Removal & Installation (LS400)

Distributorless Ignition System (DIS) uses 8 ignition coils with internal ignitors, one ignition coil/ignitor for each cylinder. Remove engine cover and battery cover. Remove intake air connector located between throttle body and air cleaner assembly. Disconnect ignition coil/ignitor connector. Remove bolt and ignition coil/ignitor. To install, reverse removal procedure. Tighten ignition coil/ignitor bolt and nuts to specification. See TORQUE SPECIFICATIONS .