Friday 27 July 2012

AUTOMOTIVE DIGNOSISS


SUSPENSION SYSTEM TROBLE SHOTING
SL NO FAULT CAUSE
1 FRONT WHEEL LOW SPED SWIMMY UN EVEN TYRE PRESSURE
THE LOOSE KING PIN
IRREGULAR TYRE THREAD
SPRING IS VERY SOFT
LOOSE LINKAGE
LOOSE NESS IN STEERING GEAR
2 FRONT WHEEL TRAMP WHEEL UN BALANCE
EXESIVE WHEEL RUN-OUT
SHOCK ABSORBER DEFECT
3 ROUGH RIDE TYRE PRESSURE IS MORE
SHOCH DEFECTIVE
FRICTION IN SUSPENSION
4 SWAY ON TURNS INCORECT CASTER
THE STABILIZER BAR LOOSE
5 BRAKAGE OF SPRING OVER LOADING
LOOSE CENTRE BOLT
TIGHT SPRING SHAKLE
DEFECTIVE SHOCK ABSORBER
6 SAGGING SPRING LEAF BROKEN
WEAK SPRING
DEFECTIVE SHOCK ABSORBER
SHORT COIL SPRING
7 NOICE ANY LOOSE U-BOLT,SHACKLE,SHOCK ABSORBER,LUBRICATIVE PART
STEERING TROBLE SHOOTING
1 TOO HARD STEERING LOW TYRE PRESSURE
STEERING SHAFT BEND
UNEVEN LUBRICATION
STEERING WHEEL TOO TIGHT
INCORECT CASTER,CAMBER,KIN PIN INCLINATION
TOO TIGHT BAAL JOINTS
BENT OR BROKEN FRAMES
2 EXESIVE PLAY IN STEERRING LOOSE STERING WHEEL
LOOSE STEERIG GEAR
LOOSE STEERNIG LINKAGE
LOOSE BEARING
3 ERATIC STEERING WHEN BRAKES ARE APPLIED POOR BRAKES ADJUSTMENT
WORM BRAKE LINING
UNEVEN CASTER
BENT STEERING KNOCKLE
4 CAR WONDER SHIFTER REAR AXILE HOUSEING
BEND STEERING KNOCKLE
TOO TIGHT KIN PIN
5 SHIMMY FRONT WHEEL  DEFECT IN SUSPENSION IN ONE SIDE
POOR ALIGNMENT
THE REAR WHEEL AND FRONT WHEEL ARE NOT TRUE ROLING
UNBALANCE WHEELS
INCORRECT TOO-IN
6 WHEELS MOVE UP AND DOWN SEPERATLY EXENTRIC WHEEL
7 STEERING WHEEL JERK DEFECT IN PUMP BELT
POWER STEERIG
STEERING HARD IN PARKING VEHICLE PUMP BELT LOOSE
OIL LEVEL LOW
STEERING NT RETURN WHEN TURNING VALVE DAMAGE
ACTUATOR LEVER BINDING
NOISE PUMP AIR IN SYSTEM
LOOSE PUMP BELT
PUMP WORN
OIL LEVEL LOW
HOSE PIPE TOUCHING OTHER PARTS
EXTERNAL OIL LEAKAGE LEAKAGE IN SEAL
HOSE CONECTION LEAKAGE
PUMP BELT LOOSE
OIL PRESSURE LOW
TEMPARARY INCRESE IN TURNING EFFORT AIR IN SYSTEM
PUMP BELT LOOSE
OIL LEVEL LOW
OIL PRSURE LOW




by,  C B S Kanth

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