GM: Electra/Park Avenue/Ninety-Eight 1990-1993

Supercharger

Print



Click image to see an enlarged view

Fig. Fig. 1 Supercharger assembly and related parts

REMOVAL & INSTALLATION



  1. Disconnect the negative battery cable.
  2.  
  3. Remove the accessory drive belt from the supercharger pulley.
  4.  
  5. Relieve the fuel pressure and remove the fuel injector sight shield.
  6.  
  7. Disconnect the fuel pipes from the fuel rail and vacuum hose at the pressure regulator.
  8.  
  9. Disconnect the electrical connectors from the fuel injectors and remove the fuel rail mounting bolts. Remove the fuel rail with the injectors intact.
  10.  
  11. Disconnect the electrical connectors at the iac, tps, maf, egr and boost control solenoid. Lay the wiring harness aside.
  12.  
  13. Remove the air intake duct and remove the egr pipe from the supercharger.
  14.  
  15. Disconnect the throttle cable and the cruise control cable. Remove the cable bracket.
  16.  
  17. Remove the tensioner bracket to supercharger mounting stud.
  18.  
  19. Remove the supercharger to intake manifold bolts, remove the supercharger from the intake manifold. Remove the supercharger gasket and coolant passage O-rings.
  20.  

To install:

  1. Replace the oil passage O-rings and the supercharger gasket.
  2.  
  3. Install the supercharger and bolts. Install the tensioner bracket-to-supercharger bolt. Tighten the bolts to 19 ft. lbs. (26 Nm).
  4.  
  5. Install the cable bracket and connect the throttle and cruise control cables.
  6.  
  7. Connect the egr pipe to the supercharger and install the air intake duct.
  8.  
  9. Connect the electrical connectors to the iac, tps, maf, egr and boost control solenoid.
  10.  
  11. Install the fuel rail and bolts and tighten the bolts to 15 ft. lbs. (24 Nm).
  12.  
  13. Connect the connectors to the fuel injectors and the vacuum hoses at the pressure regulator.
  14.  
  15. Connect the fuel pipes to the fuel rail and install the fuel injector sight shield.
  16.  
  17. Install the accessory drive belt to the supercharger and connect the negative battery cable.
  18.  

 
label.common.footer.alt.autozoneLogo