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How to Take Off a Pick Up Coil on a 5.7L Engine

by Russell Wood

Many Chevrolet vehicles feature a 5.7L engine, commonly known as a 350 because of its 350 cubic inch displacement. These vehicles use coils to control the ignition system, which is mounted on the intake manifold. When the coil goes out, the vehicle runs poorly and the gas mileage suffers. To fix the issue, you must first remove the coil from the engine. In this case, the project vehicle is a 1998 Chevrolet Silverado with a 5.7L engine, but the process is similar for other 5.7L powered vehicles as well.

Step 1

Pop the hood. Take off the wing nut in the center of the air filter cover to remove the air filter. Lift the air filter off the engine.

Step 2

Locate the ignition coil on the passenger side of the intake manifold. Twist off the ignition wire on the coil using your hands. Depress the tab on the plug to unplug the wiring harness to the coil.

Step 3

Unbolt the coil from the intake manifold using the 3/8-inch ratchet and socket.

Drill out the rivets holding the coil to the coil bracket using the drill and metal drill bits. Remove the coil from the bracket.

Items you will need

  • 3/8-inch ratchet and socket set
  • Drill
  • Metal drill bits

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