How to change an ignition coil on GMC Sierra 2002 V8
DIY, change the ignition coils on your GMC Sierra, the model made in 2002, with the Vortec V8 engine. The replacement is the same for most of the models equipped with the 4.8, 5.3 and 6.0L Vortecs. The only tool you’ll need is a 7 mm socket wrench, with a ratchet and extension. The repair is …
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