Automatic transmission fluid capacity 2003 Chevrolet avalanche?

The automatic transmission fluid capacity for a 2003 Chevrolet Avalanche depends on the specific transmission it has. There were a few different transmissions used in that model year. You cannot determine the correct capacity without knowing the transmission type.

To find the correct capacity, you need to:

1. Locate your vehicle's identification number (VIN). This is usually found on the driver's side dashboard, near the windshield.

2. Use the VIN to determine the transmission type. You can do this through a Chevrolet dealer, a parts store (like AutoZone, Advance Auto Parts, etc.), or online VIN decoder websites. The transmission type will be listed in the specifications.

3. Once you know the transmission type, consult your owner's manual or a reputable online repair manual (like Chilton or Haynes). The owner's manual should specifically list the capacity for your transmission, or you can search for the correct capacity online based on the transmission type.

Without knowing the specific transmission, providing a capacity is inaccurate and could lead to incorrect fluid levels. Always consult your owner's manual or a reliable source for your specific vehicle.