Spark Plug Wire Replacement - Left Side

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

NOTE: Callouts in the following chart represent components shown in graphic above.

Callout	Component Name
Preliminary Procedure Valve Rocker Arm Cover Insulator Replacement - Left Side
1	Spark Plug Wire Procedure NOTE: Pull only on the spark plug wire boot to remove the wire. To ensure the spark plug wire rubber boots are correctly seated during installation, push the boot onto the ignition coil until two audible clicks are heard, and push the rubber boot onto the spark plug until one audible click is heard. Twist the spark plug wire boot 1/2 turn and remove the spark plug wire. Inspect the spark plug wire for damage and replace if necessary. Inspect the inside of the spark plug rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, apply a thin coating of dielectric grease evenly to the inside of the spark plug rubber boot up to a depth of 15 mm from the end of the boot. Adhesives, Fluids, Lubricants, and Sealers .

Callout

Component Name

Preliminary Procedure
Valve Rocker Arm Cover Insulator Replacement - Left Side

Spark Plug Wire

Procedure

NOTE:

Pull only on the spark plug wire boot to remove the wire.
To ensure the spark plug wire rubber boots are correctly seated during installation, push the boot onto the ignition coil until two audible clicks are heard, and push the rubber boot onto the spark plug until one audible click is heard.

Twist the spark plug wire boot 1/2 turn and remove the spark plug wire.
Inspect the spark plug wire for damage and replace if necessary.
Inspect the inside of the spark plug rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, apply a thin coating of dielectric grease evenly to the inside of the spark plug rubber boot up to a depth of 15 mm from the end of the boot. Adhesives, Fluids, Lubricants, and Sealers .