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Originally Posted by f carillo
thank you for the reply about the 4t40e transmission tech. bulletin #325 just one more question , after i return the shifter back to the park position should i leave the engine running while i remove the oil level control plug to see if the fluid is at the right level? thank you for your help.
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Yes, the engine is supposed to be left running whenever checking ATF fluid level or adding ATF. See below:
Caution: Removal of the oil level control plug when the transmission fluid is hot may cause injury if fluid drains from the oil level control plug hole.
The transaxle temperature should be above 40° C (104° F).
Raise the vehicle and make certain it is level (do not raise just the front of the vehicle).
Apply the brakes, move the shifter through all of the ranges (engine running) then return the shifter to the park position.
Remove the oil level control plug.
If fluid does not drip from the oil level control plug hole, the fluid level is low. Add fluid through the vent cap as necessary.