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Gtr Front Diff- Drive Pinion Play

jeffworld2
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jeffworld2 Veteran

jeffworld2

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Posted

My GTR front diff has a lot of play on the back (companion flange) and i am worried it is quite rooted. it can move a good 8-10mm to one side only. I'm assuming the bearing pack has had it?

It seems to operate ok but i have developed a new noise matching wheel speed not engine speed and i guesselated. i can't actually tell if the noise is from front or rear though.

My question is can the drive pinion be removed in car or should i rip the engine out. Either i would take it to a diff place and get it done in car or pull it out and swap sumps. I am capable of doing almost anything myself mechanically but have no experience with diffs.

Having formerly been a circuit car there is a lot less under the plenum than most which is why i think it could be done in car having looked at the workshop manual, however i don't know how to get parts etc. so would rather hand this one over lol.

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https://www.sau.com.au/forums/topic/397937-gtr-front-diff-drive-pinion-play/
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The Dan Grand Master

The Dan

Posted
Posted

The hardest part is knocking the bearing races in straight and then setting preload. I highly recommend freezing the races over night or over 2 nights so they go in easily and make sure you give the inside of the housing a light rub with sand paper to ensure no heated metal has raised or moved in the last 20 years. Don't take too much away though

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