Table 13.1. Front Suspension Troubleshooting
Malfunction | Cause of malfunction | Solutions |
Noise in suspension (aggravated when cornering) | wheel bearing failed | replace wheel bearing |
vibrations | wheel imbalance | balance the wheels |
radial, lateral rim runout | check and, if necessary, replace the wheels | |
tire runout | adjust tires, replace if necessary | |
«wobble» steered wheels | wheel imbalance | balance the wheels |
radial, lateral rim runout | check and, if necessary, replace the wheels | |
defective rubber-metal joint of the transverse suspension arm | replace the rubber-metal joints of both transverse suspension arms | |
broken control arm ball joint | replace control arm | |
damaged rubber-metal joint of the thrust | replace the rubber-metal joints of both rods | |
loosened traction control joint | replace guide pin | |
see Possible steering problems | ||
Increased backlash / skew of the steering wheel | defective rubber-metal joint of the transverse suspension arm | replace the rubber-metal joints of both transverse suspension arms |
broken control arm ball joint | replace control arm | |
damaged rubber-metal joint of the thrust | replace the rubber-metal joints of both rods | |
loosened traction control joint | replace guide pin | |
see Possible steering problems | ||
Knocks | weakened fastening of the stiffening plate | tighten the screws (see Removing and installing/replacing stiffening plate) |
loosened fastening of the front axle beam to the front side member | replace bolts (see Front Axle Beam Lowering) | |
weakened fastening of the shock absorber to the swivel support | replace bolt and nut (see Removing and installing front suspension strut) | |
broken control arm ball joint | replace control arm | |
loosened traction control joint | replace guide pin | |
Faulty stabilizer mount | replace both stabilizer mounts | |
broken ball joints of the stabilizer bar mount | replace both stabilizer bar mounts | |
Increased tread wear | incorrect front and/or rear wheel alignment | check the integrity of the chassis parts, if necessary, measure and adjust the wheel alignment |