B2500 SX Regular Cab 2WD L4-2.5L VIN C (1999)
Air Duct: Service and Repair
Heater Outlet Floor Duct
1. Remove the plenum chamber.
2. Remove the screws and remove the heater outlet floor duct.
3. Install in reverse order of removal.
Tightening Torque
2 - 3 N.m (20 - 30 kg.cm, 18 - 26 in.lb).