Kelley's Works in Progress

New Process 231 Transfer Case Torque Specs

Here are all the torque specs I have avaialble for the NP231 transfer case...:
Bolt Item Bolt Size "Install to" torque "Service Recheck" Torque
Case Half Bolts --- 30 pound-feet 26-34 pound-feet
Detent Plug --- 15 pound-feet 12-18 pound-feet
Drain & Fill Plugs --- 30 pound-feet 30-40 pound-feet
Front Bearing Retainer --- 16 pound-feet 12-20 pound-feet
Front Output Yoke Nut --- 110 pound-feet Replace when Removed
Rear Output Shaft Housing --- 30 pound-feet 26-34 pound-feet
Oil Pump Mounting --- 14 pound-inches 12-15 pound-inches
Range Lever Nut --- 22 pound-inches 20-25 pound-inches
Rear Retainer Bolt --- 26-34 pound-feet ---
Vacuum Switch --- 15-25 pound-feet ---
Case Half Bolts --- 30 pound-feet ---
Electric Mode Indicator Switch --- 15-25 pound-feet ---
--- = No Data Available Yet

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