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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1909 (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 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Heater Coolant Pump Replacement (LAT) Components
GM1871408Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill With HP5) or Cooling System Draining and Filling (Static Fill Without HP5) or Cooling System Draining and Filling (GE 47716 Fill With HP5) or Cooling System Draining and Filling (GE 47716 Fill Without HP5) .
  2. Remove the inlet and outlet hose clamp from the auxiliary heater pump.
  3. Remove the inlet and outlet hoses from the auxiliary heater pump.
1 Auxiliary Heater Coolant Pump Screw
CAUTION: Refer to Fastener Caution .

Tighten:  9 N.m (80 lb in)

2 Auxiliary Heater Coolant Pump
Procedure: 
Disconnect the electrical connection.