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well the 90 3.1 is the same as the 2.8 where the coil pack module is located underneath the front exhaust manifold to replace the module u have to take out all 3 coils leave the park plug wires connected and then disconnect the wires to the module and take out a couple of bolts and just replace it the way it was

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14y ago
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Ethan Gould

Lvl 1
2y ago
How do you get to the coil packs? It is very difficult.

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Q: How do you replace the coil pack modular on a 1990 Chevrolet Cavalier Z24?
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