How many quarts of transmission fluid are needed when changing in a 1990 Oldsmobile calais 2.5 engine?
The 1990 Oldsmobile Calais with the 2.5L engine requires approximately 3 quarts of transmission fluid for a complete drain and refill. However, it's crucial to consult your owner's manual for the precise amount. The actual amount might vary slightly depending on the specific transmission type. You'll likely need a bit more if you're also flushing the transmission.