K 1500 Truck 4WD V8-5.3L VIN T (1999)
1. Remove the floor console.
2. Remove the hush panel.
3. Remove the extended console air duct.
4. Remove the seats.
5. Remove the HVAC module.
6. Roll the carpeting back in order to expose the rear floor air ducts. Refer to Carpet Replacement - Front in Interior Trim.
7. Remove the rear floor ducts from the floor studs.
8. Remove the rear floor duct.
INSTALLATION PROCEDURE
1. Install the rear floor air duct.
