What type of fluid goes in the rear differential?
There are two types of differential fluid. One is mineral oil, which is a natural, crude oil-based fluid. The other is synthetic differential fluid, which is created in a lab.
Does it matter what differential fluid you use?
Use the highest-quality gear oil you can afford to fill the differential. The weight and capacity will be listed in your owner’s manual; your differential will usually hold as much as 3 quarts. Be sure to read that manual, though, because some limited-slip differentials require a secondary friction-modifying additive.
How do I know which differential fluid to use?
The best way to determine which differential fluid is correct for your application is to reference your vehicles owner’s manual. Using the appendix, locate the section under fluids, transmission fluid, transfer case fluid, or lubrication.
Does 2011 4Runner have locking differential?
The 4Runner Limited is equipped with full-time, four-wheel-drive system with a locking center differential and a three-mode, center console-mounted switch.
Is rear differential fluid the same as transmission fluid?
Differential oil contained in its own housing is sometimes referred to as gear oil. It is thicker than engine and transmission oil and designed to perform under the high pressure of gears mashing together. The gear oil splashes throughout the housing, lubricating gears, bearings, and clutch packs.
Can you overfill rear differential?
If you fill it up to the hole you are putting a bit more pressure on the half-shaft seals. The old amount was 1.55 Ltrs rear and the new amount is 1.35 Ltrs. That’s a difference of almost 7 ounces. If you fill the diff oil to the fill hole and let it drip out you are overfilling.
What generation is a 2011 4Runner?
The 2011 4Runner represents the second year of the fifth generation. The 2011 Toyota 4Runner is powered exclusively by a 4.0-liter V6 that generates 270 horsepower and 278 pound-feet of torque.
How fast can a 4Runner go in 4 high?
Typically you can shift into 4WD at any time but optimum speeds seem to be less than 35mph. As far as driving in 4WD, highway speeds of 55-65mph typically aren’t excessive, unless conditions prohibit safe driving at that speed.
Can I use gear oil as diff oil?
Yes if you are referring to a manual transmission fluid say a 75–90w gear oil GL5 which is what is suggested for most Tacoma’s. I use a synthetic gear lube 75–90 GL5 in the rear differential. My transfer case and front differential use ATF, which is also a synthetic, Mercon type.