You jump in your car and notice that is feels like it is slipping out of gear or shifting in and out of neutral. What could the problem be? One problem may be that the transmission fluid and filter need to be changed.
In this tutorial, you will learn the steps to do this yourself. We are changing the fluid and filter on a 1966 Mustang. Other automatic transmissions are similar, but may vary on make and model on car.
Jack car or place on lift. If using a jack, use jack stands to secure car. Never craw under a car with only a jack holding it up.
Count the number of bolts holding the transmission pan on. Give parts store the motor you have and the number of bolts holding the pan on. 11, 15, or 17. This will give them the information to get you the right filter and gasket.
Buy 4 to 5 quarts of Type F transmission fluid.
Place drain pan under transmission pan. (Wearing gloves will keep you much cleaner.)
Loosen one side of transmission pan to allow fluid to drain.
Remove all 11 bolts and remove holding pan and remove pan.
Remove 1 7/16 inch and 8 5/16 inch bolts holding filter in and remove filter.
Remove gasket. This may require a gasket scraper.
Inspect pan for any highs. Hammer and dolly highs level if you find any.
Install filter using a cross or star pattern.
Place grease on flange of transmission pan to hold gasket in place. Then Install transmission pan using a cross or star pattern. (12-16 ft. lbs)
Remove drain pan and lower car off of jack stands.
Add 4 quarts of Type F transmission fluid.
Start engine and allow idling to warm up. Check for leaks then re-check dip stick. If low add more transmission fluid.
- Watch The Video
- ½ inch Socket, Ratchet, and Extension
- 7/16 inch Socket
- 5/16 inch Socket
- Replacement Filter
- Replacement Transmission Pan Gasket
- 4 to 5 Quarts Type F Transmission Fluid
- Drain Pan
- Gasket Scraper
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