LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - VQ40DE) >> Repair Instructions >> Cylinder Head: Disassembly and Assembly >> Assembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Cylinder Head: Disassembly and Assembly: Assembly

WARNING: This page is about a different variant/trim than selected.
  1. When valve guide is removed, install it. Refer to [CYLINDER HEAD: INSPECTION AFTER DISASSEMBLY ].
  2. When valve seat is removed, install it. Refer to [CYLINDER HEAD: INSPECTION AFTER DISASSEMBLY ].
  3. Install valve oil seals using Tool.
    Fig 1: Installing Valve Oil Seals Using Tool
    G06441045Courtesy of SUZUKI OF AMERICA CORP.

    Tool number: - (J-39386) 

    Height (H) (Without valve spring seat installed) Intake and exhaust: 14.3 - 14.9 mm (0.563 - 0.587 in) 

  4. Install valve spring seat.
  5. Install valves.
    • Install it in the original position.
      NOTE: Larger diameter valves are for intake side.
  6. Install valve spring (uneven pitch type).
    Fig 2: Installing Valve Spring (Uneven Pitch Type)
    G06441046Courtesy of SUZUKI OF AMERICA CORP.
    • Install narrow pitch end (paint mark) to cylinder head side (valve spring seat side).
  7. Install valve spring retainer.
  8. Install valve collet.
    Fig 3: Installing Valve Collet
    G06441047Courtesy of SUZUKI OF AMERICA CORP.
    • Compress valve spring using Tool, attachment and adapter using Tool. Install valve collet with magnet hand.

      Tool numbers: KV10109220 (-) 

      : KV10116200 (J-26336-B) 

      : KV10115900 (J-26336-20) 

      CAUTION: When working, take care not to damage valve lifter holes or valve stems.
    • Tap valve stem edge lightly with plastic hammer after installation to check its installed condition.
  9. Install valve lifter.
    • Install it in the original position.
  10. Install spark plug tube.
    • Press-fit spark plug tube as follows:
    1. Remove old liquid gasket from cylinder head mounting hole.
    2. Apply sealant to area within approximately 12 mm (0.47 in) from edge of spark plug tube press-fit side.

      Use Genuine High Strength Locking Sealant or equivalent.  Refer to [RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ].

    3. Press-fit spark plug tube so that its height (H) is as specified using suitable drift.
      Fig 4: Pressing Spark Plug Tube Height
      G06441048Courtesy of SUZUKI OF AMERICA CORP.

      Standard press-fit height (H): 38.1 - 39.1 mm (1.500 - 1.539 in) 

      CAUTION:
      • When press-fitting, take care not to deform spark plug tube.
      • After press-fitting, wipe off liquid gasket protruding onto cylinder-head upper face.
  11. Install spark plug. Refer to [SPARK PLUG: REMOVAL AND INSTALLATION ].