The Chevrolet Venture minivan replaced the popular Lumina APV in the 1997 model year. Just as with other minivans and passenger vehicles, the Venture needs routine coolant system service, including coolant replacement. Draining the radiator on the Venture should never be attempted when the cooling system is warm or hot. Once the engine has cooled, however, draining the radiator is a fairly simple task that can be accomplished in less than 30 minutes by anyone with basic automotive repair skills.
Drive the Venture Van onto ramps; turn off the engine and set the parking brake. If the engine is hot, let it cool down for a few hours before continuing. You might want to do this step the night before you do the following steps to ensure the Venture has completely cooled before opening the cooling system.
Raise the hood and open the coolant overflow tank to allow the cooling system to vent.
Slide underneath and position the catch pan under the radiator on the driver’s side at the front of the Venture's engine compartment.
Insert the Allen wrench into the radiator drain plug, located at the bottom left corner of the radiator, and loosen the plug by turning it counterclockwise until coolant begins to pour out and into the catch pan.
