Service Intervals: Transmission
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1992 GMC Yukon, 1992 GMC Vandura Special, 1992 GMC Vandura, 1992 GMC Value Van, and 1992 GMC Sonoma. However, it is still accessible from the selected car via links, so may be relevant.
On all light duty vehicles, check transmission fluid level every 12 months or 7500 miles. On heavy duty vehicles, check fluid level every 12 months or 6000 miles. Periodic draining and refilling is not required.