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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Mechanical - 3.9L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Block Disassemble >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: Identifying Camshaft Rear Bearing Hole Plug Installation Depth
    GM187008Courtesy of GENERAL MOTORS CORP.
    NOTE: Maximum gasket performance is achieved when using new fasteners, which contain a thread-locking patch. If the fasteners are not replaced, a thread locking chemical must be applied to the fastener threads. Failure to replace the fasteners or apply a thread-locking chemical MAY reduce gasket sealing capability.
  1. Remove the camshaft rear bearing hole plug.
    2. Fig 2: View Of Rear Oil Gallery Plugs
    GM909626Courtesy of GENERAL MOTORS CORP.
  2. Remove the rear oil gallery plugs (102, 103).
    3. Fig 3: View Of Front Oil Gallery Plugs, Engine Front Cover Locating Pins & Piston Oil Nozzle
    GM909627Courtesy of GENERAL MOTORS CORP.
  3. Remove the front oil gallery plugs (107, 110, 137).
  4. Remove the engine front cover locating pins (546).
    5. Fig 4: View Of Engine Block Plug, Engine Block Heater & Transmission Locating Pins
    GM909628Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine block plug.
  6. Remove the transmission locating pins.
    7. Fig 5: View Of Knock Sensors
    GM909629Courtesy of GENERAL MOTORS CORP.
  7. Remove the knock sensors.
    8. Fig 6: Locating Engine Oil Pressure Indicator Switch
    GM909630Courtesy of GENERAL MOTORS CORP.
  8. Remove the engine oil pressure indicator switch.
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