Start the engine. Shift the gear selector into the corresponding mode – “Park” or “Neutral”. Unscrew the inspection plug at the bottom of the gearbox. If the fluid leaks out of the hole, there is no need to top it up. Screw the cap back in. If nothing leaks out, this means there isn’t enough oil. Don't overfill or underfill the gearbox, engine oil or differential. Fill the gearbox until the oil BARELY begins to seep out of the hole in the side of the box. Then, let the car sit for a few minutes or so and check it again. With or without overdrive, that's how you do it. If you change your transmission oil, you should also replace the filter to make sure that any remaining particles are filtered out. Common Castrol gear oil types are 75W90, 80W90, and 75W140 for automatic transmissions. You need to find out which oils are approved and which one is currently in your vehicle. Do so swiftly, thereby minimizing oil loss. Even though slight vacuum holds the charge of oil inside the gear case, inevitably some oil will spill over into the drain pan. Hand tighten both the lower and upper drain plugs and wipe off any oil that may have streaked onto the lower unit. Pulling the plug on your lower unit will extend its life. We are dropping the lower unit on our Mercury OptiMax to install a new impeller and new gaskets. We also give step by step instruction on how to change the g . The oil needs to be changed every 30,000 to 50,000 miles, unless your owner’s manual states otherwise. The differential is a part in your vehicle that compensates for the difference the inner wheel and the outer wheels travel when you turn a corner. If you have a rear-wheel drive vehicle, your differential will be in the back with its own I give you valuable tips like tightening the bolts on the transmission valve body gasket so you get crisper shifts or using silicone on the rubber gas more more Shop the ChrisFix store Milky gearbox oil means there's moisture present and that's not a good thing. My bush hog had that issue, so in today's video we're going to change it. Mos First Name:Gareth. Toyota Model: 2005 Corolla T-Sport. Toyota Year: 2005. Location: Yorkshire. Posted October 20, 2010. it probably doesnt need changing. changed mine at 60,000 miles, never been done before, but did it as its a relatively cheap and easy job to do, and its not going to harm it changing the oil. The gearbox needs to have the oil changed at every 20k or 2 years which ever comes first. You should also change your transfer box and rear axle oil at the same time. It sounds rather frequent but it is correct. However, it is easy to do it yourself if you don't mind crawling around underneath.

how to change gearbox oil