GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Supercharger Disassemble

    Object Number: 2156817 Size: SH
  1. Remove the air outlet pressure sensor bolt (1).
  2. Remove the sensor (2).
  3. Remove the sensor seal (3), as required.

    4. Object Number: 2156820 Size: SH
  4. Remove the inlet air temperature sensor (1).

    5. Object Number: 2156822 Size: SH
  5. Remove the barometric pressure (BARO) sensor bolt (1).
  6. Remove the BARO sensor (2).
  7. Remove the BARO sensor seal (3), as required.

    8. Object Number: 2173558 Size: SH
  8. Remove the bolts (1), plate (2), seal (3), seals (4) from the cooler.

    9. Object Number: 2173565 Size: SH
  9. Remove the charge air cooler (2) and bolts (1).

    10. Object Number: 2173566 Size: SH
  10. Remove the isolator pad (2) and bolts (1), as required.

    11. Object Number: 2156823 Size: SH
  11. Remove the insulator seal (1).

    12. Object Number: 2156826 Size: SH
  12. Remove the charge air bypass valve tube (1).
  13. Remove the charge air bypass valve vacuum tube (2).

    14. Object Number: 2156827 Size: SH
  14. Remove the inlet air pressure sensor bolt (1).
  15. Remove the inlet air pressure sensor (2).
  16. Remove the inlet air pressure sensor seal (3), as required.

    17. Object Number: 2156828 Size: SH
  17. Loosen the evaporative emissions (EVAP) bolt.
  18. Remove the EVAP valve (1).
  19. Remove the EVAP valve seal (2), as required.

    20. Object Number: 2156830 Size: SH
  20. Remove the bypass actuator tube (1).
  21. Remove the charge air bypass valve bolt (2).
  22. Remove the charge air bypass valve (3).
  23. Remove the bypass actuator bolts (4).
  24. Rotate the actuator upward and remove the rod from the lever of the supercharger.
  25. Remove the bypass actuator (5).

    26. Object Number: 2054342 Size: SH

    Note: 

       • Do not allow dirt or debris to enter the passages of the supercharger. Cover the intake ports as required.
       • With the manifold positioned upside down on a bench, the lower assembly may be positioned onto the intercooler cover dowel pins. Use care not to reposition or bend the dowel pins.

  26. Drill out the gasket rivets (1) using a drill bit with an outside diameter (OD) no larger than 3.2 mm (0.125 in).
  27. Remove the gaskets (2).