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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1122 (Hydraulic Brake System) >> Repair Instructions >> Vacuum Brake Booster Check Valve and/or Hose Replacement (LLT) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Vacuum Brake Booster Hose Quick Connect
    GM1919921Courtesy of GENERAL MOTORS CORP.
  1. Install the vacuum brake booster hose quick connect (1) to the power brake booster auxiliary pump.
  2. Fig 2: View Of Vacuum Clamp & Hose
    GM1919913Courtesy of GENERAL MOTORS CORP.
  3. Position a new hose clamp (1) to the vacuum brake booster hose.
  4. Install the vacuum hose (2) to the vacuum port on the LH side of the intake manifold.
  5. Using a suitable tool, compress the clamp to secure the vacuum brake booster hose to the vacuum port fitting.
  6. Fig 3: Identifying Check Valve & Vacuum Brake Booster
    GM1919905Courtesy of GENERAL MOTORS CORP.
  7. Install the check valve to the vacuum brake booster hose, if removed.
  8. Install the check valve (1) to the vacuum brake booster.

    If necessary, a small amount of denatured alcohol may be used as a lubricant for assembly. Do not use soap.