I need to know how to replace the 3 spark plugs behind the engine?

Remove the spark plug wires (2, 4, and 6) from the front bank spark plugs. Remove the spark plug wires from the retaining clips. Remove the throttle body air inlet duct.

Set the park brake. Shift the transaxle into Neutral. Remove the left and right engine mount strut bolts. Swing the engine mount struts aside.

Install the J 41131 rotation tool.

Pull on the engine in order to rotate the engine forward.

Tighten the J 41131 tool.

Remove the spark plug wires (1, 3, and 5) from the rear bank spark plugs. Remove the spark plug wires from the retaining clips. Remove the spark plug wires from the ignition coils. Remove the spark plug wires from the engine.

If you are replacing the spark plug wires, transfer any of the following components:

Boot heat shields
Spark plug wire conduit
Spark plug wire retaining clips

To install:

Install the spark plug wires to the engine. Install the spark plug wires to the ignition coils. Install the spark plug wires (1, 3, and 5) to the rear bank spark plugs. Install the spark plug wires to the retaining clips.

Carefully release the tension on the J 41131 tool.

Remove the J 41131 tool.

Install the left and right engine mount struts. Install the spark plug wires (2, 4, and 6) to the front bank spark plugs. Install the spark plug wires to the retaining clips.

Gap 1.52 mm (0.060 in)

Check out the images (Below). Please let us know if you need anything else to get the problem fixed.