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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 2002 (Hybrid Cooling System - 3.6L (Hp5)) >> Repair Instructions >> Drive Motor Battery Cooling System Draining and Filling >> Draining Procedure

Draining Procedure

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: Drain Valve Opening
    GM2196849Courtesy of GENERAL MOTORS CORP.
  1. Connect GE-47716:  Vac-N-Fill Coolant Refill Tool (1) to drain valve opening and secure with clamp.

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  2. Fig 2: Radiator Cap
    GM2196852Courtesy of GENERAL MOTORS CORP.
  3. Remove radiator cap (1).
  4. To evacuate coolant follow the steps on the GE-47716:  Vac-N-Fill Coolant Refill Tool.
  5. Fig 3: Drain Valve
    GM2196855Courtesy of GENERAL MOTORS CORP.
  6. Turn the drain valve (1) counterclockwise to open.
  7. Fig 4: Palm Over The Coolant Filler Opening
    GM2196858Courtesy of GENERAL MOTORS CORP.
  8. To assist the coolant evacuation, place palm over the coolant filler opening (1) for 30 seconds, then remove (2); repeat 3 times.
  9. Fig 5: Spring Clamp
    GM2196859Courtesy of GENERAL MOTORS CORP.
  10. Using J-38185:  Hose clamp Pliers slide the spring clamp (1) off of the upper cassette coolant manifold 90° fitting.
  11. Fig 6: Finger Over Upper Cassette Coolant Manifold 90° Fitting Opening
    GM2196861Courtesy of GENERAL MOTORS CORP.
  12. To assist in the coolant evacuation, place a finger (1) over the upper cassette coolant manifold 90° fitting opening for 30 seconds, then remove (2); repeat 3 times.
  13. Fig 7: Thumb Over Upper Cassette Coolant Manifold 90° Fitting Opening
    GM2196863Courtesy of GENERAL MOTORS CORP.
  14. To assist in the coolant evacuation, place a thumb (1) over the straight hose opening for 30 seconds, then remove (2); repeat 3 times.
  15. Fig 8: Spring Clamp
    GM2196859Courtesy of GENERAL MOTORS CORP.
  16. Using J-38185:  Hose clamp Pliers install the spring clamp (1) and hose to the upper cassette coolant manifold 90° fitting.
  17. Fig 9: Drain Valve
    GM2196874Courtesy of GENERAL MOTORS CORP.
  18. Turn the drain valve (1) clockwise to close.
  19. Fig 10: Radiator Cap
    GM2196876Courtesy of GENERAL MOTORS CORP.
  20. Install radiator cap (1), and remove GE-47716:  Vac-N-Fill Coolant Refill Tool.