Installation Procedure

Important: 

• Do not reuse any of the existing retaining rings that were removed from the existing quick connect fittings. All retaining rings being installed must be new.
• Ensure the following procedures are performed when installing the new retaining rings onto the fittings.

1. Install a new retaining ring (E-clip) into the quick connect fitting using the following procedure:
2. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.
   Fig 1: Hooking End Of Retaining Ring Into Quick Connect Fitting

   Courtesy of GENERAL MOTORS CORP.
3. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.
   Fig 2: Rotating Retaining Ring Around Fitting

   Courtesy of GENERAL MOTORS CORP.
4. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
   Fig 3: Identifying Improper Installation Of Retaining Ring

   Courtesy of GENERAL MOTORS CORP.
5. Ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
6. Install the new retaining ring (E-clip) into the remaining quick connect fittings.
   Fig 4: Ensuring Retaining Ring Ears Are Visible From Inside Of Fitting

   Courtesy of GENERAL MOTORS CORP.
   CAUTION: Ensure that the cooler line being installed has a plastic cap on each end that connects to a quick connect fitting. If no plastic cap exists, or the plastic cap is damaged, obtain a new plastic cap and position on to the cooler line prior to the cooler line installation.
7. Install the cooler lines to the vehicle.
   Fig 5: Installing Cooler Lines To Vehicle

   Courtesy of GENERAL MOTORS CORP.
8. Install the cooler lines into the quick connect fittings.
9. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.
   Fig 6: Installing Cooler Lines Into Quick Connect Fittings

   Courtesy of GENERAL MOTORS CORP.
10. Do not use the plastic cap on the cooler line in order to install the cooler line into the fitting.
11. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting.
    Fig 7: Pulling Back On Cooler Line

    Courtesy of GENERAL MOTORS CORP.
12. Position (snap) the plastic cap onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect fitting.
13. Ensure that the plastic cap is fully seated against the fitting.
    Fig 8: Ensuring Proper Seating Of Plastic Cap

    Courtesy of GENERAL MOTORS CORP.
14. Ensure that no gap is present between the cap and the fitting.
    Fig 9: Ensuring No Gap Is Present Between Cap & Fitting

    Courtesy of GENERAL MOTORS CORP.
15. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting. A hidden yellow identification band indicates proper joint seating.
    Fig 10: Ensuring Yellow Identification Band On Tube Is Hidden

    Courtesy of GENERAL MOTORS CORP.
16. Do not install the cooler line end into the fitting incorrectly.
17. If you cannot position the plastic cap against the fitting, remove the retaining ring from the quick connect fitting per Step 5 of the cooler line removal procedure. Check the retaining ring and the tube end in order to ensure neither is bent. Replace the cooler line or the retaining ring if necessary, and reinstall per step 2 of the cooler line installation procedure.
18. Install the cooler lines into the retaining clip at the oil pan.
    Fig 11: Identifying Improper Fitting Of Cooler Line End

    Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to FASTENER NOTICE .
19. Install the flair nut securing the lower oil cooler line to the radiator.

    Tighten 

    Tighten the flair nuts to 45 N.m (33 lb ft).

20. Lower the vehicle.
21. Install the flare nut securing the upper cooler line to the radiator.

    Tighten 

    Tighten the flair nut to 45 N.m (33 lb ft).

22. Start the engine.
    Fig 12: Installing Nuts Securing Lower & Upper Cooler Lines

    Courtesy of GENERAL MOTORS CORP.