TwinTurbo.NET: Nissan 300ZX forum - Nissan warranty is 12 months, 12k miles.
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Subject Nissan warranty is 12 months, 12k miles.
     
Posted by Bernie (NoVA) on September 05, 2020 at 3:06 AM
  This message has been viewed 318 times.
     
In Reply To 98 j spec transmission posted by Boostjuice on September 04, 2020 at 07:58 PM
     
Message On a trans your dealer will likely tell you to fuck off.
If they don't tell you to fuck off they will ask you to pay for labor to remove and replace it IF they didn't do the work to install it in the 1st place. Otherwise they will tell you to fuck off.
Don't mention that you changed the fluid.
If anything fill it with Nissan fluid prior to having a conversation with them

The reality is this.
IF you did not use their fluids for the first 11k miles / 11 months AND you put over 300hp through it then they will likely tell you to fuck off.

This is not a shaft bearing issue
You have glazed the meshing surface of the gears by pushing more power than it was rated for, with the wrong fluids and they are fucked.
Replacing the input bearing won't fix the noise. If you pulled the gears out you might be able to have them shot peened to reset your break in procedure and start over with Nissan fluid, low HP and proper heat cycles.

This is similar to why some people have diffs with WHINING ass gears either they got set up wrong or they used the wrong fluid at break in.



Bernie Bilski berniebilski@cox.net
President of Z-Car Club of Northern Virginia

1995 Nissan 300ZX TwinTurbo in Cobalt Green
1997 Nissan 240SX SE in Ultra Red
2006 Nissan Frontier SE in Ultra Black

     
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