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Q: filling transmission on 2002 Saturn LW300

I'm going to change my transmission filter. How do you put in the new oil since the saturn l300 has no fill stick line? Do you use the vent port on the transaxle? Thaks
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There is a fluid level plug in the transmission case. It may be hidden behind some AIR ducting. With the transmission warm and in park and the engine running remove the plug, some fluid should run out. If the fluid is low add fluid by removing the vent can a fill until fluid comes out the fluid level plug hole.
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