Possible faults of the front suspension, their causes and methods of elimination (Focus 2)

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Cause of malfunctionMethod of elimination
Noise and knocking when the car is moving
Loosening of the fastening of the stabilizer bar brackets to the car body and its struts to the lower suspension armTighten loose threaded connections
Wear of rubber elements of the stabilizer and its strutsReplace worn parts
Wear of the rubber element of the upper support of the shock absorber strutReplace the upper shock absorber mount
Worn lower ball joint or tie rod jointsReplace worn out hinges
Worn front wheel hub bearings or loose hub nutReplace the bearing or tighten the nut
Front suspension spring failureReplace the spring
Destruction of the compression buffer of the shock absorber strutReplace the compression buffer
Unacceptable imbalance of the front wheelsBalance the wheels
Deviation of a vehicle from straight-line movement on a horizontal road
Uneven tire pressureSet the tire pressure to normal
Violation of the longitudinal tilt angles of the front wheel steering axisThe design of the vehicle does not provide for adjustment of the longitudinal tilt angles of the front wheel pivot axis. If the angle values are not within the permissible ranges, it is necessary to tighten all fasteners of the front suspension and replace damaged or worn parts, repair the damaged body
Front wheel camber angles misalignmentSame
Uneven spring settlementReplace the sagging spring
Significant difference in tire tread wearReplace a worn tire
Uneven tire bead stiffnessMove the tire to the other side
Excessive or uneven tire tread wear
The toe-in and installation angles of the front wheels are incorrectAdjust the toe-in and eliminate the causes of wheel alignment problems
Increased wear of lower ball joints, steering rod joints and suspension silent blocksReplace worn parts
Unacceptable wheel imbalanceBalance the wheels
The body is deformed or the suspension parts are damagedRepair the body and replace damaged suspension parts
The shock absorber strut is malfunctioningReplace the shock absorber strut






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