LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2018 >> CTS V >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.2L (LT4) - Repair Instructions >> Repair Instructions >> Ignition Coil Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Coil Replacement

GM3396969Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedure

  1. Remove the valve rocker arm cover insulator. Refer to Valve Rocker Arm Cover Insulator Replacement - Left Side , and/or Valve Rocker Arm Cover Insulator Replacement - Right Side .
  2. Remove the spark plug wires. Refer to Spark Plug Wire Replacement .
1 Ignition Coil Fasteners (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
10 N.m (89 lb in)
2 Ignition Coil

Procedure

  1. Relocate wiring harnesses and hoses as necessary.
  2. Disconnect the electrical wiring harness connector from the ignition coil.