Where is the engine number located on a Citroen C5?

2 Answers
LaAnthony
07/28/25 8:35pm
Citroen C5 engine number is located on the engine cylinder block, at the junction with the gearbox. It is generally a combination of 7 to 8 digits and letters. In addition to the above method, the engine number can also be viewed through the following 4 ways: The vehicle license shows the engine number, usually located on the second last line; The motor vehicle registration certificate will indicate the engine number; The purchase invoice will indicate the engine number; The vehicle purchase tax payment certificate will indicate the engine number. It should be noted that the engine number is not equal to the engine model. The engine model refers to the specification and size of the engine in the manufacturer, and the engine model can be the same. The engine number refers to the production number of the engine. Each engine can only use one engine number and each engine's number is different.
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DiRyan
08/12/25 1:20am
I remember the first time I helped my friend locate the engine number of a Citroën C5, it took me quite a while to find the spot. Generally, it's inside the engine compartment, and the exact location can be seen once you pop the hood. For older C5 models, after lifting the hood, the engine is right there in front of you. The number is usually engraved on the engine block itself, near the front or side of the cylinder block, sometimes on a metal tag or in a groove on the cylinder block surface. It's quite small, so you'll need to bend down for a closer look. For newer models, like the turbocharged versions, the location might be slightly different. When searching, wear gloves to avoid burns—the engine can be very hot right after shutting it off, so it's best to check when the engine is cold. Bringing a flashlight helps make it clearer; the number is like a string of alphanumeric characters that's easy to overlook if you're not paying attention. Checking this is crucial, especially for repairs or registration transfers—getting it wrong can cause a lot of trouble. I recommend checking your owner's manual first; it likely has a diagram showing the location to save you time. If you still can't find it, asking a professional mechanic is a good idea.
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