SPECIFICATIONS

Material

General Specifications

Torque Specifications

^a Refer to the procedure in this section.

DESCRIPTION AND OPERATION

Engine Ignition

3.5L GTDI

System Operation

Refer to the PC/ED manual section 1 Description and Operation.

Component Description

Refer to the PC/ED manual section 1 Description and Operation.

DIAGNOSIS AND TESTING

Engine Ignition

For PCM DTCs, REFER to Section 303-14 PCM DTC Chart. For driveability symptoms without DTCs, refer to the PC/ED manual, section 3 Symptom Charts.

REMOVAL AND INSTALLATION

Engine Ignition Components - Exploded View

3.5L Gasoline Turbocharged Direct Injection (GTDI) LH Side

3.5L GTDI RH Side

1. Refer to the procedures and/or exploded views in this section for any Warnings, Notices, Notes, Materials, Specifications, and Special Tools. Items in the exploded views may not be listed in order of removal.

Ignition Coil-On-Plug - 3.5L GTDI

Material

Removal and Installation

 WARNING: Before beginning any service procedure in this section, refer to Safety Warnings in Section 100-00. Failure to follow this instruction may result in serious personal injury.

NOTE: Removal steps in this procedure may contain installation details.

LH side

2. NOTE: When removing or installing the fuel injection pump noise insulator, spreading the openings will reduce the risk of damage.

RH side

3. NOTE: When installing, align the index marks.
   1. Tighten to 5 Nm (44 lb-in).

4. 1. Tighten to 6 Nm (53 lb-in).

5. NOTE: When installing, align the index marks.
   1. Tighten to 5 Nm (44 lb-in).

Both sides

6. NOTE: Use compressed air to remove any foreign material from the ignition coil-on-plugs and surrounding area before removing the ignition coil-on-plugs.

   NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.

   NOTE: When installing the ignition coil-on-plugs, apply a small amount of silicone brake caliper grease and dielectric compound to the inside of the ignition coil-on-plug boots before installation. Material: Silicone Brake Caliper Grease and Dielectric Compound XG-3-A.

   Tighten in the following 2 stages.
   • Stage 1: Tighten to 7 Nm (62 lb-in).
   • Stage 2: Tighten an additional 50 degrees.

Installation

1. Replace any ignition coil-on-plug seals with cracks, rips, or tears.

2. To install, reverse the removal procedure.

Spark Plugs - 3.5L GTDI

Removal and Installation

 WARNING: Before beginning any service procedure in this section, refer to Safety Warnings in Section 100-00. Failure to follow this instruction may result in serious personal injury.

NOTE: Removal steps in this procedure may contain installation details.

1. Remove the 6 ignition coil-on-plugs, refer to Ignition Coil-On-Plug - 3.5L GTDI.

2. NOTICE: Only use hand tools when removing or installing the spark plugs, or damage may occur to the cylinder head or spark plug.

   NOTICE: The spark plug procedure must be followed exactly or damage to the cylinder head and spark plug will result.

   NOTICE: Do not remove the spark plugs when the engine is hot or cold soaked. Spark plug thread or cylinder head damage can occur. Make sure the engine is warm (hand touch after cooling down) prior to spark plug removal.

   NOTICE: The spark plug must be securely held in an assembly aid or tool to prevent the spark plug from falling into the spark plug well which may damage the spark plug or the cylinder head.

   NOTICE: If a spark plug is dropped, internal damage may result and the spark plug must be discarded. The use of a damaged spark plug may cause engine damage to occur.

   NOTE: Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs.

   • Tighten to 15 Nm (133 lb-in).

Installation

1. To install, reverse the removal procedure.