2016 Ford F-150 Fx4 (4WD) 2.7L Ecoboost. I attempted to change the front differential oil today. All I managed to do was extract about 300mL and make a big mess. I had driven the truck down a dirt road in 4WD for a few miles to warm up the viscous gear oil. There is only a fill plug on the front axle and the cover is quite inaccessible so I was using this extractor with the small diameter black tube. I already have the Amsoil gear oil and am an experienced DIYer.
Do I need to buy a pneumatic extractor or (gulp) take it to a shop?
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I’m a Toyota tech we have a machine that mostly does it for us basically a vacuum pump if you can’t get it to drain with the drain plug. Also a pump for fluid to pump into the dif it’s just a lot easier in the air and the fact I do 3-4 a week doesn’t hurt. For the most part on Toyotas I can’t speak for other brands because our shop (dealership) really doesn’t do anything other than rotations and tires for non-Toyotas but they’ll have 2 plugs 1 drain and 1 fill. Provided they aren’t rusted to hell. Before you drain fluid I’d make sure you can’t get them both loose before proceeding with the service because if you drain fluid and the fill will not crack loose without breaking your fucked.