On the out put housing pass side small plug 11mm wrench remove while car idling on a level surface add correct fluid type until runs out of hole
For anyone who may happen along with the same issue as the first questioner I will go into a tiny bit more detail than the first answer.
It's called a "check plug" and it is found on the passenger side of the transmission case between the engine and transmission near to where the CV shaft plugs into the transmission. Remember to change the fluid (dextron III) and filter every 50,000miles or 80,000Km's. This is easy to do if you are even quasi mechanically inclined as it is an easy fix and will save you hundreds in unnecessary labor at a quick lube place or garage.
SOURCE: 2002 Alero shifting hard
I have a 1999 Oldsmobile Alero and my car was running rough and stalling. Also when the car was shifting, it was making a "thud" sound. My service engine light was on, so I took it to Autozone to run their diagnostic tool. It came back with code P0108 and they advised me to check my vacuum hoses as a possible solution. I looked and found that my air hose running from my throttle body to my map sensor was disconnected. I reconnected the hose and the engine ran normally and didn't make any "thud" sound when shifting. My car is back to normal. So check your hoses. If its still running rough, you may need to replace your map sensor.
SOURCE: Tranny Fluid Dipstick Location on a 02' Olds ALero...
Your Alero does not have a transmission dip stick. You do not need to check it unless it starts leaking.
Please let me know if this information is helpful. Positive feedback is appreciated. Thank You!
SOURCE: how do you check a 2004 alero transmission fluid
2004 Aleros with auto trans DO NOT have a dipstick under the hood. They do have a filler cap, located on the driver side, look straight down under the edge of the exhaust crossover, black cap with a gear on it. According to the Manuf. the AUTOMATIC Transmission (should not need to be checked unless there is a leak) has a plug in the side just like the manual transmission. You remove the plug in the side and fill thru the top until fluid runs out the side hole. Replace the plug and the fill cap when done.
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This helped me. I did not know this car didn't have transmission dipstick
We're do you fill the transmissions fluid at.
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