Spark Plug Replacement-#1, #3 or #5

REMOVAL
1. Disconnect negative cable from auxiliary jumper terminal.

Intake Manifold Sensors and Left Plenum Support Bolt:

2. Unplug connectors from MAP and intake air temperature sensors.
3. Remove plenum support bracket bolt located rearward of MAP sensor.

Air Inlet Resonator:

4. Remove bolt holding air inlet resonator to intake plenum.
5. Loosen throttle body air inlet hose clamp.
6. Release snaps holding air cleaner housing cover to housing.
7. Remove air cleaner cover and inlet hoses from engine.

Throttle Position Sensor:

Idle Air Control Motor:

8. Unplug TPS and idle air control motor connectors.

Throttle Cable Attachment:

9. Pry retainer tab back on throttle cable and slide cable out of bracket. Remove cable from throttle lever.
10. Slide Speed control cable out of bracket, if equipped. Remove cable from throttle lever.

EGR Tube and Right Manifold Support Bolt:

11. Remove EGR tube from intake plenum.
12. Remove plenum support bracket bolt located rearward of EGR tube.
13. Remove bolts holding upper intake plenum and remove plenum.
14. Always remove the ignition cable by grasping at the spark plug boot turning, the boot 1/2 turn and pulling straight back in a steady motion.
15. Prior to removing the spark plug spray compressed air around the spark plug hole and the area around the spark plug.
16. Remove the spark plug using a quality socket with a rubber or foam insert.
17. Inspect the spark plug condition. Refer to Spark Plug Condition.

INSTALLATION
1. To avoid cross threading, start the spark plug into the cylinder head by hand.
2. Tighten spark plugs to 28 N.m (20 ft. lbs.) torque.
3. Install ignition cables over spark plugs.
4. Install new gasket and position upper intake plenum. Tighten plenum bolts to 18 N.m (13 ft. lbs.) torque.
5. Install bolts at plenum support brackets. Tighten bolts to 18 N.m (13 ft. lbs.).
6. Install EGR tube to plenum. Tighten EGR tube to intake manifold plenum screws to 11 N.m (95 in. lbs.).
7. Install throttle and speed control (if equipped) cables.
8. Attach electrical connectors to sensors.
9. Tighten air inlet tube clamps to 3 N.m ± 1 (25 ± 5 in. lbs.) torque.
10. Connect negative terminal to auxiliary jumper terminal.