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Home >> Cadillac >> 2021 >> CT5 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 3.0L (LGY)) >> Repair Instructions >> Charge Air Cooler Cover Overhaul >> Charger Air Cooler Cover Inspection Procedure

Charger Air Cooler Cover Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
  1. GM4166132Courtesy of GENERAL MOTORS COMPANY

    Inspect the charge air cooler cover for the following conditions:

    • Damage to the inside of the connector (1)
    • Damage to the mounting holes to intake manifold (2)
    • Damage to the intake manifold seal surface (3)
    • Damage to the throttle body seal surface (4)
    • Damage to the right side charge air cooler seal surface (5)
    • Damage to the right side charge air cooler mounting holes (6)
  2. GM4166133Courtesy of GENERAL MOTORS COMPANY

    Inspect the charge air cooler cover for the following conditions:

    • Damage to the charge air cooler mounting holes (1)
    • Damage to the outside of the connector (2)
    • Damage to the left side charge air cooler seal surface (3)
    • Damage to the left side charge air cooler mounting holes (4)
    • Damage to the evaporative emission canister purge connector (5)
  3. Inspect the charge air cooler cover sealing surface for warpage.
    1. Locate a straight edge across the lower intake manifold sealing surface.
    2. Insert a feeler gauge between the lower intake manifold and the straight edge. A lower intake manifold with warpage in excess of 0.50 mm (0.020 in) must be replaced.
  4. Repair or replace the charge air cooler cover as necessary.