GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 Escalade EXT 🢒 Engine 🢒 Engine Cooling 🢒 Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement

Removal Procedure

    Object Number: 82139 Size: SH
  1. Disengage the plastic caps from the quick connect fittings. Pull the caps back along the pipe.
  2. Using a bent-tip screwdriver or equivalent, pull on one of the open ends of the retaining ring in order to rotate the retaining ring.
  3. Rotate the retaining ring around the quick connector until the retaining ring is out of position and can be completely removed.

    4. Discard the retaining rings.

  4. Remove the engine oil cooler line from the quick connector fitting at the radiator. Refer to Engine Oil Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.

    5. Pull the lines straight out from the connectors.

  5. Clean all of the components in a suitable solvent, and dry them with compressed air.
  6. Inspect the fittings, the connectors, the cooler lines, and the cooler for damage, distortion, or restriction. Replace parts as necessary.

Installation Procedure

    Object Number: 82142 Size: SH

    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 into each quick connector fitting.

    2. Object Number: 82144 Size: SH
  2. Hook one of the open ends of the retaining ring in one of the slots in the quick connector.

    3. Object Number: 82145 Size: SH
  3. Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.

    4. Object Number: 2150420 Size: SH
  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.

    5. Object Number: 1195424 Size: SH
  5. Install the engine oil cooler line into the quick connector fitting until a click is heard or felt.

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


    Object Number: 104753 Size: SH

    Important: Do not manually depress the retaining clip when installing the plastic cap.

  6. Snap the plastic cap onto the quick connect fitting.
  7. Ensure that the plastic cap is fully seated against the fitting.

    8. Object Number: 104754 Size: SH
  8. Ensure that no gap is present between the cap and the fitting.
  9. Inspect and fill the engine oil to the proper level.