NEW INFINITI owner need transmission help - MyG37



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NEW INFINITI owner need transmission help

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Old 07-11-2018, 11:36 AM   #1  
Thechelsea23
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NEW INFINITI owner need transmission help

I just bought my first car. 2012 Infiniti G37X coupe. I love it, but recently I have been manually shifting the auto transmission. Not abusing it but just shifting at 4000-5000 and ripping it through tunnels. I all the the transmission is beginning to shift harshly. But only in when I shift. If I leave it in D or DS it is fine and sometimes in manual it doesn't. I am leaving it in D until I can understand what is wrong. Go ahead and be harsh because I probably have severally worn the transmission. The prior owner did a Transmission flush the day I bought car. What can someone help me figure out what I screwed up?
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Old 07-11-2018, 11:52 AM   #2  
slartibartfast
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Welcome. I moved your post to the appropriate forum.

My guess is maybe the owner used the wrong type of fluid?
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Old 07-11-2018, 12:52 PM   #3  
Surfnazi
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Did they flush with a machine or drain refill method? Those machines can cause more issues then resolve.
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Old 07-11-2018, 02:58 PM   #4  
Thechelsea23
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Well, I just found the receipt. Transmission wasn't flushed. Front diff and transfer case/ Should I get my Transmission flushed? What I don't understand is if something is truly wrong wouldn't the trans shift harsh in every form of drive like D and DS?
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Old 07-11-2018, 07:37 PM   #5  
Surfnazi
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Flushing is bad just do drain refill
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Old 07-12-2018, 11:05 AM   #6  
Thechelsea23
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Ok, so you suggest to drain and refill the transmission fluid?
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Old 07-12-2018, 04:55 PM   #7  
hobbs
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Quote:
Originally Posted by Surfnazi View Post
Flushing is bad just do drain refill

I know there is a TSB stating this. I wounder if the flushing machine could be used WITHOUT the flushing chemicals and just to replace 100% of the trans fluid?
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Old 07-15-2018, 07:14 PM   #8  
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Drain and refill. If you're really **** redo process 2-3 weeks after again
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