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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1527 (HVAC Systems - Automatic) >> Repair Instructions >> Vacuum Tank Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Engine Harness Vacuum Connector, Hinge Pillar, Vacuum Tank & I/P Harness Vacuum Connector
    GM82079Courtesy of GENERAL MOTORS CORP.
  1. Remove the RH front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  2. Remove the RH front wheelhouse filler panel. Refer to Wheelhouse Filler Replacement in Body Front End.
  3. Remove the PCM. Refer to Powertrain Control Module (PCM) Replacement in Engine Controls.
  4. Tape off the rear edge of the RH fender and the front edge of the RH door to prevent scuffing.
  5. Open the RH door.
  6. Utilizing the opening between the fender and the door, remove the screws retaining the vacuum tank (1) to the hinge pillar (3).
  7. Working through the wheelhouse opening, disconnect the I/P harness vacuum connector (4) from the vacuum check valve (2).
  8. Disconnect the engine harness vacuum connector (5) from the vacuum check valve (2).
  9. Remove the vacuum tank (1) from the vehicle.
  10. Disconnect the vacuum check valve (2) from the vacuum tank (1).
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