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Removal & Installation

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  1. Turn ignition off. Disconnect negative battery cable. On 4.8L, 5.3L & 6.0L models, loosen retaining bolt on intake manifold sight shield at top of engine. See Figure. Remove intake manifold sight shield from top of engine.
  2. On all models, remove spark plug wire(s) from appropriate ignition coil(s). Disconnect harness connector(s) from appropriate ignition coil(s). Remove retaining bolts from appropriate ignition coil(s). Remove ignition coil(s) from engine.
  3. To install, reverse removal procedure. Tighten fasteners to specification. See TORQUE SPECIFICATIONS .
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