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Home >> Buick >> 2015 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls And Fuel - 2.4L (Lea) - Repair Instructions) >> Repair Instructions >> Spark Plug Replacement

Spark Plug Replacement

WARNING: This page is about a different variant/trim than selected.
Fig 1: Spark Plugs
GM2557077Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  3. Remove 4 ignition coils. Refer to Ignition Coil Replacement .
1 Spark Plug
CAUTION:

Refer to Fastener Caution .


Procedure 
For specifications about spark plug gap and inspection, refer to Spark Plug Inspection .
Tighten 
25 N.m (18 lb ft)