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How to Change the Transmission Fluid in a VN Commodore
- 1). Raise the Commodore with the jack and lower it onto a pair of jack stands while it is parked on a flat surface. Engage the emergency brake to prevent it from rolling while on the stands. Slide under the engine and look for the transmission gearbox. This is a round metal tank with a pipe on either end. Place a collection pan beneath the gearbox.
- 2). Remove the fill plug bolt on with the 1/2-inch socket wrench. This bolt is located on the pipe coming from the rear of the gearbox. Remove the drain plug bolt on the front pipe using the same socket wrench. Wait 10 to 15 minutes for the fluid to drain completely from the gearbox.
- 3). Fill the fluid pump with 3 quarts of transmission fluid. Place the plastic tube in the fill plug and pump until liquid starts dripping from the plug. Reattach the fill plug. Raise the Commodore above the jack stands. Remove the stands and lower the car to the ground.