GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1996 🢒 Blazer - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Oil Cooler Hose/Pipe Replacement

Removal Procedure
  1. 4.3L engine to transmission oil cooler line.

    2. Object Number: 33109 Size: SH
  2. 2.2L engine to transmission oil cooler line.

    3. Object Number: 33027 Size: SH
  3. Pull the two plastic caps back from the two cooler line fittings.
  4. Use a bent tip screw driver to pull the clips out and around the fitting.
    5. • Do not pull the clip stright out from the fitting during removal.
    • Remove the clip from the fitting by pulling an ear of the clip out of one of the fitting holes and pulling the clip around the fitting until the clip is free of the fitting.
    • Discard the removed clip.
  5. 4.3L engine to transmission oil cooler line.

    6. Object Number: 33103 Size: SH
  6. 2.2L engine to transmission oil cooler line.

    7. Object Number: 32911 Size: SH
  7. Remove the nut or stud securing the oil cooler line to the engine bracket.
  8. Pull the two plastic caps back from the two cooler line fittings.
  9. Use a bent tip screw driver to pull the clips out and around the fitting.
    10. • Do not pull the clip stright out from the fitting during removal.
    • Remove the clip from the fitting by pulling an ear of the clip out of one of the fitting holes and pulling the clip around the fitting until the clip is free of the fitting.
    • Discard the removed clip.
  10. Remove the oil cooler lines from the vehicle.
  11. Plug the connectors on the transmission and raiditor with a lint free colth.

Installation Procedure
  1. 4.3L engine to transmission oil cooler line.

    2. Object Number: 33109 Size: SH
  2. 2.2L engine to transmission oil cooler line.

    3. Object Number: 33027 Size: SH
  3. Position two NEW clips on and around the radiator connectors.
    4. • Do not push the clip down over the connector during installation of the clip or the clip will be damaged and the connector and cooler line could leak.
    • Install the clip to the fitting by pushing an ear of the clip into of one of the fitting holes and pulling the clip around the fitting until the clip is installed around the fitting.
    • Ensure the clip is free to move after installation onto the fitting.
    • Ensure the three ears of the clip can be seen from inside of the fitting.
  4. Remove the plugs from the radiator.
  5. Secure the end of the oil cooler lines to the radiator fittings.
    6. • Push the end of the oil cooler line into the fitting until a click is ether heard or felt.
    • Ensure the oil cooler line is fully seated into the fitting.
    • Pull lightly on the oil cooler line to ensure the oil cooler line is locked into the fitting.
    • Ensure the yellow band on the end of the oil cooler line is covered by the fitting.
  6. Position the plastic cap on the oil cooler line over the fitting.
    7. • Ensure the plastic cap fits over the fitting with out forcing the clip down further on the fitting.
    • Ensure that the plastic cap is fully seated on the fitting.
    • Ensure that their is no gap between the plastic cap and the fitting horizontal flat edge.
  7. 4.3L engine to transmission oil cooler line.

    8. Object Number: 33103 Size: SH
  8. 2.2L engine to transmission oil cooler line.

    9. Object Number: 32911 Size: SH
  9. Position two NEW clips on and around the two transmission connectors.
    10. • Do not push the clip down over the connector during installation of the clip or the clip will be damaged and the connector and cooler line could leak.
    • Install the clip to the fitting by pushing an ear of the clip into of one of the fitting holes and pulling the clip around the fitting until the clip is installed around the fitting.
    • Ensure the clip is free to move after installation onto the fitting.
    • Ensure the three ears of the clip can be seen from inside of the fitting.
  10. Remove the plugs from the transmission.
  11. Secure the end of the oil cooler lines to the radiator fittings.
    12. • Push the end of the oil cooler line into the fitting until a click is ether heard or felt.
    • Ensure the oil cooler line is fully seated into the fitting.
    • Pull lightly on the oil cooler line to ensure the oil cooler line is locked into the fitting.
    • Ensure the yellow band on the end of the oil cooler line is covered by the fitting.
  12. Position the plastic cap on the oil cooler line over the fitting.
    13. • Ensure the plastic cap fits over the fitting with out forcing the clip down further on the fitting.
    • Ensure that the plastic cap is fully seated on the fitting.
    • Ensure that their is no gap between the plastic cap and the fitting horizontal flat edge.
  13. Start the engine and check the oil the cooler lines and fittings for leaks.