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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1882 (Manual Transmission Clutch System) >> Repair Instructions >> Hydraulic Clutch Bleeding >> Vacuum Bleeding

Vacuum Bleeding

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: Reservoir To Max Level
    GM1145167Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. Tighten the bleed screw.

    Tighten:  Tighten the screw to 7 N.m (62 lb in).

  2. Ensure the pedal is in the released position by pulling the pedal up against the stop.
  3. Fill the reservoir with DOT 3 hydraulic fluid to the MAX level (1).
    4. IMPORTANT: Brake fluid will deteriorate the rubber on the J45727  . See Special Tools . Use a clean shop towel to wipe away all fluid after each use.
  4. Install the J45727  and attach to the J 23738-A  or equivalent with a length of hose. See Special Tools .
  5. Place the J45727  over the top of the reservoir opening and hold it to ensure a seal when vacuum is applied. See Special Tools .
  6. Operate the J 23738-A  to achieve 51-68 kPa (15-20 hg) on the gage.
  7. Hold vacuum for approximately 1 minute.
  8. Slowly relieve vacuum and remove the J45727  from the reservoir. See Special Tools .
  9. Replenish fluid to the proper level.
  10. Repeat steps 5-9 until all air is removed from the clutch system.
  11. Replace the reservoir cap.
    12. IMPORTANT: The clutch pedal will go to the floor on the first actuation, but should improve on the following actuations.
  12. Actuate the clutch pedal 10-12 times to ensure proper operation.
  13. Road test the vehicle to ensure proper clutch operation and shifting.
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