Supercharger Replacement

Supercharger Replacement

Special Tools
* EN-48898 - Supercharger Lift Fixture
* J-37088-A - Fuel Line Disconnect Tool Set

Removal Procedure

1. Remove the supercharger belt. Refer to Supercharger Belt Replacement Supercharger Belt Replacement.
2. Remove the barometric pressure sensor. Refer to Barometric Pressure Sensor Replacement Service and Repair.
3. Remove the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement Service and Repair.





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.

4. Remove the positive crankcase ventilation (PCV) dirty air hose (1) from the valley cover and supercharger.




5. Remove the charge air cooler cover. Refer to Charge Air Cooler Cover Replacement Charge Air Cooler Cover Replacement.
6. Remove the charge air cooler cover seal (3).




7. Remove the charge air cooler insulator (1).




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




9. Remove the supercharger bolts (1).




10. Install the EN-48898 - fixture to the supercharger and tighten the EN-48898 - fixture studs and nuts until snug.
11. Using a lifting device, remove the supercharger from the engine.

Installation Procedure





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 supercharger rotors area (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 a 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).





Caution: Refer to Fastener Caution Fastener Caution.

7. Tighten the bolts.

1. Tighten the bolts a first pass in sequence to 5 Nm (44 lb in).
2. Tighten the bolts a final pass in sequence to 10 Nm (89 lb in).




8. Install the charge air cooler cover seal (3).
9. Install the charge air cooler cover bolts (1) and supercharger cover (2).




10. Tighten the bolts.

1. Tighten the bolts a first pass in sequence to 5 Nm (44 lb in).
2. Tighten the bolts a final pass in sequence to 10 Nm (89 lb in).




11. Install the PCV dirty air hose (1) to the valley cover and supercharger.
12. Install the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement Service and Repair.
13. Install the barometric pressure sensor. Refer to Barometric Pressure Sensor Replacement Service and Repair.
14. Install the supercharger belt. Refer to Supercharger Belt Replacement Supercharger Belt Replacement.