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Home >> Oldsmobile >> 1998 >> Regency >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul 3.8L >> Computerized Engine Controls >> Powertrain Control Module (Pcm) >> Removal & Installation
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Removal & Installation

Turn ignition off. Disconnect negative battery cable. Locate PCM. See PCM LOCATION table. Remove any necessary components to gain access to PCM. Disconnect electrical connectors from PCM. Remove PCM mounting bolts (if equipped). Remove PCM. To install, reverse removal procedure. Transfer any necessary components (i.e., knock module, EEPROM, etc.) to new PCM before installation. Program replacement PCM using appropriate equipment and latest software.

PCM LOCATION

Application Location
3.8L In Right Front Corner Of Engine Compartment