TM 9-2320-289-34Table 2-1. Mechanical Troubleshooting (Con’t)MALFUNCTIONTEST OR inspectionCorrective ACTION48. NOISYStep 1.Check for loose transfer case mounting bolts.Tighten transfer case-to-adapter bolts if loose. Tighten 2 adapter-to-transmission support bolts to 40 lb. -ft. (54 N.m) if loose. Tighten 4transfer case-to-front propeller shaft bolts to 15 Ib.-ft. (20 N.m) if loose.Step 2.Disassemble transfer case (see paragraph 5-21 or 5-22) and check for worn ordamaged bearings.Replace any worn or damaged bearings.49. EXCESSIVE FLUID LOSSStep 1.Check for loose transfer case housing bolts.Tighten front output shaft bolts to 35 Ib.-ft. (47 N.m) if loose. Tighten rearextension bolts to 30 Ib.-ft. (41 N.m) if loose.Step 2.Check to see if transfer case vent is plugged or restricted.Clear if plugged or replace if restricted.Step 3.Disassemble transfer case (see paragraph 5-21seals and gaskets.Replace any damaged seals and gaskets.SO. CONTROL LEVER DISENGAGES FROM POSITIONor 5-22) and check for damagedStep 1.Inspect selector rod at transfer case to see if it is bent or worn.Replace selector rod if bent or worn. (See TM 9-2320-289-20)Step 2.Disassemble transfer case (see paragraph 5-21 or 5-22) and check for worn ordamaged gears. Check for missing cap plug, shift ball, and poppet spring.Replace worn or damaged gears. Install cap plug. shift ball, and poppetspring if missing.2-30
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