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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Hydraulic Brake System) >> Repair Instructions >> Vacuum Brake Booster Check Valve and/or Hose Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel injector sight shield, 3.8L engine only. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
    2. Fig 1: Locating Vacuum Hose & Brake Booster Check Valve
    GM176823Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the vacuum hose from the intake manifold.
  3. Disconnect the vacuum hose (2) from the vacuum brake booster check valve (1).
  4. Remove the vacuum brake booster check valve (1) from the vacuum brake booster.
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