LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 1700 (Engine Control System & Fuel System - 4.3L - Repair Instructions) >> Repair Instructions >> Spark Plug Replacement >> Installation Procedure

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.
scientia non olet · About LEMON Manuals