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Water Pump Installation

Tools Required 

J 41240  an Clutch Remover and Installer

  1. If reusing the fasteners, apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the water pump bolts.
  2. Install the water pump and the NEW water pump gaskets.
    Fig 1: Installing Water Pump And New Water Pump Gaskets
    G01644145Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the water pump bolts.

    Tighten 

    Tighten the water pump bolts to 45 N.m (33 lb ft).

    Important:  After that assembly, the water pump inlet hose clamp tangs, water pump end, must point forward and the upper tang should be level with the outside diameter of the water pump inlet hose.

  4. Install the water pump inlet hose and the water pump inlet hose clamps.
    Fig 2: Installing Water Pump Inlet Hose
    G01644146Courtesy of GENERAL MOTORS CORP.
  5. Install the fan and water pump pulley and bolts using the J 41240. 
    Fig 3: Installing Fan And Water Pump Pulley And Bolts
    G01644147Courtesy of GENERAL MOTORS CORP.

    Tighten 

    Tighten the fan and water pump pulley bolts to 25 N.m (18 lb ft).