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Transmission Fluid
Oldsmobile Cutlass

Where is the plug and pan to change the transmission fluid on a 1990 Oldsmobile Cutlass?

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2005-01-02 23:17:18
2005-01-02 23:17:18

On the bottom of the transmission. May or may not have a drain plug. Draining and replacing this fluid will only get about 25% of the fluid in the system removed. The fact that you ask this question, leads me to one conclusion. Take this to the dealer and let them change it. Almost all automatic transmissons on American made cars do not have a drain plug (like the engine oil drain plug). These systems are sealed and not really made to change the oil since few problems are associated because of the oil. Some auto part shops offer suction type devices to suck the transmission oil out thru the fill tube of the transmission. The most comman way is to jack up the vehicle from the front end, and then remove the lover pan underneath the transmission. Be careful since the pan will contain the oil used in the transmission, There is no other way to drain the oil before removing the pan. Since you will have access to the filter, replace the auto transmission filter that can be obtained at your local auto parts store. Once the oil is removed, replaced the seal (gasket) that also can be obtained from the local auto parts dealer. Refill with suggested required amount in your auto manual or ask your auto parts dealer the amount required for refilled.

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You add fluid at the same place you check it.

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I got 2 gallons of transmission fluid... Use one gallon then keep checking the dip stick for the fluid to rise.

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There is no transmission drain plug. You have to drop the entire pan to change the fluid. Always change the filter while you have the pan off and clean any metal shavings from the pan.


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