# Gear box oil maintenance **URL:** \ **Category:** GEM Forum\ **Created:** [May 8, 2021, 3:29pm UTC](https://community.electricforum.com/t/gear-box-oil-maintenance/21405 "2021-05-08T15:29:34Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![AssyRequired](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/assyrequired/32/7621_2.png) [@AssyRequired](https://community.electricforum.com/u/AssyRequired)\ **Post date:** [May 8, 2021, 5:09pm UTC](https://community.electricforum.com/t/gear-box-oil-maintenance/21405/4 "2021-05-08T17:09:15Z")
Sometimes you have to play with different keywords. Here are a few to get started. > [@Lubrication of a GEM E4](https://community.electricforum.com/t/lubrication-of-a-gem-e4/15166): > > I have a 2010 E4. The owners manual says nothing about lubrication anywhere. I can get to some of the obvious places, but I am concerned about the trans axle and diffirencle. Any info would be appreciated. TIA Gary > [@How much Gear Oil does the Transmission take?](https://community.electricforum.com/t/how-much-gear-oil-does-the-transmission-take/15055/9): > > I just changed the fluid in my 08 E4 a couple weeks ago. I have to be honest and say I did not measure the amount removed or the amount added. I used a power oil extraction pump (we use on our boat) to pull as much oil as possible out from the rubber drain/fill hole, then refilled until it ran out the same hole. I must say it did not seem like it was 12oz, it seemed less but again I have not real idea. Well that was about worthless info now that I typed it… --- _[View the full topic](https://community.electricforum.com/t/gear-box-oil-maintenance/21405)._