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Ok so bit of an update on this issue i'm having-

Took the car back to the workshop and got it back on the hoist. Got in it and went through the gears whilst i was in the air, went through all the gears and started hearing a fair bit of rattle once the car got under more load. 40km/h in 6th gear the noise was horrible, coming straight from inside the gearbox.

My mech says to give it a few hundred more km's and if nothing changes i need to speak to Coz about it. We pulled a bit of gear oil out looking for steel shavings, put a magnet in the small amount of oil we dropped and pulled out next to nothing. Probably the little bits were from the new synchro's meshing together.

Apparently, my mate has had plenty of cars up on the hoist doing the same thing as what we did going through the gears troubleshooting listening for noises and has never heard this happening before.

I guess i will drive it for a few hundred more km's, then change out the oil ($120 down the drain) for a thicker mix. Amsoil is very light, maybe the car doesn't like it. Then go from there, my mate thinks it's a gearbox bearing. We'll see!

  • 1 month later...

Well i've just got used to it i guess.. my mate has a s15 with a similar noise he thinks it's normal. One thing that i have noticed though is a creaking noise i get from the clutch mostly when the car is cold every time it engages. I assume this is normal too because it stops after i've been driving for 5-10 min. I figured that since i'm not having any issues with changing gears or the clutch slipping or any form of driving problems that this clutch noise is normal.

That sucks. That would do my head in to spend that sort of coin and come out with a less than 100% result. May as well strip the interior and cage it and tell everyone one "because race car" !

It might just be a sound like the nismo clutch.

I have one, and the thing makes the gearbox make a terrible noise on decel, at 2200-2000. You can read about it on the nismo website itself as a noted characteristic.

you posted this on G35driver where they swap their boxes to cd09 aswell ?

yep sure did, got 0 replys.

It might just be a sound like the nismo clutch.

I have one, and the thing makes the gearbox make a terrible noise on decel, at 2200-2000. You can read about it on the nismo website itself as a noted characteristic.

hmm i don't have a terrible sound on decel at all, that's strange but i might check it out

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