GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Firebird 🢒 Engine 🢒 Engine Controls - 5.7L 🢒 Spark Plug Replacement

Removal Procedure

    Object Number: 14824 Size: SH
  1. Remove the spark plug wires. Refer to Spark Plug Wire Replacement .
  2. Loosen each spark plug 1 or 2 turns.
  3. Use a brush, or use compressed air in order to remove any dirt from the spark plugs.
  4. Remove the spark plugs one at a time and place each plug in a tray marked with the corresponding cylinder numbers.

Installation Procedure

    Object Number: 14824 Size: SH
  1. Inspect each spark plug gap. Adjust each plug as needed.

    2. Specification
    Spark plug gap: 1.524 mm (0.060 in).

  2. Hand start the spark plugs in the corresponding cylinders.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Tighten the spark plugs.

    4. Tighten

        • Tighten the 5.7 L engine spark plug on a NEW cylinder head to 20 N·m (15 lb ft).
        • Tighten the 5.7 L engine spark plug on subsequent installations to 15 N·m (11 lb ft).
  4. Install the spark plug wires. Refer to Spark Plug Wire Replacement .