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I'm not all that familiar with the car four speeds yet, but what fluid is recommended for the 833? I remember a Neon I used to have called for the pennzoil synchromesh fluid and it was pretty thin. I've seen some mention of gear oil all the way to ATF in an 833, so I'm not sure what's correct, but a little thicker oil might stop the leak too.




Whenever I've tried using the thinner 'synchromesh' fluids, I get leaks. I've always gone back to the thicker gear oil. If that's what you decide to do, make sure to use GL-4 rated gear oil - GL-4 is compatible with synchromesh transmissions. GL-5 rated gear oil is NOT designed for synchromesh transmissions, and will cause grinding while shifting.




Same here , I used Mobil 1 in the trans I put the OD cluster pin in and it leaked like a stuck pig. I've had Mobil 1 634 , equivalent to 140wt gear oil, leak past NPT fittings that had telfon tape on them




Thanks! I think I'll try the GL-4 first before removing the tranny.

If that fix can stop the leak I'll be very


70 Challenger, 440, 4-speed, pLuM cRaZy
71 VW Super Beetle Convertible, Lemon Yellow
A couple of Jeeps…