Question about 2002 Oldsmobile Alero

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How to check trans oil on the '02 olds alero - 2002 Oldsmobile Alero

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Hi! The transmission on this model does not have a dipstick. Instead it uses a transmission fluid oil check plug. It is accessed under vehicle. To check fluid level you must remove oil check plug. if fluid is coming out transmission is full. If it requires some fluid you can get a gear oil bottle and a short piece of hose to put on end of nipple and squeeze dextron 3 transmission fluid in until it runs out of plug hole. Then re-install plug and snug it up. **Note: Car must be on level surface with engine off when checking. Use suitable jack stands in front and rear to make vehicle as level as possible.Always wear safety goggles when working under vehicle. I have included a picture of fill plug location for you. I hope you find this information useful!how to check trans oil on the '02 olds alero - caf5dc7.gif

Posted on Sep 12, 2009

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  • This care does not have a dipstick but can easily be checked at home.

  1. 1. Warm the car up to running temperature.
  2. 2. Park it on a level surface.
  3. 3. Leave the car running and set the emergency /parking brake. Also set bricks in front and behind the wheels.
  4. 4. Look on the passenger side of the transmission (underneath the car)
  5. 5. You will see a 10mm bolt a little bit inward from the right axle on the transmission itself.
  6. 6. Have a drain pan ready and pull that bolt.
  7. 7. If fluid comes out it is full.
  8. 8. If no fluid comes out then add ATF III in the fill port on top of the transmission until the fluid just barely seeps out of that hole you removed the bolt from.
  9. 9. This port is on top of the transmission (under the hood) and is usually red or black in color.
  10. 10. The transmission is now full and ready to go.
  • Hope this helps.

Posted on Nov 03, 2011


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