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:

Vehicle Identification Number (VIN)
This legal identifier is in the front corner of the instrument panel, on the left side of the vehicle. It can be seen through the windshield from outside. The VIN also appears on the Vehicle Certification and Service Parts labels and certificates of title and registration. Engine Identifi ...

Battery Inspection/Test
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Clutch and Differential Housing Disassemble
Special Tools M-680770 Universal Sliding Mallet R-0007758 Holding Fixture R-0407008 Counter Shaft Bearing Remover R-0407010 Input Shaft Needle Bearing Puller and Driver R-0407013 Gearshift Device Bushing Puller R-0007761 Universal Handle for Pullers and Installers T-0207928 Retai ...

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