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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.5L (LYX) - Repair Instructions >> Repair Instructions >> Vacuum Pump Assembly Replacement >> Installation Procedure
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Installation Procedure

  1. GM4853111Courtesy of GENERAL MOTORS COMPANY

    Lubricate the vacuum pump seal (1) with clean engine oil before installing the vacuum pump. Adhesives, Fluids, Lubricants, and Sealers

  2. GM4853112Courtesy of GENERAL MOTORS COMPANY

    Before continuing, make sure that the vacuum pump locating pins (1) are installed in the vacuum pump.

  3. Install the vacuum pump gasket (2) over the vacuum pump locating pins (1).
  4. GM4853115Courtesy of GENERAL MOTORS COMPANY

    Install the vacuum pump (1) and start the vacuum pump bolts (2) by hand.

  5. CAUTION:

    Refer to Fastener Caution .

  6. Tighten the vacuum pump bolts (2) to;
    1. First Pass; 15 N.m (11 lb-ft)
    2. Final Pass; 25 N.m (18 lb-ft)
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