Symptom Chart

SYMPTOM	POSSIBLE CAUSES	ACTION
Noise from the front suspension	Lower Control Arms Upper Control Arms	GO to PINPOINT TEST B .
Crabbing	Incorrect rear thrust angle Damaged/worn front or rear suspension components	Check the rear alignment. Check the front and rear suspension for signs of damage or wear
Steering misalignment or vehicle Drift/pull/wander	Tire pressures incorrect Tire wear uneven Steering components worn/damaged Wheel alignment incorrect Brakes binding	. Perform - "Pinpoint Test A: Steering Wheel Misaligned/Vehicle Pull/Drift". REFER to: STEERING SYSTEM - RWD or Refer to: STEERING SYSTEM - RWD
Front bottoming or riding low	Damaged suspension components Air spring fault	Check the suspension components for damage. Check the dynamic suspension
Uneven tire wear	Incorrect tire pressure (rapid centre rib or inner and outer edge wear) Incorrect front or rear toe (rapid inner or outer edge wear) Incorrect camber (rapid inner or outer edge wear) Tires out of balance (tires cupped or dished)	Check and adjust the tire pressures (see visual inspection). Check and adjust the wheel alignment as necessary. Refer to: FOUR WHEEL ALIGNMENT Balance the wheels and tires as necessary
Harsh ride	Damaged suspension components Air spring fault	Check the suspension components for damage. Check the dynamic suspension
Shimmy or wheel tramp	Wheels/tires Loose wheel nut(s) Loose front suspension fasteners Front wheel bearing(s) fault Worn or damaged suspension component bushes Loose, worn or damaged ball joint(s) Loose, worn or damaged steering components Front wheel alignment	Check the wheels and tires for condition and balance. Check and tighten the wheel nuts and suspension fasteners to specification. Check the front wheel bearings, suspension bushes, ball joints and steering components for wear or damage. Check and adjust the wheel alignment as necessary. Refer to: FOUR WHEEL ALIGNMENT
Poor return ability of the steering (self-centering)	Steering column Ball joints Steering components	Check the steering column universal joints, etc. Check the ball joints and other steering components
Sway or roll	Loose front or rear stabilizer bar Worn lower suspension arm stabilizer bar insulators Air spring fault	Check the stabilizer bar security and condition. Rectify as necessary. Check the air springs
Vehicle leans to one side	Front or rear suspension components Air spring fault	Check the front and rear suspension. Check the air springs
Snapping, clicking or popping noise	Damaged or worn front/rear suspension components Suspension fasteners loose Front or rear wheel bearing(s) worn Constant velocity (CV) joint worn	GO to PINPOINT TEST A .
Grinding noise when the vehicle is in motion, intensifies when turning or when there is a shift in load	Foreign object(s) in brakes Front/rear, left/right brake pads/discs excessively worn Damaged or worn front/rear suspension components Suspension fasteners loose Front or rear wheel bearing(s) worn	GO to PINPOINT TEST A .
Humming, rumbling or growling noise when the vehicle is in motion, intensifies when turning the steering slightly to the left or right	Suspension fasteners loose Damaged or worn front/rear suspension components Uneven/irregular tire wear Front or rear wheel bearing(s) worn	GO to PINPOINT TEST A .
NOTE: All Wheel Drive (AWD) specific Humming, rumbling, or growling noise from the front of the vehicle at all speeds	Suspension fasteners loose Transmission internal failure Front half-shaft support bearing Damaged or worn front suspension components Worn or damaged driveshaft joint Front wheel bearing worn	GO to PINPOINT TEST A .
Humming, rumbling or growling noise from the rear of the vehicle varying at different vehicle speed and load	Suspension fasteners loose Damaged or worn rear suspension components Rear differential internal failure Worn or damaged driveshaft joint Rear wheel bearing worn	GO to PINPOINT TEST A .