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Home >> Chevrolet >> 2017 >> Spark LS, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 1.4L (LV7) - Repair Instructions >> Repair Instructions >> Vacuum Pump Assembly Replacement (L5Q) >> Installation Procedure

Installation Procedure

  1. Clean the sealing surfaces.
  2. Install a NEW vacuum pump gasket.
    Fig 1: Vacuum Pump Bolts
    GM4035578Courtesy of GENERAL MOTORS COMPANY
  3. Install the vacuum pump (1).
  4. Vacuum Pump Bolt (2) - Tighten [3x]
    CAUTION: Refer to Fastener Caution

    Tighten

    1. First Pass: 15 N.m (11 lb ft)
    2. Final Pass: 25 N.m (18 lb ft)
  5. Install the surge tank fixing bolts and tighten to 5 N.m (44 lb in)
    Fig 2: Surge Tank And Fixing Bolts
    GM4035574Courtesy of GENERAL MOTORS COMPANY
  6. Install the brake booster vacuum pipe (1) to the vacuum pump. Refer to Plastic Collar Quick Connect Fitting Service .
    Fig 3: Brake Booster Vacuum Pipe And Vacuum Pump
    GM4035571Courtesy of GENERAL MOTORS COMPANY
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