Usage:
D399 EARLY
(1) Torque for bolts that hold damper to adapter ... 32 ± 5 lb. ft.(43 ± 7 N·m)
(2) Torque for bolts that hold adapter and damper to crankshaft ... 670 ± 50 lb. ft.(905 ± 70 N·m)
NOTE: Put 8H5137 Sealant on threads of bolts that hold adapter and damper to crankshaft.
D399 LATER
D399 Engine with two dampers:
(3) Torque for nuts that hold dampers to adapter ... 32 ± 5 lb. ft.(43 ± 7 N·m)
NOTE: Spacers (A) must be installed between the dampers as shown.
(4) Torque for bolts that hold adapter to crankshaft ... 670 ± 50 lb. ft.(905 ± 70 N·m)
NOTE: Put 8H5137 Sealant on threads of bolts that hold adapter to crankshaft.
D398 EARLY
D398 Engines; effective in production with Serial Numbers 66B1 thru 66B4405 and 67B1 thru 67B1709:
(5) Torque for bolts that hold adapter to crankshaft ... 420 ± 60 lb. ft.(565 ± 80 N·m)
NOTE: Put 8H5137 Sealant on threads of bolts that hold adapter to crankshaft.
(6) Torque for bolts (3/4-10 NC) that hold damper to adapter ... 280 ± 20 lb. ft.(377 ± 25 N·m)
D398 LATER
D398 Engines; effective in production with Serial Numbers 66B4406 up and 67B1710 Up:
(7) Torque for bolts that hold adapter to crankshaft ... 460 ± 20 lb. ft.(624 ± 25 N·m)
NOTE: Put 8H5137 Sealant on threads of bolts that hold adapter to crankshaft.
(8) Torque for bolts (1/2-13 NC) that hold damper to adapter ... 75 ± 10 lb. ft.(100 ± 14 N·m)