Installation Procedure

Important:  When performing the following procedure, do not reuse the old retaining rings. Replace the old retaining rings with new ones.

Do not install the new retaining ring onto the fitting by pushing the retaining ring down over the fitting.

1. Install a new retaining ring (E-clip) into each quick connector at the radiator engine oil cooler by following the next 3 steps.
   Fig 1: Do Not Push Retaining Ring Down Over Fitting

   Courtesy of GENERAL MOTORS CORP.
2. Hook one of the open ends of the retaining ring in one of the slots in the quick connector.
   Fig 2: Hooking Open End Of Retaining Ring Into Quick Connector Slot

   Courtesy of GENERAL MOTORS CORP.
3. Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.
   Fig 3: Positioning Retaining Ring Ears Through Slots

   Courtesy of GENERAL MOTORS CORP.
4. Ensure the 3 retaining ring ears can be seen from the inside of the connector and the retaining ring can move freely in the slots.
   Fig 4: Ensuring Proper Position Of Retaining Ring Ears

   Courtesy of GENERAL MOTORS CORP.
5. Install the engine oil cooler lines into the quick connectors at the radiator engine oil cooler inlet and outlet until a click is heard or felt.

   Pull back on the engine oil cooler lines to ensure a proper connection.

6. Install air cleaner assembly.
7. Raise the vehicle.
   Fig 5: Engine Oil Cooler Lines (2WD)

   Courtesy of GENERAL MOTORS CORP.
8. Install new seals on the engine oil cooler lines at the engine oil filter adapter ends.
   Fig 6: Engine Oil Cooler Line Seals (2WD)

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   NOTE: Refer to FASTENER NOTICE .
9. Install the bolt attaching the engine oil cooler lines to the engine oil filter adapter.

   Tighten 

   Tighten the engine oil filter adapter bolt to 35 N.m (26 lb ft).

   Fig 7: Engine Oil Cooler Lines At Engine Oil Filter Adapter (2WD)

   Courtesy of GENERAL MOTORS CORP.
10. Install the cooler line clamp and the bolt.

    Tighten 

    Tighten the cooler line clamp bolt to 10 N.m (89 lb in).

11. Lower the vehicle.
12. Inspect and fill the engine oil to the proper level.
13. Start the engine and check for leaks.
    Fig 8: Engine Oil Cooler Line Clamp & Bolt (2WD)

    Courtesy of GENERAL MOTORS CORP.