The ignition coil pack is a crucial part of your ignition system. It's function is to convert the 12 volt power of your vehicle's electrical system in to 35,000 or more volts. This produces a high intensity spark at the spark plug which then ignites the fuel in the cylinder. Coils in general will wear out over time.
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How to Replace Ignition Coil 1986-2005 Buick LeSabre
Created on:
Tools used
Socket Extensions
Ratchet
7/32 Inch Socket
1. Removing the Ignition Coil
Disconnect the two wires for one ignition coil
Put the rear wire aside to the rear and the front one aside to the front
Remove two 7/32 inch bolts from the ignition coil
Pull the ignition coil up and off
2. Installing the New Ignition Coil
Carefully place the new coil onto the contacts, being sure not to bend them
Insert the two 7/32 inch bolts
Plug the wires back on in their original order
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
In this video, we're going to show you how to replace an ignition coil on this 2003 Buick LeSabre. These coils are the same for many different GM vehicles, so this will cross over to different cars, although some vehicles locate the coils in different places. The only tool you'll need is a 7/32 inch socket with a ratchet and extension.
The ignition coils for this vehicle are nicely located right here on the front the engine. There's actually nothing wrong with them. I'm just going to show you how to take them in and out. Each coil does 2 cylinders. Just give the wires a twist. I'll put that one right up there; this one down here so I know which one goes where. Do these one at a time. These bolts are 7/32 inch and you just remove 2 bolts. The coil lifts right up and off. There are two contacts right here that go into the coil and then put your new one on. Carefully place it on those contacts. Make sure you don't bend them. Put your 7/32 inch bolts back in. Then plug back in your wires. The wires have to go back on the same ones, so it's important you do them one at a time and unplug the wires two at a time.
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GN10125
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