How To Change The Differential Fluid In Your Car - Honda S2000

Опубликовано 23 декабря 2016, 15:00

How To Change The Differential Oil In Your Car - Synthetic Gear Lube
Mobil 1 Diff Oil - amzn.to/2fhG0aZ
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Tools Used:
Quart Pump - amzn.to/2fS8V3G
Mobil 1 Diff Oil - amzn.to/2fhG0aZ
Digital Torque Wrench - amzn.to/2gb7Zbz
Socket Set - amzn.to/2fIFOlZ
Diff Drain Plug Washer P/N: 90401-PCZ-003
Diff Fill Plug Washer P/N: 90402-PCZ-003

Related Videos:
Lift Car On To Jack Stands - youtu.be/X2XdxPJnpNE
Change Your Engine Oil - youtu.be/uQFYCKekVcE
Honda S2000 Playlist - goo.gl/FflSr1

1. The first thing you want to do is make sure the car is on level ground, and raise it up onto jack stands ensuring that it is still level. I had an additional video on how this is done if you are curious. It’s important that the car is level so that you add the appropriate amount of oil to the differential housing, and so that it properly drains.

2. With a drain pan located underneath, you’ll want to locate and remove the oil filler plug. This is the plug on top, not to be confused with the lower plug, which is the drain plug. Removing the fill plug will allow you to check the level of the oil and its cleanliness.

3. Removing some of the oil to examine, with the old oil on the left and the new oil on the right, you can see the old oil is clearly dirty and will need to be replaced.

4. Our next step is to remove the drain plug and drain the differential fluid.

5. With the fluid drained, reinstall the drain plug, making sure to use a new washer, and use a torque wrench to tighten the bolt to 33 lb-ft. Be careful not to over-tighten, as you could damage the housing threads.

6. Next, we’ll begin refilling the transmission fluid. Honda recommends using API classification GL5 or GL6 gear oil with a viscosity rating of SAE 90. As you can see, I’ll be using Mobil 1’s 75W-90 GL5 synthetic gear lubricant. Now ideally, you don’t necessarily want something with a lower cold rating, in this case 75, but what’s critically important is the number on the right, after the W, which is 90. You want to make sure whatever oil you end up using, the final number is no lower than 90. This 90 is the viscosity rating of the oil at operating temperature, so even though this oil is rated 75W-90, it will act exactly like an SAE 90 oil once the differential is at operating temperature. The only difference is it will be somewhat thinner at lower temperatures, but you shouldn’t be driving your car hard until it’s warmed up regardless.

7. To add oil, I’m using a fluid pump that fits directly on top of quart size bottles, so I can use it right on the diff oil bottle. I’ll include a link to this tool in the video description.

8. Pump in the differential fluid into the filler port until you have some oil start to spill out. This ensures that your differential fluid is at the correct height, and you’ve added the correct amount.

9. Re-install the oil filler plug with a new washer, and use a torque wrench to tighten this bolt to 33 lb-ft, just like the drain bolt.

10. With the fluid in place and both bolts torque to spec, wipe up any excess oil that remains on the differential case, and you’re good to go!

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