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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (LF4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Water Pump
    GM2808944Courtesy of GENERAL MOTORS COMPANY
  1. Install a NEW water pump gasket (3).
  2. Install the water pump and hand tighten the water pump fasteners (1).
  3. Fig 2: Water Pump Bolts Tightening Sequence
    GM2587757Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    CAUTION:

    Refer to Fastener Caution .

  4. Tighten the water pump fasteners in the sequence.
    1. On the initial pass, tighten the fasteners in sequence to 10 N.m (89 lb in).
    2. On the second pass, tighten the fasteners in sequence to 10 N.m (89 lb in).
    3. On the final pass, tighten the fasteners in sequence shown an additional 45 degrees.
  5. Fig 3: Water Pump Pulley
    GM2808947Courtesy of GENERAL MOTORS COMPANY
  6. Install the water pump pulley (2) and hand tighten the water pump pulley fasteners (1).
  7. Fig 4: Securing Water Pump Pulley With EN 46104
    GM1342893Courtesy of GENERAL MOTORS COMPANY
  8. Use the EN 46104  water pump pulley holder (1) to hold the pulley.
  9. Tighten the water pump pulley fasteners to 12 N.m (108 lb in).
  10. Install the drive belt. Refer to Drive Belt Replacement (LF4) .
  11. Fill the cooling system. Refer to Cooling System Draining and Filling (Static) Cooling System Draining and Filling (GE 47716) .