GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Uplander Ext. 🢒 Engine 🢒 Engine Mechanical - 3.5L (LX9) 🢒 Oil Pump Replacement

Removal Procedure
  1. Remove the oil pan. Refer to Oil Pan Replacement .

    2. Object Number: 190530 Size: SH
  2. Remove the oil pump bolt.
  3. Remove the oil pump and the oil pump drive shaft.
  4. Inspect the oil pump drive shaft and the oil pump. Refer to Oil Pump Cleaning and Inspection .

Installation Procedure

    Important: Rotate the oil pump drive shaft as necessary in order to obtain the engagement with the oil pump drive unit.


    Object Number: 190530 Size: SH
  1. Install the oil pump drive shaft and the oil pump.

    2. 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.

  2. Install the oil pump bolt.

    3. Tighten
    Tighten the bolt to 41 N·m (30 lb ft).

  3. Install the oil pan. Refer to Oil Pan Replacement .