Glow Plug Replacement - Cylinder 4
Single Use Fasteners and Components

Glow Plug

Special Tools

EN-52074 Glow Plug Bore Reamer

Equivalent regional tools:Special Tools

Removal Procedure

    Object ID: 5150211
  1. Air Cleaner Outlet Duct Clamp(1)»Loosen[2x]
  2. Air Cleaner Outlet Front Duct(2)»Remove

    3. Object ID: 5571687
  3. Plenum Front Panel Outer Reinforcement(1)»Remove—Plenum Front Panel Outer Reinforcement Removal and Installation

    4. Object ID: 5150241
  4. Air Cleaner Outlet Duct Clamp(1)»Loosen
  5. Air Cleaner Outlet Duct(2)»Remove

    6. Object ID: 5480514
  6. Disconnect the wiring harness connector (1).
  7. Clean around the glow plug.

    8. Object ID: 5613810

    Caution: Ensure each glow plug is fully intact when removed from the cylinder head. A broken tip could remain within the combustion chamber, which may not be obvious during removal. Damage to the engine may result if a broken glow plug tip remains within the engine.

    Note:

    • Glow plugs must be DISCARDED whenever removed, and replaced with NEW.
    • If the cylinder head is removed, the accompanying glow plug must be DISCARDED and replaced with NEW.
    • Do not use power tools to install the glow plug.
    • Cylinder head removal may be required to retrieve a broken tip.

  8. Remove and DISCARD the glow plug (1) from the cylinder head.
  9. Inspect each glow plug tip and ensure the glow plug is not broken. If a broken tip is suspected, inspect the combustion chamber for the glow plug tip.
Cleaning and Inspection Procedure - Required
Object ID: 6139308

Caution: The glow plug bore MUST be cleaned prior to glow plug installation. If the glow plug bore is not cleaned of carbon buildup prior to glow plug installation, it may cause severe damage to the glow plug. If the glow plug is damaged, the glow plug bore and combustion chamber must be cleaned of all debris, and the glow plug must be replaced.

Using the EN-52074 Glow Plug Bore Reamer (1), clean the glow plug bore. Hole must be free of lubricant and grease.

Installation Procedure

    Object ID: 5613810

    Note:

    • Avoid canting of the glow plug during the insertion process into cylinder head bore.
    • Handle with extreme care, do not allow glow plugs to touch each other. Any impact to glow plug requires replacement with NEW.
    • Do not use power tools to install the glow plug.

  1. Install the NEW glow plug (1) by hand a minimum of 3 turns into the cylinder head thread.

    2. Caution: Refer to Component Fastener Tightening Caution.

  2. Glow Plug(1)»Tighten—Fastener Specifications

    3. Object ID: 5480514
  3. Connect the wiring harness connector (1).

    4. Object ID: 5150241
  4. Air Cleaner Outlet Duct(2)»Install

    5. Caution: Refer to Fastener Caution.

  5. Air Cleaner Outlet Duct Clamp(1)»Tighten—Fastener Specifications

    6. Object ID: 5571687
  6. Plenum Front Panel Outer Reinforcement(1)»Install—Plenum Front Panel Outer Reinforcement Removal and Installation

    7. Object ID: 5150211
  7. Air Cleaner Outlet Front Duct(2)»Install
  8. Air Cleaner Outlet Duct Clamp(1)»Tighten[2x]—Fastener Specifications