Question about 2001 Toyota Highlander

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Differential fluid If I understand correctly, my 2001 Toyota Highlander's front Diff is part of the transmission. That leaves the attached but separate transfer case and rear differential needing to have the oil changed. What oil does it take? Do they both take 75W90 oil?

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Hi i bought today u can use 75w90 or80w90 i bought80w90 because i m in canada and temp.below -18

Posted on Sep 22, 2010

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Center differential


IF you are in constant 4wd then you will not have a centre diff unless you have an AWD. The difference is that AWD transfer cases have a centre diff that allows different road speeds between the front and rear diffs as in going over speed bumps and dips ion the road It is the same operation in the front and rear diffs that allow one wheel to go faster than the other when cornering. However in 4wd drive there is no diff action in the transfer case and both front and rear axles drive at the same speed regardless of speed bumps and dips in the road . This action produces what is known as torque wind up which results in the handling characteristics. This torque wind up places stress on all the drive line train and results in failures such as .that you describe.. This wind up is not noticeable when driving on loose surfaces slippery surfaces or in mud as it is allowed to escape when the wheels spin . If you have an AWD with diff lock capabilities then check that the diff lock is operating correctly

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Changing transmission oil 1991 toy camry


OK auto. In that year the transmission fluid and differential fluid are not joined (although both are ATF), and have different drain plugs and fill points, so you have to identify them. First see here p 30 and p 54.

http://www.turboninjas.com/camry/ax1.pdf

Note the transmission (but not the diff) is filled through the dipstick tube. It is convenient to buy the ATF (Dexron II or similar) in a container with a tube in the cap which will do this easily, or use a long necked funnel. The final check of the correct fluid level in the transmission is done with the engine warm, and RUNNING. Move the shift lever right down to 1 or L, then back up to P, before checking.
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http://www.tsadvancedsynthetics.com/facts/g2039_banner_600px.jpg

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Is doing a transmission flush the same as changing the differntial fluid?


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Fluid capacities and fluid specs


2000 TOYOTA TACOMA 2.7L 4-cyl Engine Code 3RZ-FE

Engine Oil Grade 1......API* All TEMPS......5W-30 Optional ..10W-30
Engine, 2WD, with filter..........5.5 liters
Engine, 4WD, with filter..........5.4 liters

Manual Transmission,......GL-5/ GL-4 All TEMPS......75W-90
Automatic Transmission,A340E......AF3 / A43D......AF3

Differential, Front/ Rear W/ ADRD......GL-5 ALL TEMPS......75W-90
Differential, Front Less ADRD......GL-5 ALL TEMPS......80W-90

Transfer Case,......GL-4/GL-5 ALL TEMPS......75W-90 Gear oil.

Capacity:
Cooling System, Initial Fill..........8.5 liters
Automatic Transmission, A340E Initial Fill..........1.6 liters
Automatic Transmission, A340F Initial Fill..........2 liters
Automatic Transmission, A43D Initial Fill..........2.4 liters
Automatic Transmission, Total Fill
4 speed A340E..........7.2 liters
4 speed A340F..........10.1 liters
4 speed A43D..........6.5 liters
Manual Transmission, ..........2.5 liters
Differential, With ADRD Front..........1.2 liters
Differential, Without ADRD Front..........1.1 liters
Differential, 2WD V6 Rear..........2.6 liters
Differential, 4WD Extra Long Rear..........2.5 liters
Differential, Short WB With LSD Rear..........2.7 liters
Differential, Short WB Without LS Rear..........2.6 liters
Transfer Case, Electronic..........1.2 liters
Transfer Case, STD..........1 liters


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1 Answer

Front diff oil leak


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2003 Subaru Outback 3.0 automatic transmission.


Hello, from your description it sounds like your front differential has, for lack of a better term, exploded! the grinding noise is the ring and pinion in the front differential trying to turn w/ the rest of the transmission but most or all of the gear teeth have been broken off. There are 3 sections of your transmission: the front section which is the front differential, the center section which is where all of your main clutch packs and planetary gear sets are, and the rear section which houses your tranfer clutches. Your front differential contains gear oil and the center and rear section contains auto trans fluid. You need to check your front diff fluid, this is the fluid that is most likely covering your undercarriage. Usually this concern can be repaired as long as the damage isn't to great, but to assess the damage the transmission must be removed and pulled apart. Here is a diagram of where to find your front diff dip stick.
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1 Answer

Transmission fluid


AUTOMATIC
Front differential: 1.3 quarts of 75w-90 gear oil
Transmission:(pan drain and refill only)
4 quarts of Dexron III ATF

MANUAL
(front diff and transmission are same fill point)
3.05 quarts of 75w-90 gear oil

Mar 15, 2009 | 2004 Subaru Forester

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