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joseph carrillo
joseph carrillo, Auto service technician
Category: Chevy
Satisfied Customers: 448
Experience:  A.S.E. certified auto electrical , engine performance , advanced engine performance, emmisions
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1996 Chevy: fuel injector..intake manifold..all bolts..accessories

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1996 Chevy Silverado 5.0 (Central SFI) going to replace bad fuel injector. Have upper intake manifold all bolts removed & all accessories clear of manifold. Manifold is loose & will move in all directions approximately 1/4" but will not lift off.



CAUTION : Use care in removing the fuel injectors to prevent damage to the electrical connector terminals, the injector filter, and the fuel nozzle.

NOTE : The fuel injector is serviced as a complete assembly only.

CAUTION : Also since the injectors are electrical components, these injectors should not be immersed in any type of liquid solvent or cleaner as damage may occur.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure . See: Service and Repair
  3. Remove the Upper Manifold Assembly. Refer to Engine Mechanical .

upper manifold REMOVAL

  1. Disconnect the battery negative cable assembly from the battery negative terminal.
  2. Remove the air cleaner assembly. Refer to Powertrain Management.
  3. Remove the wiring harness connectors and the brackets and move aside.
  4. Remove the throttle cable and the bracket from the upper intake manifold.
  5. Remove the cruise control cable, (if equipped).
  6. Remove the fuel lines from the intake to the rear of the block. Refer to Powertrain Management.
  7. Remove the ignition coil and the bracket. Refer to Starting and Charging
  8. Remove the upper intake manifold.

throttle body removal


  1. Disconnect the negative battery cable.
  2. Remove the air inlet duct fastener and the duct.
  3. Remove the IAC valve and the TP sensor electrical connectors.
  4. Remove the throttle and cruise control cables.
  5. Remove the accelerator cable bracket nuts and the bracket.
  6. Remove the throttle body retaining bolts or studs.
  7. Remove the throttle body assembly.
  8. Remove the flange gasket.
  9. Discard the flange gasket.
joseph carrillo and 4 other Chevy Specialists are ready to help you
Customer: replied 10 years ago.
the answer didn't help me, i have already done the steps that he sent me.

graphicif you have everything removed , then the upper plenum should just come straight up , the upper housing for the fuel injector connection , can sometimes make it a little difficult to remove , but if all is clear then up up

Customer: replied 10 years ago.
I have tried to lift it up, but it won't lift...nothing visible holding it.
Customer: replied 10 years ago.
Thank you, XXXXX XXXXX the upper fuel injection connector that was giving me the problem!
great im glad i could help