Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.
in General Information.Remove the glow plug lead wires using J 39083 glow plug connector remover and installer.
Notice: Retrieve the damaged glow plug from the cylinder or serious engine damage will occur.
• | Slide the shrouds back far enough to allow access for unplugging the wires at cylinder 4 and 6 glow plugs. |
• | Use J 39083 to disconnect the glow plug wires. |
Notice: Retrieve the damaged glow plug from the cylinder or serious engine damage will occur.
For easier access to glow plugs on cylinders 6 and 8, it may be necessary to remove the exhaust down pipe from turbocharger.
Tighten
Tighten the glow plugs to 17 N·m (13 lb ft).
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten
Tighten the glow plugs to 17 N·m (13 lb ft).
• | Slide the shroud over the wire lead and fasten to the studs. |
• | Repeat Step 4 for the cylinder 4 glow plug. |
Tighten
Tighten the heat shroud nuts to 23 N·m (17 lb ft).
Tighten
Tighten the glow plugs to 17 N·m (13 lb ft).