Question about Cars & Trucks
Hello, I have a toyota hilux of 1999 automatic and when I go up to the hill it turns on the lamp A/T OIL THERM
Transmission filter may be clogged up.. change filter and fluid in it..
Posted on Dec 28, 2013
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Posted on Jan 02, 2017
SOURCE: Automatic gearbox
How to prevent the transmission from damage
(The filter usually is screen type and can be cleaned when remove bottom cover. but this is not to be done at regular maintenance inspection.)
- Regularly check your parking space for leaks. Doesn't matter, is it the engine oil leak, power steering fluid or transmission fluid; if you discover any, get it fixed before it caused something serious.
- Once in a while check the transmission fluid level and condition. Not all cars however have the automatic transmission dipstick, in some cars, for example, in late Volkswagen models, the transmission fluid can only be checked by the dealer. Consult with your owner's manual for details. If the transmission fluid level is too low, there is a leak somewhere that needs to be fixed.
- Change the fluid as often as it said in your owner's manual or when it becomes too dark (rather brown than red) or dirty.
Also, keep in mind that an automatic transmission can not be drained completely - there is always some transmission fluid left inside the transmission (the torque converter, in the valve body, etc.) which means you only can change about %60 of the fluid at once. This is one more reason to change it more often.
- Use only the same type of the transmission fluid as specified in the owner's manual or on the dipstick. Some vehicles (e.g Dodge Caravan) are very sensitive to fluid type
- Never shift to the Reverse or Parking until the car comes to a complete stop.
- Never shift from the Parking mode when engine rpm is higher than normal idle.
- Always hold a brakes down when shifting from Parking.
- The automatic transmission can be damaged if towing with the drive wheels on the road. Always use a dolly or place powered wheels on the towing platform (if the vehicle is front wheel drive - tow it from the front leaving rear wheels on the road.
Posted on Jun 12, 2008
SOURCE: toyota hilux surf ssrg 1991
I have a 95 3.0l and mine does this when the fuel filter or injectors are blocked. I ran a bad batch of bio diesel and had the same thing about 6 times. As soon a you take your foot of the revs the light goes back out.
Posted on Oct 19, 2008
SOURCE: gearbox oil
there is a pan at the bottom of the transmission that you can drain the fluid from.... you'll need to get a new gasket and it's a good idea to change the filter at the same time. usually you can buy that in a kit that includes both... most automatics don't have a drain hole. but be aware that you have to make sure that that is the correct transmission fluid for the tranny.
also realize that draining the pan and changing the filter is good maintenance but there is still a large amount of flud in the torque converter and transmission cooler.
I'm not sure how advisable it would be to mix the two types of fluid
changing the filter might be a better option... also when you do that there is a small magnet in the pan ... it catches any small metalic flakes as the bands wear.
and while you have the pan off you can adjust the bands... you'll need a manual to make suire that is done properly... that is if that transmission requires adjustment.... as far as i know the new electronic transmissions don't need to be adjusted.
Posted on Dec 18, 2008
go have a look at the feul filter (prsuming its deise and that it is the only light staying on after startingl) under there will be a little white butterfly nut loosen this nut and see if water or diesel poors out of there or alternatly replace the filter easy to do ,or do what every one else does and diconect the wire ,but there is always gonna be a result from not doing it correctly,good luck
Posted on May 17, 2009
Here is a link to a step by step instructions on how to change the gearbox oil. If you don't want to change it, go to the refill portion of the instructions.
Fill it until the gear oil starts to run out of the fill hole.
Posted on Oct 05, 2009
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