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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (2 Of 11)) >> Repair Instructions >> Camshaft Housing 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. GM5147475Courtesy of GENERAL MOTORS COMPANY

    Clean the camshaft housing (1) in solvent.

  2. Inspect the camshaft housing (1) for damage or cracking. A cracked or damaged camshaft housing may:
    1. Leak engine oil
    2. Affect crankcase ventilation
    3. Interfere with the camshafts
    4. Allow water or condensation to enter the engine
  3. Inspect the exterior of the camshaft housing (1) for the following conditions:
    1. Damage to the camshaft housing bolt holes (2)
    2. Damage to the camshaft housing injector bracket bolt holes (3)
    3. Damage to the positive crankcase ventilation valve (4).
  4. GM5147477Courtesy of GENERAL MOTORS COMPANY

    Inspect the interior of the camshaft housing for the following conditions:

    1. Inspect the camshaft housing for cracks, casting imperfections, or damage.
    2. Inspect the camshaft housing seal locations (2) for cracks or damage.
    3. Inspect the crankcase ventilation oil separator cover (1) for cracks or damage.
  5. GM5929892Courtesy of GENERAL MOTORS COMPANY

    Clean the exhaust gas recirculation valve (1).

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