Oil Pump Removal

Tools Required

• J 42065  Crank Hub Holding Tool. See Special Tools and Equipment .
• J 42098  Crank Hub Torx Socket. See Special Tools and Equipment .

Fig 1: Identifying J 42065
Courtesy of GENERAL MOTORS CORP.
1. Mount the J 42065  to prevent movement of the crankshaft. See Special Tools and Equipment .
2. Use the J 42098  to remove the crankshaft drive gear bolt. See Special Tools and Equipment .
Fig 2: Removing & Installing Crankshaft Gear Bolt
Courtesy of GENERAL MOTORS CORP.
3. Remove the crankshaft drive gear.
4. Remove the oil pump collar.
Fig 3: Removing & Installing Oil Pressure Sensor
Courtesy of GENERAL MOTORS CORP.
5. Remove the oil pressure sensor.
Fig 4: Identifying Self-Tapping Screw
Courtesy of GENERAL MOTORS CORP.
6. Using a suitable tool, insert a self-drilling sheet metal screw into the steel ring of the crankshaft front oil seal.
7. Use pliers to pull out the crankshaft front oil seal.
Fig 5: Removing & Installing Oil Pump Bolts
Courtesy of GENERAL MOTORS CORP.
8. Remove the oil pump bolts.
9. Remove the oil pump and gasket.