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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1887 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Coolant Pump Replacement (LAT)

Heater Coolant Pump Replacement (LAT)

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Heater Coolant Pump (LAT)
GM1814283Courtesy of GENERAL MOTORS CORP.
Heater Coolant Pump Replacement (LAT)

Callout Component Name

Preliminary Procedures

  1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (GE 47716 Fill) .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the inlet and outlet hose clamp from the auxiliary heater pump.
  4. Remove the inlet and outlet hoses from the auxiliary heater pump.
1 Auxiliary Heater Coolant Pump Screw

Tighten:  9 N.m (80 lb in)

2 Auxiliary Heater Coolant Pump
Tip:  Disconnect electrical connection.