Toyota RAV 4 awd 1996 how do i refill the front diff

Question edited for clarity.

Thread: Nissan 1400 Gearbox Oil

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Apr 4, 2022 - The filler plug is probably on the lefthand side halfway between top an bottom. Its a square plug with tapered thread. If the oil on the gear ...

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How do you fill gearbox oil in a Nissan 1400?

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The filler hole is usually located at the correct height to fill the gearbox. So once it overflows.More The filler hole is usually located at the correct ...

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about 1/2 way up the front housing near where the crown wheel is or where you fill it
the level is correct when the oil is at the bottom of the hole

You don't say what type of car you have and what mileage it has run so far.

Most likely the whine is from a very worn pinion gear.

Other than replacing or rebuilding the diff there is nothing you can do other than drain the old diff oil and replace it with new oil. ONLY use the manufacturer specified differential oil in the correct grade. This may quieten the noise a little but any difference will be minimal. It may help extend the life of the worn diff a little and it will get rid of any debris suspended in the old diff oil..

The diff drain plugs are often magnetic to pick up metal to prevent it being recirculated so check if there is much in the way of metal filings on the drain plug when it is removed.

Without disassembling the diff no one can tell you how long it may last but they are expensive to replace so I would be replacing the vehicle sooner rather than later if you don't want to replace the diff.

Until you sell the car, drive it gently when moving off from a stop and when accelerating to minimise stress on the diff.

If you are going to replace the diff oil yourself the car will need to be level and ensure you loosen and remove the diff oil filler plug before you remove the oil drain plug. If you drain the oil and the filler plug is stuck you will be in trouble. It will be a lot easier to just buy the correct diff oil and take the car to a reliable mechanic to drain and refill the diff for you while the car is up on a lift/hoist.

there is no need to blead air from the gearbox or transfer, or diff's
first the transfer and gearbox are together but use their own oils and are changed seperatly
remove the drain plug to drain, refit then refill through the filler flug, the correct level is thesame as the filler so when starts draining from the filler hole its full. car needs to be level/flat ground when doing this.
if its auto there will be a tube for checking the level, at the back of the engine under the bonnet. auto trans oil does need the engine running to check for correct level.
remove drain plug with the engine off, refill approx same amount of oil in to the dipstick tube, then start the engine, select each gear for a couple of secconds then back to neutral, check level with engine still running. adjust level if needed.

some trans dont have dip-stick tubes any more they are checked and topped off from under car when serviced also atf oil is very thin and has alot of detergents as compared to 90wt gear oil, i would drain and refill front diff. yes.

Underneath the transmission there is a 14mm bolt, that is the drain plug, and Toyota doesn't have serviceable transmission filters, the filter is made of metal and is seal.

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did the diff drain plug come out with a long sleeve on it? if it did it should have a small allen key screw in the middle which needs to be removed and replace the rest and fill fluid through the bottom until it flows out. then replace small allen bolt

There is a filler plug in front of the right rear axle about center of the housing itself. Rmove plug and fill untill fluid begins to run out of plug. Do not overfill. More is not better will cause foaming damage to bearings and overheating.

its rear accel oil low light ,top up very soon as can do damage.there a nut on accel to drain and refil

I work for Toyota, and I will be glad to provide you with the actual answer:

The RAV/4 product is available in two models, a 4WD model and a 2WD model.
The difference between the two is on the 2WD model, there is no driveshaft going under the vehicle to the rear wheels, and no rear differential. There is no "RAV/2"; both models are called RAV/4's.

There is a lot of common confusuion about how the 4WD works. It is full time 4WD. In other words, it is always in 4WD. It does not "kick in/kick out/automatically engage", or anything like that. It is 4WD all of the time. But, when I say "4WD", that is sometimes mistaken for "all wheel drive", and, in this case, the RAV/4 is not "AWD". What this means is that if you raise the RAV/4 up on a lift, and put it in gear, 1 rear and the other side front tires will spin. True "all wheel drive" would have ALL 4 wheels spinning. This is not the case with the Rav/4. What the RAV does have, making up for not having "True AWD" on the 5 speed model, however, is a switch that locks the center differential in the transfer case, which, when engaged, applies a method of "locking" the 4WD system for maximum traction, but it is still not AWD. The automatic version doe not have this ability.
The last "true AWD" vehicle for purchase was a 1970's International Scout.
If you are considering purchasing a RAV/4, that is a very good investement. They hold their value quite well, and are virtually bulletproof; I do not make any "money" off my RAV/4 customers...
Just "gas station work". Very nice cars. I hope that this helps you, please feel free to comment back with any otherr questions...Glad to be of assistance.
Toyota Ed