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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1401 (Engine Mechanical - 6.6L (2 Of 5)) >> 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 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of 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 (With Single Battery) , Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) or Battery Negative Cable Disconnection and Connection (With Dual Batteries) .
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