What is the right way to change transmiision fluid

180

Asked by Mar 01, 2015 at 10:15 AM about the 2005 Buick LeSabre Custom

Question type: Maintenance & Repair

9 Answers

455

Remove the "fluid pan" when doing this be careful bc there is no drain plug.. Getting one side loose to drain the fluid to start. Once drained removed the pan and clean the seal off the pan completely.. May require some elbow grease.. Next remove and replace the filter located inside the transmission where the pan attaches. Replace seal and pan.. Make sure bolts are torqued to specs provided by buick. Refill and drive on :-)

4 out of 4 people think this is helpful.
180

What about the fluid in the torck converter? Is there and easy way to get that fluid out and then back in?

15 out of 15 people think this is helpful.
455

It is all done when you refill the transmission. Do you have a leak?

455

Have you changed it before and how many miles are on the car? Mine is on transmission #2.. Went out around 220,000

1 out of 1 people think this is helpful.
180

Torque convertor

3 out of 3 people think this is helpful.
180

80,000 and has not been changed

455

Change it every 40,000 from now on as suggested by your manual. It will make it last longer. I have seen a few besides mine that have over 250,000 miles and still run great and silently. Also the torque converter is located between the transmission and the motor.. The "rear main" seal keeps the oil for the converter in place.

35,425

In many vehicles nowadays the torque converter has no drain plug and is not drainable. A way around this is take your car to a service garage the has a transmission fluid exchange machine, not a transmission flushing machine. Draining fluid from the pan gets almost half the fluid changed. Note to Dirty_Harry: The "rear main" seal keeps oil in the engine and has nothing to do with the torque converter. The torque converter seal or front pump seal keeps the transmission fluid in place.

1 out of 1 people think this is helpful.
59,175

The fluid in the torque converter stays there. Just drop the pan and change the filter as Dirty Hary said and you'll be fine. HTH. -Jim

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