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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 1.5L (LYX)) >> Repair Instructions - On Vehicle >> Turbocharger Oil Feed Pipe Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: Turbocharger Oil Feed Pipe Fitting
    GM3764372Courtesy of GENERAL MOTORS COMPANY
  1. The retainer (1) of the turbocharger oil feed pipe fitting (2) is pre-installed.
  2. Fig 2: Turbocharger Oil Feed Pipe Fitting Gasket
    GM3764374Courtesy of GENERAL MOTORS COMPANY
  3. Install a NEW turbocharger oil feed pipe fitting gasket (1).
  4. Install a NEW turbocharger oil feed pipe fitting (2) and tighten to 35 N.m (26 lb ft).
  5. Fig 3: Turbocharger Oil Feed Pipe, Clip And Retainer
    GM3764371Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    When installing a quick-connect turbocharger oil feed pipe, ensure that the oil feed pipe is fully secured into the oil feed pipe fitting. An audible click will be heard when the oil feed pipe is seated. If the oil feed pipe is not fully seated, an oil leak can occur in certain RPM ranges and will cause significant component and/or vehicle damage. Due to the possibility of significant component and/or vehicle damage from an oil feed pipe leak, it is necessary to start the engine and inspect for signs of leakage around the connections after performing the repair.

    NOTE:

    The retainer (3) is pre-installed in the fitting. Therefore the pipe can be snapped into the fitting but cannot be removed once installed.

  6. Install the turbocharger oil feed pipe (2).
  7. Install the turbocharger oil feed pipe clip (1).
  8. Pull back on turbocharger oil feed pipe (2) to be sure the retainer (3) properly retains the pipe in the fitting.
  9. Lower the vehicle.
  10. Fig 4: Turbocharger Oil Feed Pipe Bolt And Gaskets
    GM3979896Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Ensure that the turbocharger oil feed pipe does not rotate while torquing it. There should be a minimum 10 mm gap between the oil feed pipe and the v-band clamp. Failure to perform this could result in damage to the oil feed pipe and create an oil leak.

  11. Install 2 NEW turbocharger oil feed pipe gaskets (2).
  12. Install the turbocharger oil feed pipe bolt (1) and tighten to 32 N.m (24 lb ft)
  13. Install Air Conditioning Compressor Bracket Replacement (LYX) .