GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2001 🢒 L300/LW300 🢒 Engine 🢒 Engine Mechanical - 3.0L (L81) 🢒 Engine Oil Cooler Cleaning and Inspection

    Object Number: 159495 Size: MH
  1. Clean the oil cooler in solvent.
  2. Backflush the heat exchanger and oil cooler lines with solvent.

    3. Caution: Wear safety glasses in order to avoid eye damage.

  3. Dry the oil cooler components with compressed air.
  4. Remove all sealant from the oil cooler cover.
  5. Inspect the oil cooler for the following:
    6. • Damage to the heat exchanger fins
    • Restrictions in the heat exchanger fins
    • Damage to the threads of the heat exchanger
    • Check the oil cooler cover surface flatness with a straight edge and a feeler gauge
  6. Inspect the oil cooler lines for kinks and damage.
  7. Inspect the oil cooler line banjo-fittings for damage and scoring.