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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1057 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 3 Of 4)) >> Repair Instructions (Off-Vehicle - Part 3) >> Vacuum Pump Cleaning and Inspection

Vacuum Pump Cleaning and Inspection

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the vacuum pump hose.
  2. Clean and inspect the vacuum pump and pulley.
  3. Inspect the vacuum pump pulley for damage.
    4. Fig 1: View Of Vacuum Pump Inspection Areas
    GM881735Courtesy of GENERAL MOTORS CORP.
  4. Replace the vacuum pump or pulley if damaged.
  5. Install the vacuum pump hose.
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