Special Tools

EN 48898 Supercharger Lift Fixture

For equivalent regional tools, refer to Special Tools

Note: 

•	The supercharger, throttle body, fuel injection rail and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the supercharger as an assembly.

•	Cover the inlet area of the supercharger to prevent dirt or debris contamination onto the rotors.




1. Cover the inlet area of the supercharger (1) to prevent dirt or debris contamination onto the rotors.



2. Install the EN 48898 fixture to the supercharger.
3. Tighten the EN 48898 fixture bolts and nuts until snug.
4. Using the lifting device, install the supercharger onto the engine. Align the dowel pin at the right front of the supercharger to the cylinder head.



5. Apply a 5 mm (0.2 in) band of threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the bolts.
6. Install the supercharger bolts (1).



7. Tighten the bolts.
8. Tighten the bolts a first pass in sequence to 5 N·m (44 lb ft).
9. Tighten the bolts a final pass in sequence to 10 N·m(89 lb ft).




Note: The fuel rail with injectors must be installed prior to intercooler/cover installation.

10. Install the fuel rail with injectors as required. Refer to Fuel Rail and Injectors Installation.
11. Install the supercharger cover seal (3).
12. Install the supercharger cover bolts (1) and the supercharger cover (2).



13. Tighten the bolts.
14. Tighten the bolts a first pass in sequence to 5 N·m(44 lb ft).
15. Tighten the bolts a final pass in sequence to 10 N·m(89 lb ft).



16. Install the positive crankcase ventilation (PCV) - dirty air hose to the valley cover and supercharger.