96 AT Questions
05-25-2015, 04:37 PM
#1
Recently I've come across an issue with my 1996 maxima. The automatic transmission will only drive forward when the car is turned on. By this I mean, while the car is running I can not reverse. - Neutral drives forward only. I can use this currently as a driving gear! - Park and reverse seem like they want to become driving gears (i.e they want to move forward but they won't). - Reverse won't rev up past 2k and won't reverse When the car is turned off I can push the car back and forth while it's in neutral. The car will move backwards in reverse also. I don't know what the issue could be, and I did switch my neutral-safety switch and the issue is still present. If you could offer any advice to fix this issue it would be appreciated.
****************EDIT*************
Update*******
I checked the linkage, and aside from being filthy by the shifter, it checked out fine.
The linkage to the neutral safety switch also was electing the right gears, but the problem still continues (somewhat).
I turned on the car and did a rev in park and the car finally revved past 2k. After doing this reverse came back and so did neutral.
I'm not trusting this transmission and may just replace it as a precaution.
****************EDIT*************
Update*******
I checked the linkage, and aside from being filthy by the shifter, it checked out fine.
The linkage to the neutral safety switch also was electing the right gears, but the problem still continues (somewhat).
I turned on the car and did a rev in park and the car finally revved past 2k. After doing this reverse came back and so did neutral.
I'm not trusting this transmission and may just replace it as a precaution.
Last edited by Fauken; 05-26-2015 at 02:05 PM.
05-25-2015, 10:20 PM
#4
I did a search for your issue(s) on Google and couldn't come up with any definitive answers. The best answer is below. This guy had the exact issue as you, but in a Ford truck.
"Hey guys, I wanted to thank you all for your help in this problem. It's been a long undertaking, but I got it fixed. The cause? The Spring steel finger that the rooster meshes with - Was BENT at like 90 Degrees, Making it jump one gear ahead! I could get 1st, 2nd, And Drive, But no reverse, or park. Also found the machined shaft in the valve body that attaches to the manual lever was broken off, found a piece of it in the pan. These were definately not hard fixes, really only had to drop the pan, and remove a 5/16" Bolt for the finger, and a snap ring for the shaft. It was especially cheap too, since I had an extra transmission lying beside the truck in the shop. I just had a gut feeling it was a mechanical issue, but it's absoloutely CRAZY that like 3 other transmission did the same thing. Has anyone ever experienced a stifling problem like this that made you almost want to give up? Thanks so much guys!"
http://www.f150online.com/forums/tra...l-reverse.html
"Hey guys, I wanted to thank you all for your help in this problem. It's been a long undertaking, but I got it fixed. The cause? The Spring steel finger that the rooster meshes with - Was BENT at like 90 Degrees, Making it jump one gear ahead! I could get 1st, 2nd, And Drive, But no reverse, or park. Also found the machined shaft in the valve body that attaches to the manual lever was broken off, found a piece of it in the pan. These were definately not hard fixes, really only had to drop the pan, and remove a 5/16" Bolt for the finger, and a snap ring for the shaft. It was especially cheap too, since I had an extra transmission lying beside the truck in the shop. I just had a gut feeling it was a mechanical issue, but it's absoloutely CRAZY that like 3 other transmission did the same thing. Has anyone ever experienced a stifling problem like this that made you almost want to give up? Thanks so much guys!"
http://www.f150online.com/forums/tra...l-reverse.html
05-26-2015, 12:28 AM
#5
05-26-2015, 12:34 AM
#7
I did a search for your issue(s) on Google and couldn't come up with any definitive answers. The best answer is below. This guy had the exact issue as you, but in a Ford truck. "Hey guys, I wanted to thank you all for your help in this problem. It's been a long undertaking, but I got it fixed. The cause? The Spring steel finger that the rooster meshes with - Was BENT at like 90 Degrees, Making it jump one gear ahead! I could get 1st, 2nd, And Drive, But no reverse, or park. Also found the machined shaft in the valve body that attaches to the manual lever was broken off, found a piece of it in the pan. These were definately not hard fixes, really only had to drop the pan, and remove a 5/16" Bolt for the finger, and a snap ring for the shaft. It was especially cheap too, since I had an extra transmission lying beside the truck in the shop. I just had a gut feeling it was a mechanical issue, but it's absoloutely CRAZY that like 3 other transmission did the same thing. Has anyone ever experienced a stifling problem like this that made you almost want to give up? Thanks so much guys!" http://www.f150online.com/forums/tra...l-reverse.html
05-26-2015, 02:04 PM
#9
Update*******
I checked the linkage, and aside from being filthy by the shifter, it checked out fine. The linkage to the neutral safety switch also was selecting the right gears, but the problem still continued (somewhat). I turned on the car and did a rev in park and the car finally revved past 2k. After doing this reverse came back and so did neutral. I'm not trusting this transmission and may just replace it as a precaution.
I checked the linkage, and aside from being filthy by the shifter, it checked out fine. The linkage to the neutral safety switch also was selecting the right gears, but the problem still continued (somewhat). I turned on the car and did a rev in park and the car finally revved past 2k. After doing this reverse came back and so did neutral. I'm not trusting this transmission and may just replace it as a precaution.
Last edited by Fauken; 05-26-2015 at 07:03 PM.
05-26-2015, 07:06 PM
#12
05-28-2015, 08:34 AM
#13
******Update
The transmission is very sluggish at this point. Car doesn't accelerate as well as it used to.
Since all the linkage readily visible checked out (I didn't check the linkage by the VB) I'm thinking its time to consider a younger trans.
The transmission is very sluggish at this point. Car doesn't accelerate as well as it used to.
Since all the linkage readily visible checked out (I didn't check the linkage by the VB) I'm thinking its time to consider a younger trans.
05-28-2015, 06:04 PM
#16
Dropping the AT pan and VB to check the shift lever is easy. Search this forum and you'll find all the necessary steps. To complete that you'll just need a new AT pan gasket and several quarts of dextron III ATF.
05-29-2015, 03:34 PM
#17
I agree it is, but this trans is at 280k now. Best move in my eyes is to give her better legs. Once the transmission swap is done I will investigate it further to see what else was damaged.
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