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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.2L (LIH)) >> Repair Instructions >> Compressor Air Intake Turbocharger Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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  1. GM5376060Courtesy of GENERAL MOTORS COMPANY

    Inspect the turbocharger housing for leaks.

  2. Inspect the turbine blades for damage or foreign material.
  3. Inspect the turbocharger for cracks or other damage.
  4. Inspect the turbocharger to cylinder head surface (2) for flatness.
  5. Inspect the turbocharger actuator arm (3), ensure it moves freely and smoothly.
  6. Inspect the turbocharger wastegate actuator (1) mechanism for functionality.