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Where is the number 2 and 7 cylinder on a 2001 Chevy 5.3L Vortec?

The 2001 Chevy 5.3L Vortec engine's cylinder numbering follows a standard pattern for V8 engines. It's not numbered sequentially from front to back like a straight 6 or inline 4. Instead it numbers in pairs across both cylinder banks.

To determine the location of cylinders 2 and 7, you need to look at the engine from the front (radiator side):

* Cylinder 2: Is on the passenger side (right side) of the engine, towards the front.

* Cylinder 7: Is on the driver's side (left side) of the engine, towards the rear.

Remember, this is a general description. Precise location can vary slightly depending on accessories attached to the engine. A picture of the engine would make precise identification easier. If you have a picture, you can use an online parts diagram or a shop manual to pinpoint them.