IH International Navistar DT466 engine Bolt Tightening Torques. IH 466 Main Bearing Bolts. step 1 = 136 Nm, 100 lb.ft. step 2 = 177 Nm, 130 lb.ft. step 3 = + 90 degrees. International IH 466 head torque sequence, Click to enlarge. IH 466 Cylinder Head Bolts. (long and short) step 1 = 136 Nm, 100 lb.ft. 2004 international 4300 diesel engine DT466 need diagram of engine you must reset the ac system by a certain procedure, with engine off and key on turn on left turn signal and hiold top cruise control buttons for five seconds. system should the work after starting truck.