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Section 249 (Engine Mechanical - 3.5L (Unit Repair))
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Repair Instructions
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Engine Block Disassemble - Lower
Engine Block Disassemble - Lower
WARNING:
This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Remove the oil gallery expansion plug.
Fig 1: Removing Oil Gallery Expansion Plug
Courtesy of GENERAL MOTORS CORP.
Remove the oil gallery threaded plug.
Fig 2: Removing Oil Gallery Threaded Plug
Courtesy of GENERAL MOTORS CORP.