NV3550 input shaft retainer RTV - which one?

gethin · May 13, 2014

I had a broken input shaft retainer, 03 Rubi TJ, and did a clutch job while I was there. I am reinstalling the new input shaft retainer, part 28 in this diagram tonight

https://www.quadratec.com/jeep-replacement-parts/jeep-transmissions/nv3550.php

and wondering what RTV to use? I have a tube of Permatex MotoSeal Number 1 grey, what did you guys use, and would the Permatex grey be OK for this application? It's rated for 177 Deg C continuous. I don't want to use it and have to tear it all down again with an oil leak.

I am also installing a new front drive main gear drive seal, number 1 in the above link, but I don't have the tool to install it pictured in the NV3550 rebuild notes, can I just use a tube the same size and tap it into the retainer?

Appreciate any feedback. :tea:

Cheers!

gethin · May 13, 2014

ps I have a tube of permatex ultra copper too

robncar · May 13, 2014

When the FSM says:

"Mopar Silicone Sealer" they mean the air cure hi temp...

You can substitute Permatex Ultra Black.

"Mopar Gasket Maker" they mean the Anaerobic Gasket Maker (absence of air cure).

You can substitute LocTite 518 or Permatex 51813:

gethin · May 13, 2014

Brilliant, thanks very much for the quick reply. It's all apart in my garage, will have to nip out lunchtime from work to pick up a tube of that.

Cheers,

Gethin.

Cuder · May 13, 2014

It says silicone for the front bearing retainer above Fig 113. The seal keeps the oil in, the silicone is just incase the seal leaks. Just be cafeful and tap the seal in as straight as possible.

robncar · May 13, 2014

Yep... see post #3.

gethin · May 13, 2014

Ahh ok, a thin coat of silicone should be fine then, and keep it out of the oil hole. Thanks for clarifying.

gethin · May 13, 2014

So, just to be 100% sure, I just have to use the black 82180 on the outside lip of the retainer, and tap in the new oil seal? I don't need the 51813.

NV3550 input shaft retainer RTV - which one?

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