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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 356 (Automatic Transmission Servicing) >> Removal & Installation >> Oil Cooler Lines Quick Connect Fittings >> Installation

Oil Cooler Lines Quick Connect Fittings: Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: DO NOT reuse any of the existing fittings if there is excessive corrosion. 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:
    1. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting. See Fig 1 .
    2. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting. See Fig 2 .
    3. DO NOT install the new retaining ring onto the fitting by pushing the retaining ring. See Fig 3 .
    4. Ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots. See Fig 4 .
    5. Install the new retaining ring (E-clip) into the remaining quick connect fittings.
  2. Install the cooler lines into the quick connect fitting. See Fig 5 .
  3. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.
  4. DO NOT use the plastic cap on the cooler line in order to install the cooler line into the fitting. See Fig 6 .
  5. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting.
  6. 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. See Fig 7 .
  7. Ensure that the plastic cap is fully seated against the fitting.
  8. Ensure that no gap is present between the cap and the fitting. See Fig 8 .
  9. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting. See Fig 7 .
  10. A hidden yellow identification band indicates proper joint seating. See Fig 9 .
  11. Inspect the transmission fluid level.
Fig 1: Starting Retaining Ring Onto Quick Connect Fitting
G00088355Courtesy of GENERAL MOTORS CORP.
Fig 2: Installing Retaining Ring On Quick Connect Fitting
G00088356Courtesy of GENERAL MOTORS CORP.
Fig 3: View Of Incorrect Method Of Installing Retainer Ring
G00088357Courtesy of GENERAL MOTORS CORP.
Fig 4: View Of Correctly Installed Retainer Ring
G00088358Courtesy of GENERAL MOTORS CORP.
Fig 5: Installing Cooler Lines To Quick Connect Fitting
G00088359Courtesy of GENERAL MOTORS CORP.
Fig 6: Incorrect Installation Method Using Plastic Cap To Install
G00088360Courtesy of GENERAL MOTORS CORP.
Fig 7: Installed View Of Quick Connect Fitting
G00088363Courtesy of GENERAL MOTORS CORP.
Fig 8: Checking For Improper Gap
G00088361Courtesy of GENERAL MOTORS CORP.
Fig 9: Checking For Identification Band
G00088362Courtesy of GENERAL MOTORS CORP.
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