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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1678 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - On Vehicle) >> Air Conditioning (A/C) Compressor and Power Steering Pump Bracket Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: A/C Compressor & Power Steering Pump Bracket
    GM1602063Courtesy of GENERAL MOTORS CORP.
  1. Position the A/C compressor and power steering pump bracket.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the A/C compressor and power steering pump bracket bolts and nuts.

    Tighten:  Tighten the bolts to 46 N.m (34 lb ft).

    3. Fig 2: View Of Power Steering Pump Front Bracket & Bolts
    GM698146Courtesy of GENERAL MOTORS CORP.
  3. Install the power steering pump and loosely install the front bracket bolts.
    4. Fig 3: View Of Rear Power Steering Pump, Bracket & Bolts
    GM656330Courtesy of GENERAL MOTORS CORP.
    NOTE: Tighten the front bracket bolts before the rear bracket bolts to ensure pulley alignment.
  4. Loosely install the rear power steering pump bracket bolts (1).

    Tighten: 

    1. Tighten the front bracket bolts to 50 N.m (37 lb ft).
    2. Tighten the rear bracket bolts to 50 N.m (37 lb ft).

    5. Fig 4: View Of Left Side Idler Pulley & Bolt (Dual Generators)
    GM656138Courtesy of GENERAL MOTORS CORP.
  5. If equipped with dual generators, install the left side idler pulley and bolt.

    Tighten:  Tighten the bolt to 43 N.m (32 lb ft)

  6. Install the auxiliary generator. Refer to Auxiliary Generator Replacement (6.6L) .
    7. Fig 5: View Of A/C Compressor & Bolts
    GM652573Courtesy of GENERAL MOTORS CORP.
  7. Position the A/C compressor.
  8. Install the A/C compressor bolts.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

  9. Connect the A/C cut out switch electrical connector.
  10. Connect the A/C clutch electrical connector.
  11. Install the drive belt. Refer to Drive Belt Replacement .
  12. Install the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (Non-HP2) .
  13. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) or Battery Negative Cable Disconnection and Connection (Dual Batteries) or Battery Negative Cable Disconnection and Connection (Auxiliary Battery) .
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