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Traverse Sparkplug replacement


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Old 10-28-2010, 05:13 AM   #1
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Spark Plug Replacement

Removal Procedure
  1. Remove the ignition coil(s). Refer to Ignition Coil Replacement - Bank 1 and/or Ignition Coil Replacement - Bank 2.
    Warning: Refer to Safety Glasses and Compressed Air Warning in the Preface section.
    Caution: Clean the spark plug recess area before removing the spark plug. Failure to do so could result in engine damage because of dirt or foreign material entering the cylinder head, or by the contamination of the cylinder head threads. The contaminated threads may prevent the proper seating of the new plug. Use a thread chaser to clean the threads of any contamination.
  2. Use compressed air in order to remove debris from the spark plug cavity.
    Caution: Allow the engine to cool before removing the spark plugs. Attempting to remove the spark plugs from a hot engine may cause the plug threads to seize, causing damage to cylinder head threads.
  3. Remove the spark plug.

Installation Procedure

Caution: Use only the spark plugs specified for use in the vehicle. Do not install spark plugs that are either hotter or colder than those specified for the vehicle. Installing spark plugs of another type can severely damage the engine.
Caution: Check the gap of all new and reconditioned spark plugs before installation. The preset gaps may have changed during handling. Use a round feeler gage to ensure an accurate check. Installing the spark plugs with the wrong gap can cause poor engine performance and may even damage the engine.
  1. Ensure that the spark plug gap is equivalent to the spark plug gap specification. Refer to Ignition System Specifications.
    Caution:
    Refer to Fastener Caution in the Preface section.
    Caution:
    Be sure that the spark plug threads smoothly into the cylinder head and the spark plug is fully seated. Use a thread chaser, if necessary, to clean threads in the cylinder head. Cross-threading or failing to fully seat the spark plug can cause overheating of the plug, exhaust blow-by, or thread damage.
  2. Install the spark plug.
  3. Tighten the spark plug to 20 Nm (15 lb ft).
  4. Install the ignition coil(s). Refer to Ignition Coil Replacement - Bank 1 and/or Ignition Coil

Ignition Coil Replacement - Bank 1


Removal Procedure

  1. Disconnect the engine wiring harness electrical connector(s) (1) from the ignition coil(s) (4).
  2. Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement
  3. Remove the ignition coil bolt(s).
  4. Remove the ignition coil(s).

Installation Procedure

  1. Install the ignition coil(s). Caution: Refer to Fastener Caution in the Preface section.
  2. Install the ignition coil bolt(s).
  3. Tighten the bolt(s) to 10 Nm (89 lb in).
  4. Connect the engine wiring harness electrical connector(s) (1) to the ignition coil(s) (4).
  5. Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement

Ignition Coil Replacement - Bank 2
Removal Procedure

  1. Remove the intake manifold. Refer to Intake Manifold Replacement
  2. Disconnect the engine wiring harness electrical connector(s) (5) from the ignition coil(s) (4).
  3. Remove the ignition coil bolt(s).
  4. Remove the ignition coil(s).

Installation Procedure

  1. Install the ignition coil(s). Caution: Refer to Fastener Caution in the Preface section.
  2. Install the ignition coil bolt(s).
  3. Tighten the bolt(s) to 10 Nm (89 lb in).
  4. Connect the engine wiring harness electrical connector(s) (5) to the ignition coil(s) (4).
  5. Install the intake manifold. Refer to Intake Manifold Replacement

Intake Manifold Replacement
Removal Procedure
  1. Turn the ignition OFF.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  4. Disconnect the brake booster vacuum hose from the intake manifold.
  5. Remove the rear positive crankcase ventilation hose. Refer to Positive Crankcase Ventilation Tube Replacement - Rear.
  6. Disconnect the purge solenoid valve electrical connector (1).
  7. Disconnect the purge line (2) from the purge solenoid valve.
  8. Remove the electrical connector retainer (1).
  9. Disconnect the throttle body electrical connector (2).
  10. Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement.
  11. Remove the engine wiring harness retaining clip (1) from the side of the intake manifold.
  12. Remove the wiring harness retaining bolt.
  13. Remove the engine wiring harness retaining clips (1) from the intake manifold.
  14. Position the engine wiring harness aside.
  15. Remove the intake manifold insulator.
  16. Remove the intake manifold bolts (1).
  17. Remove the intake manifold (2) with the throttle body. If the intake manifold is being replaced, disassemble the intake manifold. Refer to Intake Manifold Disassemble.
  18. Clean and inspect the intake manifold. Refer to Intake Manifold Cleaning and Inspection.

Installation Procedure

  1. If the intake manifold is being replaced, assemble the intake manifold. Refer to Intake Manifold Assemble.
  2. Install a NEW intake manifold gasket.
  3. Install the intake manifold (2).
    Caution: Refer to Fastener Caution in the Preface section.
    Note:
    Tighten the intake manifold bolts in a circular pattern starting at the center (long bolts) and moving outward.
  4. Install the intake manifold bolts (1) and tighten to 23 Nm (17 lb ft).
  5. Position the engine wiring harness in place.
  6. Install the engine wiring harness retaining clips (1) to the intake manifold.
  7. Install the engine wiring harness retaining clip (1) to the side of the intake manifold.
  8. Install the fuel pipe shield. Refer to Fuel Pipe Shield Replacement.
    Caution: Ensure proper engagement of the wiring harness connector. The wiring harness connector must be installed straight onto the component connector and firmly seated. Visually inspect the connector to ensure that the connector latches are engaged and locked. Any damage to the connector or wiring must be repaired. Failure to follow this procedure can lead to an intermittent electrical connection, driveability concerns, and/or wiring harness or wiring harness connector damage or failure.
  9. Connect the electrical connector (2) to the throttle body.
  10. Install the electrical connector retainer (1).
  11. Connect the purge line (2) to the purge solenoid valve.
  12. Connect the purge solenoid valve electrical connector (1).
  13. Install the rear positive crankcase ventilation hose. Refer to Positive Crankcase Ventilation Tube Replacement - Rear.
  14. Connect the brake booster vacuum hose to the intake manifold.
  15. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  16. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.

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