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Oil Cooler Replacement: Installation

  1. Install engine oil cooler.
  2. Apply a 2 mm (0.08 in.) head of Loctite 5900® or equivalent, in the groove around engine oil cooler cover in place of oil seal.
    Fig 1: Applying Loctite To Oil Cooler Cover
    G01036992Courtesy of GENERAL MOTORS CORP.
  3. Install engine oil cooler cover.
  4. Install engine oil cooler cover bolts using torque sequence shown. See Fig 2.

    Torque: 

    Engine Oil Cooler Cover Bolt: 30 N.m (22 ft-lbs) 

  5. Install engine oil cooler inlet and outlet nuts.

    Torque: 

    Engine Oil Cooler Inlet and Outlet Nut: 20 N.m (15 ft-lbs) 

    Fig 2: Connecting Cooler Lines To Oil Cooler
    G01036993Courtesy of GENERAL MOTORS CORP.
    WARNING: MAKE SURE VEHICLE IS PROPERLY SUPPORTED AND SQUARELY POSITIONED. TO HELP AVOID PERSONAL INJURY WHEN A VEHICLE IS ON A HOIST, PROVIDE ADDITIONAL SUPPORT FOR THE VEHICLE ON THE OPPOSITE END FROM WHICH COMPONENTS ARE BEING REMOVED.
  6. Raise and support vehicle.
  7. Install oil feed line.
  8. Install return line.
    Fig 3: Locating Oil Cooler Line Port
    G01036994Courtesy of GENERAL MOTORS CORP.
  9. Install oil feed line to engine block.

    Torque: 

    Oil Cooler Feed and Return Lines to Engine Block: 30 N.m (22 ft-lbs) 

  10. Install return line to the engine block.

    Torque: 

    Oil Cooler Feed and Return Lines to Engine Block: 30 N.m (22 ft-lbs) 

    Fig 4: Installing Oil Cooler Line To Engine Block
    G01036995Courtesy of GENERAL MOTORS CORP.
  11. Install engine oil cooler line clamp.
  12. Install crank sensor.
  13. Install crank sensor bolt.

    Torque: 

    Crankshaft Position Sensor Bolt: 8 N.m (71 in-lbs) 

  14. Install oil filter housing.

    Torque: 

    Oil Filter Cartridge Housing-to- 

    Engine: 45 N.m (33 ft-lbs) 

  15. Lower vehicle.
  16. Install oil feed and install return lines to engine oil cooler. Use four new seals.

    Torque: 

    Oil Cooler Feed and Return Lines to Engine 

    Block: 30 N.m (22 ft-lbs) 

    Fig 5: Installing Oil Cooler Lines To Oil Cooler
    G01036996Courtesy of GENERAL MOTORS CORP.
  17. Install coolant bridge. See Figure.
  18. Check and fill engine oil as necessary.