TM10-3930-660-34 2-6. SYMPTOM INDEX. Refer to Table 2-1 for troubleshooting procedures, and use the symptom index below to quickly locate a particular fault or malfunction. TROUBLESHOOTING SYMPTOM INDEX MALFUNCTION NO. MALFUNCTION PAGE ENGINE 1 Engine will not crank........................................................................................................ 2-6 2 Engine cranks but will not start ........................................................................................ 2-6 3 Rough idle (irregular firing or engine shaking)................................................................. 2-6 4 Lubricating oil pressure too low  ...................................................................................... 2-6 5 Lubricating oil pressure too high...................................................................................... 2-7 6 Excessive vibration  ......................................................................................................... 2-7 POWERTRAIN 7 Low oil pressure from torque converter ........................................................................... 2-7 STEERING SYSTEM 8 Steering difficulty; vehicle pulls on straight froward driving or tends to go straight when making turns ...................................................................................... 2-7 9 Front differential is binding in turns.................................................................................. 2-7 10 Excessive driveline noise................................................................................................. 2-8 11 Front differential has grinding noises............................................................................... 2-8 12 Sluggish re-engagement of front differential clutch assemblies ............................................................................................................ 2-9 13 Erratic operation of front differential; premature wear or failure of parts  ................................................................................... 2-9 14 Emergency steering pump will not hold pressure in dis. line......................................................................................................................... 2-10 15 Emergency steering pump will not develop full pressure or flow ............................................................................................................... 2-10 BRAKING SYSTEM 16 Brakes won’t release  ...................................................................................................... 2-11 17 Insufficient brakes............................................................................................................ 2-11 18 Brakes will not release completely................................................................................... 2-11 19 Excessive braking............................................................................................................ 2-11 20 Braking accumulator charging cycle repeats frequently when brakes are not being used............................................................. 2-11 21 Brake accumulator charges frequently while brakes are being held .......................................................................................................... 2-12 22 Brake accumulator starts to charge but doesn’t reach high limit......................................................................................................... 2-12 23 Brake accumulator charging time too long ...................................................................... 2-12 24 Brake accumulator fails to start charging  ........................................................................ 2-12 25 Very rapid cycling of brake valve ..................................................................................... 2-13 2-4