B4000 SE Regular Cab 4WD V6-4.0L OHV (1999)
3. Pry the block heater from the cylinder block.
4. Clean inside diameter of core plug hole machined surface and hole entrance. Remove any burrs at hole entrance to avoid damage to O-ring.
5. Cover rubber O-ring with a liberal coating of premium long-life grease or equivalent.
Block Heater Installation Note
Insert heater in core plug hole in same position as it was removed and tighten.
Tightening torque: 1.6 - 1.8 Nm (16 - 18 kgf.cm, 14 - 16 inch lbs.)
