Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Wheel Alignment Measurement

Chevrolet Sonic Repair Manual / Chassis / Wheels/Tires / Wheels / Wheel Alignment Measurement

Steering and vibration complaints are not always the result of improper alignment. One possible cause is wheel and tire imbalance. Another possibility is tire lead due to worn or improperly manufactured tires. Lead/pull is defined as follows: At a constant highway speed on a typical straight road, lead/pull is the amount of effort required at the steering wheel to maintain the vehicle's straight path. Lead is the vehicle deviation from a straight path on a level road without pressure on the steering wheel.

Before performing any adjustment affecting wheel alignment, perform the following inspections and adjustments in order to ensure correct alignment readings:

Give consideration to excess loads, such as tool boxes, sample cases, etc. If normally carried in the vehicle, these items should remain in the vehicle during alignment adjustments. Give consideration also to the condition of the equipment being used for the alignment. Follow the equipment manufacturer's instructions.

Satisfactory vehicle operation may occur over a wide range of alignment settings. However, if the setting exceeds the service allowable specifications, correct the alignment to the service preferred specifications. Refer to Wheel Alignment Specifications.

Perform the following steps in order to measure the front and rear alignment angles:

  1. Install the alignment equipment according to the manufacturer's instructions.
  2. Jounce the front and the rear bumpers 3 times prior to checking the wheel alignment.
  3. Measure the alignment angles and record the readings.

    Note:

    • Record the "Before" and "After" alignment measurements.
    • When performing adjustments to vehicles requiring a 4-wheel alignment, set the rear wheel alignment angles first in order to obtain proper front alignment angles.
  4. Adjust alignment angles to vehicle specification, if necessary. Refer to Wheel Alignment Specifications.
Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment
Ensure that the steering wheel is set in a straight ahead position. Loosen the tie rod jam nut (1). Adjust the toe to specification by turning the inner tie rod (2). Refer ...

Wheel Drive Shaft Inner Joint Inspection
Inspection Procedure Remove the front wheel drive shaft inner joint and boot. Refer to Front Wheel Drive Shaft Replacement. Remove the wheel drive shaft tripod bushing ...

Other materials:

Cargo Center Courtesy Lamp Bulb Replacement (Sedan)
Cargo Center Courtesy Lamp Bulb Replacement Callout Component Name 1 Rear Compartment Courtesy Lamp Refer to Rear Compartment Courtesy Lamp Replacement 2 Cargo Lamp Bulb ...

Front Side Door Window Weatherstrip Replacement
Front Side Door Window Weatherstrip Replacement Callout Component Name Preliminary Procedures Remove front side door trim panel. Refer to Front Side Door Trim Replacement. Remove the outside rearview mirror. Refer to Outs ...

SIR Warning
Warning: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions: Air bag deployment Personal injury Unnecessary SIR system repairs In order to avoid the above conditions, ...

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