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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1696 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSSPARK PLUG REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z

Installation Procedure

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Spark Plugs
    GM1876950Courtesy of GENERAL MOTORS CORP.
  1. Inspect the spark plug gap. Adjust the gap as needed. Refer to Engine Mechanical Specifications .
  2. Install the spark plug into the cylinder head by hand.
    3. CAUTION: Refer to Fastener Caution .
  3. Tighten the spark plug to 15 N.m (11 lb ft).
    4. Fig 2: View Of Spark Plug Wire Separators & Boots
    GM1876924Courtesy of GENERAL MOTORS CORP.
  4. If reinstalling the old spark plug wires, apply dielectric grease GM P/N 12345579 (Canadian P/N 10953481), or equivalent to the inside the spark plug wire boots.
  5. Install the appropriate spark plug wire boot(s) (2) to the spark plug.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.