help with diff and transfer case

I took my jeep to midas and they replaced all my diff and transfer case seals only to then find out the diff is shot up front, but now all the seals are leaking again. i got a refund, but they quoted me 1250 bucks for a front diff installed. I don't have the cash right now so i through in some heavier grade diff fluid how long can i go before the diff fully goes and if it goes can it cause a crash? As far as the transfer case seals thy replaced them twice and they still leak what can i do?

i through in some heavier grade diff fluid how long can i go before the diff fully goes and if it goes can it cause a crash?

I don't think a failed dif will cause a crash. It will just stop the front wheels from turning when in 4WD (maybe make a horrific noise if the gears seize while in 4WD). If you have part-time 4WD you should be fine - just leave it in 2WD. If you have Quadratrac (???) and it's always in 4WD then I'm not sure what would happen if it failed, but either way it won't affect the brakes and steering.

As far as the transfer case seals thy replaced them twice and they still leak what can i do?

Not sure on this one. I suggest confirming where the leak is coming from. Sometimes it comes from higher up (another component somewhere) and runs down to a seal, giving a false indication of where the leak is coming from. If it's a tiny leak, try cardboard on the floor of your driveway/garage (cheap fix for old cars).

Replace the bearings behind the seals.


As far as the transfer case seals thy replaced them twice and they still leak what can i do?