Do I check transmission fluid with the engine running or off?

Do I check transmission fluid with the engine running or off?

Step-By-Step Instructions For Checking Your Vehicle’s Transmission Fluid. Let engine warm up and continue to run throughout operation unless vehicle’s owner’s manual says otherwise. (Be aware that some automatic transmission fluid levels are checked with the engine off. Check owner’s manual.)

When to check the transmission fluid on an Oldsmobile Alero?

The engine should be running when you check the transmission fluid dipstick on a 2000 Oldsmobile Alero GL 3.4L V6 Sedan (4 Door) About Us Maintenance Parts & Tools Contact English SpanishFrench Search Home Oldsmobile Alero 2000 Transmission Fluid / Check Fluid Level Transmission Fluid Level Check Oldsmobile Alero (1999-2004) 1.

Where is the transmission check plug on an Alero?

Locate the transmission check plug on the side of the transmission pan in the center front end of the car. Unbolt the cap on your check plug, using the socket wrench. Press the Alero’s emergency brake completely to the floor so that the car will not roll off the jack stands when you take it out of gear. Shift the gear stick to “neutral.”

How long do you run the Alero engine?

Run the Alero’s engine and shift it into each gear while driving it for approximately 5 minutes. This ensures that the transmission fluid is running through the system and not sitting stagnant, in order to produce a more accurate level reading. Turn the engine off and remove the key as a safety precaution.

What to do when you take the Alero out of gear?

Press the Alero’s emergency brake completely to the floor so that the car will not roll off the jack stands when you take it out of gear. Shift the gear stick to “neutral.” This pushes the transmission fluid through the transmission system and into the check plug for an accurate reading. Stick the screwdriver into the check plug hole.