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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1023 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 1 Of 4)) >> Repair Instructions (On-Vehicle & Off Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Air Conditioning (A/C) Compressor and Power Steering Pump Mounting Bracket Replacement >> Removal Procedure

Removal Procedure

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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  2. Remove the drive belt. Refer to Drive Belt Replacement .
  3. If equipped, remove the auxiliary generator. Refer to Generator Replacement - Auxiliary (6.6L (LB7) Engine) in Engine Electrical.
  4. Remove the upper fan shroud. Refer to Fan Shroud Replacement - Upper (W/O M74) or Fan Shroud Replacement - Upper (W/M74) in Engine Cooling.
  5. If equipped with dual generators, remove the bolt from the left side idler pulley (smooth pulley).
  6. Remove the idler pulley.
    7. Fig 1: View Of Idler Pulley & Bolt (Dual Generator)
    GM656138Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the air conditioning (A/C) compressor clutch electrical connector.
  8. Disconnect the A/C cut out switch electrical connector.
  9. Remove the A/C compressor bolts.
    10. Fig 2: View Of A/C Compressor & Bolts
    GM652573Courtesy of GENERAL MOTORS CORP.
  10. Move the A/C compressor with the hoses attached to the right side of the engine compartment.
  11. Remove the positive cable junction block to power steering pump bolt.
  12. Secure the junction block out of the way.
    13. Fig 3: View Of Upper Engine
    GM666693Courtesy of GENERAL MOTORS CORP.
  13. Remove the rear power steering pump bracket bolts (1).
    14. Fig 4: View Of Rear Power Steering Pump, Bracket & Bolts
    GM656330Courtesy of GENERAL MOTORS CORP.
  14. Remove the power steering pump front bracket bolt.
    15. Fig 5: View Of Power Steering Pump Front Bracket & Bolts
    GM698146Courtesy of GENERAL MOTORS CORP.
  15. Move and secure the power steering pump out of the way. The hoses and battery cables can remain attach to pump.
  16. Remove the A/C compressor and power steering pump bracket bolts.
  17. Remove the A/C compressor and power steering pump bracket.
    18. Fig 6: View Of A/C Compressor & Power Steering Pump Bracket & Bolts
    GM660344Courtesy of GENERAL MOTORS CORP.
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