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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (1 Of 11)) >> Repair Instructions >> Compressor Air Intake Turbocharger Replacement >> Cleaning and Inspection Procedure - Conditional

Cleaning and Inspection Procedure - Conditional

WARNING: This page is about a different variant/trim than selected.
NOTE:

The following cleaning and inspection and/or overhaul steps are ONLY to be performed as determined necessary based on the condition of the part being removed with the intention of reinstallation. The labor time to perform any of these steps is not included in the base labor time and if required would need to be documented and submitted as Other Labor Hours for warranty claim reimbursement. A description of the repairs performed must be documented in the technician correction comments.

  1. GM5145618Courtesy of GENERAL MOTORS COMPANY

    Clean all sealing surfaces.

  2. Clean all threads if necessary.
  3. Inspect the wastegate regulator mechanism (1) for functionality.
  4. Inspect the turbine blades for damage or foreign material.
  5. Inspect the turbine blade shaft for excessive radial and axial end play.
  6. Inspect the compressor air intake turbocharger for cracks or other damage.
  7. Inspect the compressor air intake turbocharger mating surface for flatness.
  8. GM5845629Courtesy of GENERAL MOTORS COMPANY

    Clean the exhaust gas recirculation valve (1).

  9. Inspect the exhaust gas recirculation valve (1).
  10. Replace the exhaust gas recirculation valve (1) if any damage is found.
  11. GM5929892Courtesy of GENERAL MOTORS COMPANY

    Clean the exhaust gas recirculation valve (1).

  12. Inspect the exhaust gas recirculation valve (1).
  13. Replace the exhaust gas recirculation valve (1) if any damage is found.