Comprehensive nutrition resource for Sonic Chocolate Shake - Regular. Learn about the number of calories and nutritional and diet information for Sonic Chocolate Shake - Regular. This is part of our comprehensive database of 40,000 foods including foods from hundreds of popular restaurants and thousands of brands.
Duct BlasterÂ®. 1  A Duct Blaster is used to directly pressure test the duct system for air leaks, much the same way a plumber pressure tests water pipes for leaks. 2  The Duct Blaster fan is first connected to the duct system at the air handler cabinet, or a return grille. After temporarily sealing all remaining registers and grills, the Duct Blaster fan is turned on to force air through all.
How it's done: 1  The Blower Motor Relay is verified that it needs to be replaced. The blower motor relay is located by the blower motor or in the relay panel. 2  The defective Blower Motor Relay is disconnected or the relay is pulled out of the socket. 3  The socket or connection is checked for damage. If there is no damage the new Blower Motor Relay is installed. The Blower Motor Relay is tested for operation by turning on the blower. The vehicle is tested to ensure proper operation of the Blower Motor Relay by running the blower at all speeds.