Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Brake Rotor Assembled Lateral Runout Correction

Chevrolet Sonic Repair Manual / Chassis / Brakes / Disc Brakes / Brake Rotors / Brake Rotor Assembled Lateral Runout Correction

Note:

  • Brake rotor thickness variation MUST be checked BEFORE checking for assembled lateral runout (LRO). Thickness variation exceeding the maximum acceptable level can cause brake pulsation. Refer to Brake Rotor Thickness Variation Measurement.
  • Brake rotor assembled lateral runout (LRO) exceeding the maximum allowable specification can cause thickness variation to develop in the brake rotor over time, usually between 4,800–11,300 km (3,000–7,000 mi). Refer to Brake Rotor Assembled Lateral Runout Measurement.

Review the following acceptable methods for bringing the brake disc assembled LRO to within specifications. Determine which method to use for the vehicle being repaired.

If the assembled LRO cannot be corrected using these methods, then other components must be suspected as causing and/or contributing to the LRO concern.

Brake Rotors
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Brake Rotor Assembled Lateral Runout Correction - Indexing
Special Tools CH-45101-100 Conical Brake Rotor Washers For equivalent regional tools, refer to Special Tools. Warning: Refer to Brake Dust Warning. Note: Brake ro ...

Other materials:

Airbag Sensing and Diagnostic Module Replacement
Airbag Sensing and Diagnostic Module Replacement Callout Component Name Warning: Refer to SIR Warning. Warning: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before apply ...

Secondary Air Injection Pump Replacement
Secondary Air Injection Pump Replacement Callout Component Name 1 Secondary Air Injection Pump Inlet Pipe Note: Squeeze the retainer on opposite sides to release. 2 Secondary ...

Power sources
When the ignition is switched on, you may be able to use multiple power sources for external devices, depending on the vehicle equipment. 12 volt sockets You can connect electrical accessories to the 12 volt sockets. The power usage from the sockets must not exceed a total of 120 watts. Do not conne ...

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