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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Engine Compression Test >> Subsequent Procedures

Subsequent Procedures

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  1. Fuel Pump Relay - Install
  2. GM5149855Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-26999  Compression Gauge and EN-46722  Compression Gauge Adapter from the glow plug hole.

  3. GM5480507Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    The ceramic glow plug technology is sensitive to collision, drops, or general impact Avoid side force or the bending of the tip during the installation in the head. Replace the glow plug if one or more of these conditions is suspected.

    • Glow plugs must be discarded whenever removed, and replaced with NEW.
    • Handle with extreme care, do not allow glow plugs to touch each other.
    • Do not use power tools to install glow plugs.
    • Use a suitable, commercially available glow plug socket.
    • First install glow plugs by hand at least 3 turns into the cylinder head.
    • Avoid canting of the glow plugs during the insertion process into the cylinder head.

    Glow Plug (1) - Install and tighten [6x] - Fastener Specifications

  4. GM5480505Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Glow Plug - Connect [6x]

  5. GM5149848Courtesy of GENERAL MOTORS COMPANY

    Throttle Body Gasket (2) - Install NEW

  6. Throttle Body (1) - Install
  7. Throttle Body Bolt (6) - Install and tighten [3x] - Fastener Specifications
  8. GM5149847Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler Outlet Air Hose (2) - Install

  9. Clamp (1) - Install and tighten [2x] - Fastener Specifications
  10. GM5171779Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (2) - Install

  11. Intake Manifold Cover Bolt (1) - Install and tighten - Fastener Specifications