Rear Diff Fluid

WheatBread · Postby **WheatBread** » Sat Mar 09, 2013 12:11 pm

What size allen wrench do I need to change the rear diff fluid and what is the capacity or how much do I need to buy to change it out?

Postby **smj999smj** » Sun Mar 10, 2013 6:05 am

10mm allen wrench.

1.5 quarts API GL-5 Synthetic 75W90

WheatBread · Postby **WheatBread** » Sun Mar 10, 2013 7:50 am

thanks man

dawgn86 · Postby **dawgn86** » Sun Mar 10, 2013 8:18 am

Be sure you can open the fill plug before you drain the old fluid out

JAHBLESSINGS · Postby **JAHBLESSINGS** » Mon Mar 11, 2013 4:46 am

dawgn86 wrote:Be sure you can open the fill plug before you drain the old fluid out

i second this.

Postby **smj999smj** » Mon Mar 11, 2013 7:10 pm

The drain plug also has an aluminum crush washer that Nissan recommends replacing, but I've never had any issues with reusing them. Of course, if I had new ones at the time I drained them, I would have replaced them.

doctahjones · Postby **doctahjones** » Mon Mar 11, 2013 9:58 pm

smj999smj wrote:The drain plug also has an aluminum crush washer that Nissan recommends replacing, but I've never had any issues with reusing them. Of course, if I had new ones at the time I drained them, I would have replaced them.

if it's the same one that's used for oil changes, i got it for free last time i visited courtesy nissan (courtesyparts.com). so sad they're not just right down the road from me.....but so happy that now the mountains are

Postby **smj999smj** » Tue Mar 12, 2013 10:28 am

On mine it's a flat aluminum washer, same used for the transfer case plugs, and unlike the copper washer used for the oil pan and trans pan plugs.

Copper washer P/N (oil pan, AT pan): 11026-JA00A (formerly 11026-01M02)
Aluminum washer P/N (transfer case, diffs): 11026-4N200

jose969 · Postby **jose969** » Wed Mar 13, 2013 7:24 pm

How often should you replace it? I'm on about 111,000 or so.

Postby **smj999smj** » Wed Mar 13, 2013 9:40 pm

Depends on the type of driving you do. If you do a lot of off-roading in muddy conditions, I would recommend every 30,000 miles. If you drive only on paved roads and highways, you might never need to do it, but I replace mine every 60,000 miles, regardless.

Oly 22 · Postby **Oly 22** » Wed Mar 13, 2013 9:52 pm

Hmm, the Canadian Service and Maintenance Guide says to replace the differential oil every 48000km (30000mi).

staynlean · Postby **staynlean** » Wed May 22, 2013 6:10 am

Is the fill screw the one i see located on the passenger side just a little above the drain. Does not look like i could get 1.5 quarts in there with that plug being that low? Doing this today, lemme know...

Calicajun · Postby **Calicajun** » Thu May 23, 2013 6:38 am

smj999smj wrote:10mm allen wrench.

1.5 quarts API GL-5 Synthetic 75W90

Is this the fluid that comes in the rear end from Nissan or an upgraded fluid?

Postby **smj999smj** » Sat May 25, 2013 11:03 pm

That's the Nissan service specification for the differential oil, so it should be the same as what's installed from the factory.

Rear Diff Fluid

Rear Diff Fluid

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