Explorer 2WD V6-245 4.0L SOHC VIN E EFI (1997)
Heater Core: Specifications
Heater Core Cover to Air Plenum Screws ........................................................................................................................................... 2-3 N.m (18-26 lb/in)
Heater Air Plenum Chamber Nuts ....................................................................................................................................................... 3-5 N.m (24-44 lb/in)