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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 6.6L - On Vehicle Repair Instructions) >> 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 variant/trim than selected.
  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) .
  2. Remove the drive belt. Refer to Drive Belt Replacement .
  3. If equipped, remove the auxiliary generator. Refer to Generator Replacement - Auxiliary (6.6L (LLY) Engine) .
  4. If equipped with dual generators, remove the bolt from the left side idler pulley (smooth pulley).
    Fig 1: View Of Left Side Idler Pulley & Bolt (Dual Generators)
    GM656138Courtesy of GENERAL MOTORS CORP.
  5. Remove the idler pulley.
  6. Disconnect the air conditioning (A/C) compressor clutch electrical connector.
  7. Disconnect the A/C cut out switch electrical connector.
  8. Remove the A/C compressor bolts.
    Fig 2: View Of A/C Compressor & Bolts
    GM652573Courtesy of GENERAL MOTORS CORP.
  9. Move the A/C compressor with the hoses attached to the right side of the engine compartment.
  10. Remove the positive cable junction block to power steering pump bolt (1).
    Fig 3: View Of Battery Cable Junction Block Bolt At Power Steering Pump Bracket
    GM1409332Courtesy of GENERAL MOTORS CORP.
  11. Secure the junction block out of the way.
  12. Remove the rear power steering pump bracket bolts (1).
    Fig 4: View Of Rear Power Steering Pump, Bracket & Bolts
    GM656330Courtesy of GENERAL MOTORS CORP.
  13. Remove the power steering pump front bracket bolt.
    Fig 5: View Of Power Steering Pump Front Bracket & Bolts
    GM698146Courtesy of GENERAL MOTORS CORP.
  14. Move and secure the power steering pump out of the way. The hoses and battery cables can remain attach to pump.
  15. Remove the A/C compressor and power steering pump bracket bolts.
  16. Remove the A/C compressor and power steering pump bracket.
    Fig 6: A/C Compressor And Power Steering Pump Bracket
    GM1602063Courtesy of GENERAL MOTORS CORP.
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