sort of having the same probs as faye.im not that tech minded and have fingers like a bunch of bananas but eager to give it ago! Quote Link to comment Share on other sites More sharing options...
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