Navigator 4WD V8-5.4L SOHC VIN L (1998)
Heater Core: Specifications
Heater Core Bracket Screws .......................................................................................................................................................... 1.5-2.5 Nm (13-22 Lb-In)
Heater Core Outlet Bracket Screws ................................................................................................................................................ 1.5-2.5 Nm (13-22 Lb-In)
Evaporator/Heater Core Access Cover Bolts ....................................................................................................................................... 2-3 Nm (18-26 Lb-In)