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-   -   shifting prob (http://www.toyota-supra.info/forums/mkiii-supra/7484-shifting-prob.html)

supra_91 02-02-2007 06:46 PM

shifting prob
 
i live in illinois and it is pretty cold here right now and for the past couple of weeks i have noticed that my car won't shift out of first gear when the engine is cold. it finally shifts about 30 secs to a min later but i don't know what is wrong. i have also dropped in gas mileage to getting roughly 200 miles per tank of gas

burton51m 02-02-2007 08:12 PM

mine did that a couple months ago. take your car in to a Meineke or somewhere elese and get your transmission system flushed out, and some new tranny fluid put in. after a while it will shift smooth and you shouldnt have a problem.

mrnickleye 02-03-2007 03:15 AM

^^^^ Yes, the first step is to flush the trans. Make sure you take it to a shop that uses the machine to do it. Not just drain and fill, as that will only get 2 1/2 qts. out.

The machine method cleans insides with a mild chemical then removes all the old oil, and reloads with all new oil.

supra_91 02-03-2007 06:23 PM

after i get the fluid changed will it effect the bad gas mileage

supra_91 02-06-2007 05:42 PM

what about the gas mileage

mrnickleye 02-07-2007 03:41 AM

I seriously doubt it will effect the MPG. That is more an engine running condition relationship.

supra_91 02-07-2007 06:35 PM

the engine runs fine though

mrnickleye 02-07-2007 08:51 PM

Well, if the 'lockup' torque converter is not locking up, it will lower your mpg.

One way to check is to drive the car normally with the OD off. Feel the shifts, 1-2, 2-3, then watch the rpms, and see if they drop 2-300 at around 40mph.

You might even feel it. or hear the engine tone drop a tiny bit.

if you can't tell after trying it a few times, your's may not be locking up.

supra_91 02-08-2007 05:42 PM

okay. i'll try that and see what happens

Staceman 02-21-2007 03:51 PM

Any status on this???

I have the same prob. Let us know the status!!


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