A differential is one of the car’s most important moving parts. It’s ...
A differential is one of the car’s most important moving parts. It’s the thing that takes the torque from the vehicle’s driveshaft, and distributes it among the driven wheels.
Since there’s the lot of metal-on-metal contact inside the differential, it needs fluid to lubricate itself and work effectively. Jason from Engineering Explained is here to show us how to change that fluid to keep your differential in top shape.
The first step is to get your vehicle on level ground, and raise it on jack stands or the lift so you can access the differential’s drain and fill plugs. It is important to keep the car level, even when raised up, to ensure a correct amount of new fluid makes its way into your diff.
The next thing you have to do is locate the fill plug, take it off. After that, find the drain plug, and unscrew it. Fluid will come out, and make sure you have something to catch it with.
After every last drop makes its way out of the drain hole, replace a drain plug, making sure to use the new washer and the torque wrench so as not to damage the threads. Then, simply refill a differential with whatever fluid your car’s manufacturer recommends. Replace the fill plug with the new washer and boom, you’re done.
Watch as Jason walks us through a differential fluid change in his personal Honda S2000 in great detail. If you are looking to get into basic maintenance, this is a must-watch.
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