C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Heater Core: Specifications
HEATING AND VENTILATION
Auxiliary Heater Module Mounting Bolts............................................................................................................................................... 1.5 N.m (13 lb in)
Auxiliary Heater Module Mounting Nuts................................................................................................................................................. 10 N.m (89 lb in)
Cowl Panel-to-Heater Case Mounting Screw.......................................................................................................................................... 1.9 N.m (17 lb in)
Defroster Nozzle-to-Heater Case Mounting Screw................................................................................................................................. 1.4 N.m (12 lb in)
Heater Case-to-Cowl Panel Mounting Nut.............................................................................................................................................. 2.8 N.m (25 lb in)
Heater Case-to-Cowl Panel Mounting Screw........................................................................................................................................... 11 N.m (97 lb in)
Right Vent Cable-to-Heater Case............................................................................................................................................................ 1.4 N.m (12 lb in)