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T56 Rollover Noise Finally Fixed


FPVF6355

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  • Member For: 13y 10m 8d

Before anyone says tremec makes the gearbox they should know.

It's bs. I tried the g70 additive with dex111. Did nothing maybe worse. But definitely no improvement. Tried the penrite 70w 75 as recommended on their site. Fn expensive. $140 for 5 ltrs. But it fn works. Roll over completely gone. Sincros work quicker.

I rebuilt the box about 2 months ago. New bearings and seals. Typical usa design. Big ass gears. Looooooose tolerance gear mess. The rollover was the same rven when completely rebuilt. Finally it doesn't soung like a truck idling when the aircon is on.

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  • Member For: 13y 3m 16d
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Hmmmmm interesting.

I have a t56 and some days with the ac on it sounds like a truck lol

I just serviced it with the oil it suggested, dex lll

It says to stay away from synthetic oils?!?!?! I have a smal grind from 2-3 and it's noisy at idle a little..... Think oil would help it?

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  • Member For: 12y 8m 13d
  • Gender: Male
  • Location: Perth

Actually that is a point...my rollover in my XR6T was pretty non existent when I had Mainlube in it, but then old mate Slacko went and changed it out for some redline oil and it was noisy as fark! Don't think I ever ground second with the Mainlube in the box either actually, come to think of it...

Edited by .Stripes.
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  • less WHY; more WOT
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  • Member For: 16y 7m 16d
  • Gender: Male
  • Location: Melbourne

http://www.castrol.com/en_au/australia/products/truck-and-bus/automatic-transmission-fluids/transmax-z.html

http://www.castrol.com/en_au/australia/products/cars/automatic-transmission-fluids/transmax-multivehicle.html

They are definitely different. The Multivehicle is just a Dexron3 specification oil.

If you want to find where Transmax Z is stocked, you can call 1300 557 998 and ask them where the nearest distributor is.

Edited by k31th
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