Transmission Problems
#1
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Join Date: Mar 2022
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Transmission Problems
2003 350z Manual
Okay so, I just rebuilt my engine but I'm having some transmission problems.
Those are:
- 1st gear and reverse popping/slipping out of gear when trying to roll out if given a rev of over 2.5kRPM
- Slight grind between gears.
- Rattling noise while car is on neutral, but it stops once clutch is pressed.
- While going up my driveway in reverse, you can hear a rattling noise coming from the transmission while reving the car. (it usually slips out when noise gets really loud)
All of this didn't happen before I swapped the engine. Trying my hardest to not have to rebuilt the transmission.
The attached video by the sounds of it, is the gears grinding, it stops once I put it in neutral and let go of clutch pedal.
Okay so, I just rebuilt my engine but I'm having some transmission problems.
Those are:
- 1st gear and reverse popping/slipping out of gear when trying to roll out if given a rev of over 2.5kRPM
- Slight grind between gears.
- Rattling noise while car is on neutral, but it stops once clutch is pressed.
- While going up my driveway in reverse, you can hear a rattling noise coming from the transmission while reving the car. (it usually slips out when noise gets really loud)
All of this didn't happen before I swapped the engine. Trying my hardest to not have to rebuilt the transmission.
The attached video by the sounds of it, is the gears grinding, it stops once I put it in neutral and let go of clutch pedal.
Last edited by LeozinZ33; 03-18-2022 at 04:34 PM.
#2
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The rattling noise is either the throw-out bearing (fairly normal) or the input shaft bearing (inside the trans case). Since you rebuilt the engine recently, I assume you installed a new flywheel, clutch and clutch components? Or did you re-use the old? You could have internal transmission problems. The 2003 MTs were notorious for synchro failures/issues.
-Icer
-Icer
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