GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Tracker - 2WD 🢒 Engine 🢒 Engine Mechanical - 2.0L 🢒 Oil Pump Replacement

Removal Procedure

    Notice: Do not damage the oil pan contact surface of the lower cylinder block when removing the oil pan.

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

    2. Object Number: 464723 Size: SH
  2. Remove the 3 bolts and the oil pump strainer.

    3. Object Number: 465033 Size: SH
  3. Remove the 4 bolts and the oil pump drive chain cover (1).

    4. Object Number: 465044 Size: SH
  4. Remove the 3 bolts and the oil pump.
  5. Clean the following components:
    6. • The inside of the engine oil pan
    • The oil pump strainer screen
    • The mating surfaces of the engine oil pan and the lower cylinder block
    • The oil pump

    Object Number: 625580 Size: SH
  6. If necessary, remove the 2 nuts (2) and the oil pump chain guide (1). The chain tension will have to be adjusted if the guide is removed or if the chain is replaced.

Installation Procedure

    Object Number: 465044 Size: SH

    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.

  1. Install the oil pump to the lower crankcase. Secure with the 3 bolts.

    2. Tighten
    Tighten the 3 bolts to 27 N·m (20 lb ft).


    Object Number: 625580 Size: SH
  2. If removed, install the oil pump chain guide (1). The chain tension will have to be adjusted if the guide is removed or if the chain is replaced. Install the 2 nuts finger tight.
  3. Insert a 0.5 mm (0.020 in) feeler gauge (3) between the chain and the chain guide.
  4. Adjust the chain tension by holding the chain guide against the chain with a force of 20- 30 Newtons (4.4-6.6 lb).
  5. Tighten the nuts while holding this tension.

    6. Object Number: 465033 Size: SH
  6. Install the oil pump drive chain cover (1). Secure with the 4 bolts.

    7. Tighten
    Tighten the 4 bolts to 11 N·m (97 lb in).


    Object Number: 464723 Size: SH
  7. Install new O-rings and install the oil pump strainer to the oil pump.
  8. Install and tighten the 2 strainer bolts first and then the bracket bolt.

    9. Tighten
    Tighten the 3 bolts to 11 N·m (97 lb in).

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