Engine Block Plug Removal

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Remove the cooling jacket core plugs.
1. 1.1. Use a suitable self-threading screw.
2. 1.2. Drill a hole into the cooling jacket plug.
3. 1.3. Install the self-threading screw.
4. 1.4. Pry out the cooling jacket plug.
  
  Fig 1: Removing Cooling Jacket Core Plugs
  Courtesy of GENERAL MOTORS CORP.
Remove the cooling jacket drain plug.

Fig 2: Removing Cooling Jacket Drain Plug
Courtesy of GENERAL MOTORS CORP.
Remove the right side oil passage plug.

Fig 3: Removing Right Side Oil Passage Plug
Courtesy of GENERAL MOTORS CORP.
Remove the oil pressure sender or switch assembly.

Fig 4: Removing Oil Pressure Sender Or Switch Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the upper oil passage plug.

Fig 5: Removing Upper Oil Passage Plug
Courtesy of GENERAL MOTORS CORP.
Remove the rear oil passage plugs.

Fig 6: Removing Rear Oil Passage Plugs
Courtesy of GENERAL MOTORS CORP.
Remove the camshaft rear cover and gasket.

Fig 7: Removing Camshaft Rear Cover And Gasket
Courtesy of GENERAL MOTORS CORP.
Remove the engine front cover alignment pins.
Remove the front oil passage plug and discard.

Fig 8: Removing Engine Front Cover Alignment Pins
Courtesy of GENERAL MOTORS CORP.