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Toyota Celica GT transmission

2003 Celica GT is slow to shift into overdrive, it takes it about 1-2 minutes to slip in after hitting around 50 MPH. After it slips in the 1st time, it runs fine until you park it for a few hours. The car only has 65K miles on it, and I recently had the transmission flushed to try to alleviate the problem. Any suggestions on what it might be?

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Assuming the 4 Speed automatic w/OD vs 5 Speed manual w/OD
You mention transmission flushed, not sure what flushed with. Assuming drained, refilled was filter replaced too?
It may be your torque converter didn't drained and your fluid level is too high. Bring car up to temp before checking tranny fluid level. If fluid level is high, it needs to be reduced to proper levels. .
Does your car run hot? use garden hose or go to self serve car wash and from back side of radiator wash any leaves, bugs etc from radiator. Your automatic transmission has a cooler attached to radiator and if transmission fluid is running hot will expand and cause a myriad of problems.

Finally, If you are driving in between speed where OD is on & off it causes excess wear w/o fuel benefit. Check owners manual, but one suggestion is to leave OD off until you are on the freeway.
overdrive on = freeway = includes 4th gear
overdrive off = city driving = stop and go traffic.

Posted on Nov 27, 2013

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  • Cars & Trucks Master
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Please go to www. get the topic s and fix it.
God bless you

Posted on Nov 27, 2013


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Posted on Jan 02, 2017

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SOURCE: The car slipps or jerks in the low gears

you should go to a transmission guy they have computers that will find the problem and i think that its free... but i think that your transmission needs to be rebuilt, theres a lot that can go wrong with them things

Posted on Mar 25, 2009

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SOURCE: My 1995 Jeep Grand Cherokee transmission slips in overdrive

sounds like a possible shift solenoid. If it's due for a fluid change, do that and add a container of lucas trans conditioner. Likely you have a drain plug on the pan so if the fluid was recently serviced, just drain a quart out and replace with the additive, then top off.
If the condition does not change within a week, likely you will need better diagnosis from a reputable trans shop.

Posted on Jun 03, 2010

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SOURCE: 2001 toyota sienna ce, runs good at idle, takes

I would change the transmission filter.if clogged it will slip and loose power on steep upgrades try that it is inexpensive. If that don't help you may need a new transmission.

Posted on Sep 13, 2010

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