Cruze

Oil Pump Replacement

1. Remove the sump. Refer to Sump Replacement : Manual Gearbox D33 → Automatic Transmission 6T45 .
2. Remove the engine oil pressure sensor wiring harness plug.
3. Remove the engine oil cooler coolant Inlet hose. Refer to Engine Oil Cooler Inlet Hose Removal .
4. Remove the engine oil cooler coolant outlet hose. Refer to Engine Oil Cooler Outlet Hose Removal .
5. Remove the crankshaft sprocket. Refer to Crankshaft Sprocket Removal .
6. Remove the oil pump drive shaft seal. Refer to Oil Pump Drive Shaft Seal Removal .



7. Remove the 7 oil pump housing bolts (2).
8. Remove the oil pump housing (1).
9. Remove the oil pump. Refer to Oil Pump Disassemble .

1. Install the oil pump. Refer to Oil Pump Assemble .




Note: Ensure that the oil pump housing surface is clear of oil, grease and old gasket material.

2. Coat sealant on the oil pump sealing surface (1).



3. Install oil pump housing (1).

Caution: Refer to Fastener Caution in the Preface section.

4. Install the 7 oil pump housing bolts (2) and tighten to 24 N·m (18 lb ft).
5. Install a NEW oil pump drive shaft seal. Refer to Oil Pump Drive Shaft Seal Installation .
6. Install the crankshaft sprocket. Refer to Crankshaft Sprocket Installation .
7. Install the engine oil pressure sensor wiring harness plug.
8. Install the engine oil cooler coolant outlet hose. Refer to Engine Oil Cooler Coolant Outlet Hose Installation .
9. Install the engine oil cooler coolant Inlet hose. Refer to Engine Oil Cooler Inlet Hose Installation .
10. Install the oil pan. Refer to Sump Replacement : Manual Gearbox D33 → Automatic Transmission 6T45 .