Sabtu, 14 Mei 2011

How to Replace 1999 Toyota Camry Spark Plug Wires

How to Replace 1999 Toyota Camry Spark Plug Wires

Replacing the spark plug wires with a new set of high-quality wires on your Toyota Camry can improve the performance and allow the engine to run smoother. New plug wires can increase the fuel economy of the car as well. Regular inspection of the wires for cracks, nicks, tears or burns is the best way to know when the wires need to replaced. Spark plug wire sets are available from Toyota dealers and most auto parts stores.

Moderately Easy


things you'll need:

  • Wrench set
  • Dielectric grease
    • 1

      Open the hood of your Camry and locate the negative cable on the battery terminal. Remove the retaining bolt from the battery cable end with a wrench. Lift the cable off the battery. Set it aside, making sure it cannot fall back against the terminals while you are working.

    • 2

      Locate the spark plug wires on the top of the engine. The wires run from the ignition coil or coil packs to the spark plugs. There are four on the 2.2-liter engine and six on the 3.0-liter engine.

    • 3

      Pick one wire. Remove the wire from the coil by pulling the wire off the terminal. Follow the wire to the spark plug. Grasp the wire by the boot on the spark plug end and pull it off the spark plug.

    • 4

      Lay the spark plug wire out straight and find the matching wire from the new spark plug wire kit. Place a small amount of dielectric grease in each end of the wire. Install the new wire on the coil and the spark plug. Push the wire onto the terminal and the plug until it snaps in place.

    • 5

      Move to the next wire and repeat the process. Continue replacing plug wires until all of them are new. Do not remove more than one wire at a time. Doing so could affect the firing order, in which case the engine will not run correctly.

    • 6

      Reattach the negative cable on the negative battery terminal. Tighten the retaining bolt with a wrench. Close the hood and discard the old wires.

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