G37 7speed transmission reprogram
#61
Registered User
#62
If you park on a slope, then it is possible that you get a loud thump. I experience this every time I park on a slope. To avoid the loud thump, I push down the hand (foot?) brake before I shift the shifter to "P". Just make sure you remember to shift the shifter to "D" then release the hand brake next time you drive.
#63
Registered User
Parking lot was flat. I know what you're talking about on the hill, but its not that. I've experienced that sound in many cars while you're switching from P to D on a slope. This thump is about a second after going from D to P on a flat lot while on the brakes. Very odd.
#64
Registered Member
iTrader: (13)
HMM nice to see, I have yet to have a hard down shift but I have felt the typical shutter at 40 MHP and hit the gas a little yesterday and the shuttered and bogged down a bit before taking off? My call then today for the reflash.
#65
Just had the service done on my car. The tranny is a bit smoother and is searching less for gears. It seems like the gear changes happen more readily (which was a bit annoying when braking). I'll have to experiment more, but my dealer told me that received this update on 12/23.
#66
Just in from a 3 month check in, and I had raised the non-coasting issue and hunting with them. The tech and I drove the car and he acknowledged the poor coasting, but stated when he hooked the car up Infiniti did not return any updates available. I mentioned the TSB by number but they didnt have the update. I am in Canada, so I am going to give them the benefit of the doubt and try again in a month or so.
The tech did say "I hope they come out with a fix for this transmission soon"
The tech did say "I hope they come out with a fix for this transmission soon"
#67
Registered User
Just had the service done on my car. The tranny is a bit smoother and is searching less for gears. It seems like the gear changes happen more readily (which was a bit annoying when braking). I'll have to experiment more, but my dealer told me that received this update on 12/23.
If the coasting improves, I'd be interested to know if anyone sees an MPG difference. While it may be a minute improvement, every little gain allows for more a much more fun use of the same gasoline.
#68
I have a 2010 G37 that I bought in April. It now has 7,200 miles on it and I have never experienced any of the lagging or shifting problems with the auto tranny.
I have a scheduled free oil change at the dealer this Monday.
They are 50 miles away, so I will try to duplicate the complaints on this post between now and then.
Although I would like to keep the car up to the latest software, I think it would be foolish for me to request the new tranny flash, if I am not experiencing any problems.
Are most of the complaints from G37X owners?
I broke my car in on a 4,000 mile trip. There were a lot of 2 lane roads where I had to do a lot of aggressive passing.
The only difference I noticed was the times that I floored it, started to pass and had to back off, due to oncoming traffic. The engine would stay revved up for a few seconds.
I just figured it was the nature of the tranny/engine combo and got use to it after the first couple of times.
Tom
I have a scheduled free oil change at the dealer this Monday.
They are 50 miles away, so I will try to duplicate the complaints on this post between now and then.
Although I would like to keep the car up to the latest software, I think it would be foolish for me to request the new tranny flash, if I am not experiencing any problems.
Are most of the complaints from G37X owners?
I broke my car in on a 4,000 mile trip. There were a lot of 2 lane roads where I had to do a lot of aggressive passing.
The only difference I noticed was the times that I floored it, started to pass and had to back off, due to oncoming traffic. The engine would stay revved up for a few seconds.
I just figured it was the nature of the tranny/engine combo and got use to it after the first couple of times.
Tom
#69
.... I noticed was the times that I floored it, started to pass and had to back off, due to oncoming traffic. The engine would stay revved up for a few seconds.
I just figured it was the nature of the tranny/engine combo and got use to it after the first couple of times.
Tom
I just figured it was the nature of the tranny/engine combo and got use to it after the first couple of times.
Tom
#70
Registered User
I have a 2010 G37 that I bought in April. It now has 7,200 miles on it and I have never experienced any of the lagging or shifting problems with the auto tranny.
I have a scheduled free oil change at the dealer this Monday.
They are 50 miles away, so I will try to duplicate the complaints on this post between now and then.
Although I would like to keep the car up to the latest software, I think it would be foolish for me to request the new tranny flash, if I am not experiencing any problems.
Are most of the complaints from G37X owners?
I broke my car in on a 4,000 mile trip. There were a lot of 2 lane roads where I had to do a lot of aggressive passing.
The only difference I noticed was the times that I floored it, started to pass and had to back off, due to oncoming traffic. The engine would stay revved up for a few seconds.
I just figured it was the nature of the tranny/engine combo and got use to it after the first couple of times.
Tom
I have a scheduled free oil change at the dealer this Monday.
They are 50 miles away, so I will try to duplicate the complaints on this post between now and then.
Although I would like to keep the car up to the latest software, I think it would be foolish for me to request the new tranny flash, if I am not experiencing any problems.
Are most of the complaints from G37X owners?
I broke my car in on a 4,000 mile trip. There were a lot of 2 lane roads where I had to do a lot of aggressive passing.
The only difference I noticed was the times that I floored it, started to pass and had to back off, due to oncoming traffic. The engine would stay revved up for a few seconds.
I just figured it was the nature of the tranny/engine combo and got use to it after the first couple of times.
Tom
#71
My only complain with the AT is the slow shifting. Especially when I floor it pass on the highway, it feels like it takes forever to downshift. If I'm entering a highway it feels like I might not make it on time because of the slow downshift and the lack of power in the moment.
#72
Registered User
Try this: in Traffic - stop n go, where you reach 35 to 40 and then need to slow down, most of us feel the shuddering, some gear hunting for sure. Also Try this: speed up, step on the brakes to slow down and then quickly step on the throttle, man I feel a terrible lag doing that. The lagging was somewhat worse before I hit 3000 miles or so. When at highway speeds, 55mph, step on the throttle, I feel lag before the downshift in D mode or in DS mode. My 07 G35X did NOT have that. It's a ECU / Throttle By Wire issue for sure.
#73
Registered User
My only complain with the AT is the slow shifting. Especially when I floor it pass on the highway, it feels like it takes forever to downshift. If I'm entering a highway it feels like I might not make it on time because of the slow downshift and the lack of power in the moment.
#75
Registered User
I was at the dealer 2 days ago. I told the service adviser about the transmission issues. No hassle. He offered to perform ITB10-075. WOW! The transmission is now so smooth! I'll put more miles on it and will post my final conclusion.