Buick 10457730 Ignition Coil Kit

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For six-cylinder models,Disconnect the cable from the negative battery terminal. Remove the air intake duct and resonator from the throttle body. Disconnect the electrical connector from the ignition coil (Disengage the connector lock then unplug the electrical connector). Remove the ignition coil mounting bolt and remove the assembly from the valve cover (remove 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 to the specific torque. V8 MODELS: Disconnect the cable from the negative battery terminal. The ignition coils may be removed from each cylinder bank as a complete assembly or removed from the mounting bracket individually. If removing the complete assembly, disconnect the ignition coil main electrical connector. Disconnect the spark plug wires from the spark plugs. Remove the ignition coil bracket mounting nuts/bolts and remove the assembly from the engine. If removing the individual coil, disconnect the spark plug wire from the coil. Remove the ignition coil mounting screws and remove the ignition coil from the bracket (Remove the ignition coil mounting screws). Installation is the reverse of removal.

If you need more room to work when replacing the ignition coil, you can remove the air intake duct or resonator from the throttle body.

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

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

Yes, they are 100% AC Delco parts

It is one coil per order