TwinTurbo.NET: Nissan 300ZX forum - Here`s my 1-2 gear crunch video.
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Subject Here`s my 1-2 gear crunch video.
     
Posted by aquariuscsm on August 23, 2011 at 11:15 AM
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In Reply To transmission advice posted by dub-ya on August 22, 2011 at 11:52 AM
     
Message View My Video

This was tranny #3 I think. Notice how slow and easy I`m shifting. Other gears shifted smooth as silk,no matter how fast or slow I shifted. Mine always had the 1>2 crunch. 1st tranny sounded like a circular saw underneath my car. Made a horrible whinning sound. When the Nissan dealer installed it,they called me and told me upon install that it was a piece of junk. The next 2 had the 1>2 grind. Tranny #4 (current one) has been the best of the bunch. It would crunch occasionally,but not all the time. Now that I`ve had it for awhile,it`s smoothed itself out. I left the factory fill in for a few thousand miles,then tried a few different fluids. Amsoil MTG was the best one. I`ll keep in as a lifetime fill (not the same fluid fill,but the same brand).

I think with Nissan trannies it`s just a hit or miss. I`ve talked to members here about getting a used tranny at one time. One guy who had several said all of his "spares" had the 1>2 gear crunch. BUT,it`s not just Nissan that has this issue. Read up online on manual transmission issues and you`ll find Mustangs,Vettes,Mazdas,Hyundais,Subarus,etc having the same issues. I feel it`s just bad quality control on the transmission manufacturers behalf. I`ve been driving manuals since the 70s and had never even heard of gear crunch before. Quality control was probably just better by leaps and bounds back then.

     
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