GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Aurora 🢒 Engine 🢒 Engine Mechanical - 4.0L 🢒 Oil Pump Suction Pipe and Screen Assembly Replacement

Removal Procedure
  1. Remove the transmission assembly. Refer to Transmission Replacement in Automatic Transmission.

    2. Object Number: 52021 Size: SH
  2. Remove the exhaust crossover pipe retaining bolts from the left exhaust manifold (5) flange and the exhaust manifold rear pipe (2).
  3. Remove the exhaust cross over pipe (4).
  4. Remove the engine oil pan. Refer to Oil Pan Replacement .

    5. Object Number: 62340 Size: SH
  5. Remove the support nut and mounting bolt.
  6. Remove the oil pump pickup pipe.

Installation Procedure

    Object Number: 62340 Size: SH
  1. Lubricate the pickup seal, located in the oil manifold, with engine oil.
  2. Position the oil pump pickup pipe to the lower crankcase.

    3. Notice: 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.

  3. Install the mounting bolt and support nut.

    4. Tighten

        • Tighten the mounting bolt to 10 N·m (89 lb in).
        • Tighten the support nut to 25 N·m (18 lb ft).
  4. Install the oil pan. Refer to Oil Pan Replacement .

    5. Object Number: 52021 Size: SH
  5. Install the exhaust crossover pipe (4).
  6. Install the exhaust crossover retaining bolts into the left exhaust manifold (5) flange and the exhaust manifold rear pipe (2).

    7. Tighten
    Tighten the exhaust crossover retaining bolts to 25 N·m (18 lb ft).

  7. Install the transmission assembly. Refer to Transmission Replacement in Automatic Transmission.