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Post by linzisidwell on Sept 10, 2007 11:20:18 GMT
Hi all, I have an '88 Celica GTi ST162 (or is jit 165!?) automatic. We need to change the transmission fluid and we've identified the 'plug' is round - probably needs an Alan key(?) and we've read a couple of bits on the web about refilling where the dip stick is - does anyone have any advice for us from having done it themselves as we don't want to start this if we can't easily get it finished. thanks all.
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Post by harvey on Sept 13, 2007 20:14:41 GMT
Not familiar with the drain plug on this model but its right at the bottom! ;D Earlier RWD autoboxes had a std hex drain plug normally 14mm.
Yes you are right to refill through the dipstick tube. Fill to about 1 inch above the "max" marker on the dipstick then start the car and move the selector through the gears.
Recheck the level with the car running and now the autofluid is pumped around the box it will appear low on the dipstick so top up to the mark. If you check the fluid after the car has stood for a while with the engine off it will be well above the max, don't worry as this is perfectly normal and when started it will go down to the correct level.
Hope this helps.
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Post by linzisidwell on Sept 15, 2007 16:50:24 GMT
HI Harvey
Many thanks for replying - we're planning to do the replacement tomorrow, so fingers crossed! Will let you know the result in a couple of days.. Linzi
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Post by linzisidwell on Sept 25, 2007 11:41:57 GMT
Hello again, here's the story so far then... the car won't change up to top gear until it has run for about 10 mins/4 miles (from a cold start). Once it's up to temp, it changes up and then runs perfectly normally from then on - you can switch off the ignition, and let it stand for a while and, as long as you don't let it cool to 'cold', it will carry on changing as it should. So, we changed the ATF in the hope of a cure (did it twice in fact to replace as much as possible) but nothing's happened. We've done an experiment of starting the car, letting it run for 10 mins to warm up, then driven her, and the gears move through all positions as it should - so it seems certain that it depends on temperature somehow.
Has this happened to anyone out there as it's baffling us!! thanks, Linzi.
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Post by Uncle Bob on Sept 25, 2007 12:17:41 GMT
Just an observation reading your thread, the ST162 has an Automatic 3 speed gearbox with a 4th gear electronic overdrive, the overdrive was never designed to work untill the thermostat on the cooling system had opened , so if you feel you still have problem it might be an idea to change the engine thermostat, but going by what you say, its sound normal to me  |
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Post by oldredcelicabryan on Sept 26, 2007 18:48:24 GMT
Yep I concur with Bob on this one, "Overdrive" will not engage until the engine is up to temp.
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Post by linzisidwell on Sept 27, 2007 11:53:36 GMT
hello all, ummm - now I'm really confused then! From a cold start, at 60mph, the engine revs are just above 3K. Moving up to 70mph pushes the revs to almost 4K - does that really seem correct? Once she's warm, at 60mph, the revs drop to just above 2K.
I drive with the 'overdrive' button (the one on the 'gear stick') pushed in at all times, only using the electronic 'power' button (next to the handbrake) on motorways or similar conditions.
I'll get the engine thermostat changed anyway as a precaution (temp reading is normal), but it seems strange that a sports model car would be designed to drive like this?
If you're all sure she's not ill, I'll breathe a sigh of relief!!! Thanks for you continued help
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Post by oldredcelicabryan on Sept 30, 2007 19:30:44 GMT
The OVERDRIVE only comes into effect ONCE the engine is warm.
Hence on a cold engine your car takes 3krpm to do 60mph but when it's warm it will do 60mph for only 2k rpm.
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