F 150 2WD Pickup V8-4.6L CNG SOHC VIN 9 (1997)
Blower Motor: Specifications
Blower Motor Screws.......................................................................................................................................................................2-3.5 N.m (18-31 Lb/In)
Blower Motor Cover Screws..................................................................................................................................................................1-2 N.m (9-17 Lb/In)