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Oil Cooler: Installation

WARNING: This page is about a different car, the 1999 Cadillac Catera and 1998 Cadillac Catera. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  1. Install the engine oil cooler.
  2. Apply a 2 mm (0.08 in) bead of RTV silicone sealant, GM P/N 12346240, in the groove around the engine oil cooler cover. See Fig 1.
  3. Install the engine oil cooler cover.
  4. Install the engine oil cooler cover bolts (2). See Figure. Tighten the engine oil cooler cover bolts to 22 lb ft (30 N.m).
  5. Install the engine oil cooler inlet and outlet nuts (1). See Figure. Tighten the engine oil cooler inlet and outlet nuts to 15 lb ft (20 N.m).
  6. Reposition the oil feed and return lines.
  7. Install the oil cooler outlet and install the oil cooler inlet lines to the engine oil cooler. Use 4 new seals. Tighten the oil feed and return lines to 22 lb ft (30 N.m).
  8. Install the water crossover
    • Position the crossover.
    • Install the upper and lower seals (2). See Figure.
    • Install the water crossover bolts (1). Tighten the water crossover bolts to 22 lb ft (30 N.m).
    : .
  9. Connect the electrical connectors at the following locations:
    • The engine coolant temperature sensor (4)
    • The engine coolant temperature sender (2).
  10. Install the intake manifold.. See INTAKE MANIFOLD & SPACER .
  11. Install the intake plenum. See INTAKE PLENUM .
  12. Raise the vehicle.
  13. Install the oil cooler outlet (1) line to the engine block. See Figure. Tighten oil cooler outlet (1) line to 22 lb ft (30 N.m).
  14. Install the oil cooler inlet (2) line to the engine block. Tighten oil cooler inlet (2) line to 22 lb ft (30 N.m).
  15. Install the oil filter housing to the engine block. Tighten the oil filter housing to 33 lb ft (45 N.m).
  16. Lower the vehicle.
  17. Fill the crankcase with engine oil.
Fig 1: Applying RTV Sealant To Oil Cooler Cover
G00215812Courtesy of GENERAL MOTORS CORP.