GM Service Manual Online
For 1990-2009 cars only

Engine Block Disassemble LDK


    Object Number: 2146311  Size: SH
  1. Remove the water jacket drain plug.
  2. Remove the oil flow check valve.
  3. Remove the rear oil passage plug.
  4. Remove the 6 oil passage plugs on the sides of the block (3).
  5. Remove the 2 water passage plugs on the top of the block (2).
  6. Remove the 2 front oil passage plugs (4).

  7. Object Number: 2146312  Size: SH
  8. Remove the knock sensors (1).

  9. Object Number: 2146313  Size: SH
  10. Remove the oil pressure switch (2).
  11. Remove the crankshaft position (CKP) sensor (1) and bolt.
  12. Inspect the crankshaft position sensor for damage and replace, if necessary.

  13. Object Number: 2146314  Size: SH
  14. Loosen the piston oil nozzle assembly captured bolts and remove the piston oil nozzle assemblies (1).

Engine Block Disassemble LTD, LE5


    Object Number: 2146311  Size: SH
  1. Remove the engine block coolant drain plug.
  2. Remove the oil flow check valve.
  3. Remove the rear oil passage plug.
  4. Remove the 6 oil passage plugs on the sides of the block (3).
  5. Remove the 2 water passage plugs on the top of the block (2).
  6. Remove the 2 front oil passage plugs (4).

  7. Object Number: 2148497  Size: SH
  8. Remove the knock sensor (1) and bolt.

  9. Object Number: 2148499  Size: SH
  10. Remove the oil pressure switch (2).
  11. Remove the crankshaft position (CKP) sensor (1) and bolt.

  12. Object Number: 2146314  Size: SH
  13. If equipped, loosen the piston oil nozzle assembly (1) bolt and remove the piston oil nozzle assembly.