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How do you change the oil pump on a vectra v6 2.5sri and where is it?

To change the oil pump on a Vectra V6 2.5SRI, you will need the following tools:

- A new oil pump

- An oil filter wrench

- A new oil filter

- A funnel

- New oil (the correct type and amount for your vehicle)

- A wrench

- A socket set

Instructions:

1. Locate the oil pump. The oil pump is located at the front of the engine, just below the water pump.

2. Remove the oil filter. Use an oil filter wrench to loosen and remove the oil filter.

3. Remove the oil pan. You will need to remove several bolts to remove the oil pan. Be careful not to spill any oil.

4. Remove the oil pump. Once the oil pan is removed, you will be able to see the oil pump. Remove the bolts holding the oil pump and remove it from the engine.

5. Install the new oil pump. Place the new oil pump in position and secure it with the bolts you removed earlier.

6. Install the new oil filter. Screw the new oil filter into place until it is snug.

7. Replace the oil pan. Replace the oil pan and secure it with the bolts you removed earlier.

8. Add new oil. Use a funnel to add new oil to the engine. Add the correct amount of oil for your vehicle.

9. Start the engine and check for leaks. Start the engine and let it run for a few minutes. Check for any leaks from the oil pump or oil pan. If there are any leaks, tighten the bolts until the leaks stop.