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Home >> Oldsmobile >> 1990 >> Cutlass Calais Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Removal & Installation >> Ignition Module (Dis) >> Removal & Installation (2.2L, 2.5L & 3.1L)
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Removal & Installation (2.2L, 2.5L & 3.1L)

  1. Disconnect negative battery cable. Unplug connectors at ignition module. Disconnect spark plug wires from coil pack. Remove ignition module from engine block. Remove coils and assembly plate.
  2. On 2.5L engines, inspect crankshaft sensor "O" ring for wear, cracks or other damage. Replace if necessary. Lubricate new "O" ring with engine oil before installing.
  3. To install, reverse removal procedure. Tighten ignition coil nuts and module to specification. See TORQUE SPECIFICATIONS  at the end of article.
NOTE: If spark plug boots adheres to spark plugs, use Boot Remover (J-36011). Twist first and then pull upward. Boots must be in place on housing prior to ignition system assembly installation or damage may result.