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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 1.6L (LH7) Diesel) >> Repair Instructions - Off Vehicle >> Intake Manifold Cleaning And Inspection

Intake Manifold Cleaning And Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Intake Manifold Inspection Points
    GM3283921Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the intake manifold (1) for damage.
  2. Inspect the intake manifold for cracks near metallic inserts.
  3. Inspect the crankcase ventilation passages in the intake manifold face for blockage.
  4. Inspect the intake manifold runner (4) for proper operation.
  5. WARNING:

    Wear safety glasses in order to avoid eye damage.

  6. Clean the crankcase ventilation passages with compressed air if necessary. Use a maximum of 172 kPa (25 psi) of air pressure.
  7. Clean the intake manifold runner with compressed air if necessary. Use a maximum of 172 kPa (25 psi) of air pressure.
  8. Clean the throttle body sealing surface (2).
  9. Clean the intake manifold to cylinder head sealing surface (3).
  10. Replace the intake manifold as necessary.