Chevrolet 12611424 Ignition Coil

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Disconnect the cable from the negative battery terminal. Remove the air intake duct. On 6.0L models, remove the engine cover. On all other models, remove the engine cover from the side of the engine from which you wish to remove the ignition coil. For the driver's side cover, remove the oil filler cap to remove the cover. On VB models, you may have to disconnect the PCV hoses to remove the engine covers. Reposition any harnesses or EVAP tubing to allow access to the desired ignition coil. Disconnect the electrical connector from the ignition coil to be removed. Disconnect the spark plug wire boot from the spark plug. Remove the two ignition coil mounting bolts and remove the coil. Before installing the plug wire on the ignition coil, coat the interior of the boot with silicone dielectric compound. Installation is otherwise the reverse of removal.

First, reduce the fuel system pressure and detach the negative battery terminal in order to take out the ignition coil pack of V6 model. After that, remove air filter housing and separate different electric wires' connectors with their clips. Mark where the spark plug wires are situated then pull out the assembly for ignition coil pack. While reinstalling them onto the ignition coil pack, thoroughly coat inside each of its boots with silicone dielectric compound. Disconnect negative battery terminal and intake manifold cover in order to remove V8 ignition coil. Also, disconnect electrical connector from spark plug wire boot at spark plug-remove two bolts mounting the ignition coil, then remove it as well. The opposite of taking apart is how these models are put together again during installation.

Disconnect the cable from the negative battery terminal. Remove the air intake duct and resonator from the throttle body. The engine wiring harness crosses the valve cover in a large conduit, which must be removed to access the front coils. A number of electrical connectors must be disconnected. From below the vehicle, disconnect the connector at the oil pressure sensor and unclip the harness from the oil filter adapter and the power steering pump. Disconnect the camshaft position sensor and camshaft position sensor actuator solenoid. Unclip these wires from the valve cover. On top of the engine disconnect the ECT, the fuel injector harness connector, and the oxygen sensor. Pop the engine harness conduit from its tabs on the valve cover. Pull up the engine harness conduit to access the first ignition coil. Disconnect the electrical connector from the ignition coil. Disengage the connector lock then unplug the electrical connector. Unscrew the ignition coil mounting bolt and remove the coil from the valve cover. Unscrew the ignition coil mounting bolt then pull the coil from the valve cover. Check the seals on the coils for cracks or other signs of damage, replacing them as necessary. Install new seal(s) on the ignition coil(s) if they are damaged or hardened. Installation is otherwise the reverse of removal. Tighten the mounting bolt.

Grasp the coil firmly and pull it off the spark plug.

For installation, the interior of each boot should be coated with silicone dielectric compound before installing them on the ignition coil pack.

The large conduit that the engine wiring harness crosses the valve cover in.

The final step in the installation process is to reverse the removal steps, which includes reconnecting the ignition coil electrical connector, reconnecting the spark plug wires to the spark plugs, and securing the coil back onto the valve cover or bracket.

For these engines, you should disconnect the electrical connectors from the ignition coil and from the ignition control module. Also, disconnect the high-tension cable from the coil high-tension terminal. Then, remove the ignition coil/module bracket mounting bolts and remove the coil, module, and mounting bracket from the engine as a single assembly.

The electrical connector, spark plug wire, and ignition coil mounting bolts should be removed.

The electrical connector, spark plug wire, and ignition coil mounting bolts should be removed.

For installation, the interior of each boot should be coated with silicone dielectric compound before installing them on the ignition coil pack.

Disconnect the cable from the negative battery terminal.

The installation process for the ignition coil on both models is the reverse of the removal process.

The initial steps to remove the V6 model ignition coil pack are to relieve the fuel system pressure and disconnect the negative battery terminal.

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