D 350 Pickup L6-359 5.9L DSL (1989)
Clean the mating surface of the thermostat housing and the cylinder head
Be sure the tang is in the slot in the housing (2). This ensures the correct positioning of the jiggle pins in the housing.
Position the rubber seal as shown for re-assembly.
Assemble the removed parts in the reverse order of removal.
Torque Values:
Thermostat Mounting 24 N-m [18 ft-lbs]
Alternator Link (Upper Bolts) 24 N-m [18 ft-lbs]
Alternator Mounting (Lower Bolts) 43 N-m [32 ft-lbs]
