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| Sierra SJ70 transmission leak https://auszookers.com/forum/viewtopic.php?f=5&t=50941 |
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| Author: | Epxs101 [ Wed Sep 02, 2015 9:45 pm ] |
| Post subject: | Sierra SJ70 transmission leak |
I have a 92 sierra sj70 with a g13ba. The 5 speed seems to be leaking oil and it's soaking the rear transmission mount. It seems like it could be the output shaft seal. Although I read it is dry in the rear case. Where else should I be checking? It is transmission fluid for sure. Do i need to remove the transmission to be able to troubleshoot this? I checked out the FSM but it looks like a little bit of work if i have to get the transmission out. I'm going to have to pull it out aren't I? 
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| Author: | Blkfxx [ Wed Sep 02, 2015 11:17 pm ] |
| Post subject: | Re: Sierra SJ70 transmission leak |
Gearbox output seal can be done with the box in the car still. May have to unbolt Tcase to move it over slightly to get jackshaft out. |
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| Author: | MarutiGypsy [ Thu Sep 03, 2015 11:48 am ] |
| Post subject: | Re: Sierra SJ70 transmission leak |
If you do have to remove transmission it isnt that hard if you put a notch in the crossmember to drop it down. |
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| Author: | Munster [ Tue Sep 08, 2015 6:34 pm ] |
| Post subject: | Re: Sierra SJ70 transmission leak |
Overfilling the gearbox will cause it to leak as well. |
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