Ignition Coil Replacement

Fig 1: Ignition Coil

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement . If replacing the number 4 ignition coil, remove the plenum front panel. Refer to Plenum Front Panel Replacement . If replacing the number 4 ignition coil, remove the upper intake manifold bracket. Refer to Upper Intake Manifold Bracket Replacement .
1	Ignition Coil Fasteners (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2	Ignition Coils NOTE: Inspect the inside of the ignition coil rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, complete the following procedure. Procedure Disconnect the electrical wiring harness connectors from the ignition coils and remove coils as necessary. Apply a thin coating of dielectric grease to the inside of the ignition coil rubber boot, up to a depth of 15 mm from the end of the boot. Refer to Adhesives, Fluids, Lubricants, and Sealers . Remove any excess grease from around the end of the boot, and ensure there is not an excessive amount within the boot.

Callout

Component Name

Preliminary Procedure

Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
If replacing the number 4 ignition coil, remove the plenum front panel. Refer to Plenum Front Panel Replacement .
If replacing the number 4 ignition coil, remove the upper intake manifold bracket. Refer to Upper Intake Manifold Bracket Replacement .

Ignition Coil Fasteners (Qty: 4)

CAUTION:

Refer to Fastener Caution .

Tighten
10 N.m (89 lb in)

Ignition Coils

NOTE:

Inspect the inside of the ignition coil rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, complete the following procedure.

Procedure

Disconnect the electrical wiring harness connectors from the ignition coils and remove coils as necessary.
Apply a thin coating of dielectric grease to the inside of the ignition coil rubber boot, up to a depth of 15 mm from the end of the boot. Refer to Adhesives, Fluids, Lubricants, and Sealers .
Remove any excess grease from around the end of the boot, and ensure there is not an excessive amount within the boot.