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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (3 Of 6)) >> Camshaft Carrier Overhaul >> Camshaft Carrier Inspection Procedure

Camshaft Carrier Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Inspect each camshaft housing for the dents or damage to the exterior. A dented or damaged camshaft cover may:
    • Leak engine oil
    • Affect crankcase ventilation
    • Interfere with the camshafts
    • Interfere with the ignition coil sealing
    • Allow water or condensation to enter the engine
  2. GM5087291Courtesy of GENERAL MOTORS COMPANY

    Inspect the exterior of the camshaft housing (1) for the following conditions:

    • Damage to the camshaft cover bolt holes
    • Damage to the camshaft cover injector bracket bolt holes
  3. GM5087292Courtesy of GENERAL MOTORS COMPANY

    Inspect the interior of the camshaft housing (1) for the following conditions:

    • Inspect the camshaft housing for cracks, casting imperfections or damage.
    • Inspect the camshaft housing sealing (3) for cracks or damage.
    • Inspect all bearing bores (2) for grooves, cracks, scratches and any other damage.