Transmission stopes switching

Asked by Apr 12, 2010 at 11:27 PM about the 2000 INFINITI I30 4 Dr STD Sedan

Question type: Maintenance & Repair

As unusual as it might be, the transmission on my Infiniti I30 stopes switching gears after driving for about 30min if temperature outside goes above 80.  At lower outside temperatures it works fine no matter how long you drive. Any solutions?

3 Answers

140

i too am having the same issue. very odd and frustrating. now becoming a danger. from a standing start, transmission stays in 1st gear, and then totally slips, as if in neutral. have to pull over, turn off car. let it cool down for 5min or so, turn over and start again. most of the time issue goes away. has been increasing in frequency of late and now when i start up again, stays in 1st gear. no signs whatsoever of overheated or worn trans. multiple shops and local dealer have looked and found no issues and cannot replicate the problem. can go for months at a time with no prob, then in one week hit every day. or multiple times in one day. is it the sensor? the cpu? trans has been checked and looks totally fine.

14 of 14 people found this helpful.
135

Same problem here. No fault indicated but it acts like it is in neutral. Turn off and restart for normal operation. Didn't notice a cooling period. I too suspect a sensor but I know nothing!

3 of 3 people found this helpful.
135

Did you ever solve this problem? Folks suggest my similar problem is a torque converter going out. That is an expensive fix.

9 of 9 people found this helpful.

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