OEM 2004 Chevrolet Impala Oil Pump

2004 Chevrolet Impala Oil Pump Parts and Q&A

• Q: How to replace the oil pump on 2004 Chevrolet Impala?

  A: You should start the Oil Pump replacement by taking off the case side cover. Use a flat-bladed tool next to disconnect all the electrical connectors from the solenoid valves, the tfp switch, and the temperature sensor. Make sure you do not take out bolt (205) that holds the Oil Pump in place. Now, take out the Oil Pump bolts (206, 207) and lift the Oil Pump (200) from the Valve Body (300) so you can inspect it. Once you have the Oil Pump ready, put it back into the Valve Body (300) according to the fastener notice in service precautions. Put the Oil Pump bolts (206, 207) in place and tighten them; use 12 nm (106 inch lbs.) for the 207 bolts and 16 nm (12 ft. Lbs.) for the connect the electrical wiring to the solenoid valves (315A, 315B, 322, 334, and 440), the tfp manual valve position switch (395), and the temperature sensor (391), before putting on the case side cover.