Question about 2005 Cadillac CTS
Hi, there is a fill plug on the driver's side of the transmission. When the fluid is at the level of the fill plug, the level is correct. The fill plug is half way up the transmission and looks just like a manual trans or differential fill plug, with 3/8 inch square hole in it to insert a ratchet. To check the fluid level, remove the fill plug and see if any fluid drips out. If not, you can either use a pump to fill or put a nozzle on the end of your ATF bottle and attach a clear hose. Stick the hose into the transmission at least an inch deep--more if possible. Turn the ATF bottle upside down and squeeze fluid into the tranny until it starts to drip back out. You may need to hold the hose onto the nozzle to prevent the nozzle from slipping off while squeezing the bottle. This is the same procedure used for manual transmissions.
If you need to drain the fluid, you can remove the fluid temperature sensor near the bottom of the transmission. Using this approach, the transmission should take only about 4 quarts to refill. Be sure to apply teflon tape to the threads when replacing the sensor and the drain plug. Please let me know if you have more questions, and thanks for using FixYa.
Posted on Dec 31, 2010
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Posted on Jan 02, 2017
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