Gear oil clarification please

[JFerg65]

I have done all searches and read more than I care to regarding gear oil.

All I want to know is if I am going to run into trouble running synthetic gear oil in my 1996 2500 Suburban? Just when I think it is safe to log off and not read anything else about the subject.... I find a post saying that it is going to swell my seals and cause problems.

So, any help would be appreciated.

Thanks

[DmaxMaverick]

As long as you are using it in the diff (you didn't specify), it's fine. A good idea, IMO. No gear oil anywhere else. The grade can also be significant. 75-90 for up to moderate towing, and 75-140 for heavy and frequent towing in hot climates.

[JFerg65]

Sorry about that. Yes I am talking about the front and rear diff's. I will do some occasional towing, nothing too heavy. Thanks for the feedback