Sticky: 370Z Transmission Failures (6MT)

BGTV8 · 08-21-2012, 04:51 PM

I now have the crunchies on skip shift from 3rd to 6th at max-revs (like accelerating the car up to speed on the on-ramp to freeway and then slot into 6th at 110kph). Car has 70,000klics on it. So far, only 6th affected.

Have gone to Motul gear oil and is "better" but not perfect. I have an extended drivetrain warranty (up to 150,000 klics) on my car and will be hassling Nissan about it at the next serice, but the car has seen a lot of arduous service (track days and speed events) so I'm optimistic about a Nissan repair .. we'll see.

Rui Z · 08-21-2012, 05:50 PM

Quote:

Originally Posted by BGTV8

I now have the crunchies on skip shift from 3rd to 6th at max-revs (like accelerating the car up to speed on the on-ramp to freeway and then slot into 6th at 110kph). Car has 70,000klics on it. So far, only 6th affected.

Do not skip to 5th or 6th gear on the Z. It is known to have weak 5th and 6th gear synchros. You will wear out the synchros.

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08-21-2012, 04:51 PM	#1 (permalink)
BGTV8 A True Z Fanatic Join Date: Dec 2009 Location: 03350 Australia Posts: 1,516 Drives: 09 Nissan 370Z M6 Rep Power: 39975	I now have the crunchies on skip shift from 3rd to 6th at max-revs (like accelerating the car up to speed on the on-ramp to freeway and then slot into 6th at 110kph). Car has 70,000klics on it. So far, only 6th affected. Have gone to Motul gear oil and is "better" but not perfect. I have an extended drivetrain warranty (up to 150,000 klics) on my car and will be hassling Nissan about it at the next serice, but the car has seen a lot of arduous service (track days and speed events) so I'm optimistic about a Nissan repair .. we'll see.