D 350 Pickup L6-359 5.9L DSL (1989)
Clean the bore in the cylinder block. Check the 0-ring on the heater to make sure it is not damaged. Slide the heater into the seated position and tighten
the retaining screw.
Torque Value: 12 N-m [9 ft-lbs]
Connect the electrical cord to the heater.
Re-fill the cooling system.
