Corvette 1997-2005

Throttle Actuator Control Module

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Removal & Installation



  1. Remove the wheelhouse filler panel.
  2.  
  3. Remove the fasteners retaining the throttle actuator control (TAC) module to the powertrain control module (PCM) mounting bracket.
  4.  
  5. Remove any debris from the TAC module connector surfaces before servicing the TAC module. Inspect the TAC module connector gaskets if you diagnose or replace the TAC module. Verify that the gaskets are installed correctly. The gaskets prevent contaminate intrusion into the TAC module.
    CAUTION
    Do not touch the connector pins in order to prevent possible electrostatic discharge (ESD) damage to the TAC module.

  6.  
  7. The ignition should always be OFF if you install or remove the TAC module connectors.
  8.  
  9. Remove the electrical connectors from the TAC module.
  10.  
  11. Remove the TAC module from the vehicle.
  12.  

To install:

  1. Connect the electrical connectors to the TAC module.
  2.  
  3. Align the hole in the rear mounting tab of the TAC module to the corresponding hole in the PCM mounting bracket. Position the TAC module below the rear mounting tab for greater clearance in order to install the rear retaining fastener.
  4.  
  5. Install the TAC module rear retaining fastener.
  6.  
  7. Align the front mounting holes of the TAC module.
  8.  
  9. Install the TAC module front retaining fasteners. Tighten the TAC module retaining fasteners to 2.0 Nm (17 inch lbs.).
  10.  
  11. Install the wheelhouse filler panel.
  12.  

 
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