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JAC S5

The mid-size crossover, assembled locally in Iran and Brazil among other markets and the model most people mean by the badge. The engine decides the diagnosis: the naturally aspirated 2.0 is a Mitsubishi 4G-family design built under licence, so Mitsubishi documentation describes it — valve clearances, timing balance shafts and sensor locations all transfer. The 1.5 turbo that replaced it is JAC's own and that cross-reference stops working, which is exactly the kind of split that sends a diagnosis to the wrong manual if the engine is not identified first. The recurring items are ignition coils, the electronic throttle body, and on turbo cars the wastegate actuator.

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JAC S5
Navigator84 · CC BY-SA 3.0 (external)

Generations

  • First generation 2013–present

    The 2.0 is a licensed Mitsubishi 4G and its documentation applies; the 1.5 turbo is JAC's own and it does not.

    Body styles
    SUV
    Platform
    JAC S5
    Engines
    • 2.0 four-cylinder — petrol · Mitsubishi 4G63-derived
    • 1.5 turbo four-cylinder — petrol
    • 2.0 turbo four-cylinder — petrol
    • 1.5 — petrol
    Transmissions
    5-speed manual · 6-speed manual · 6-speed dual-clutch · CVT
    Drivetrain
    Front-wheel drive

Information, not instruction

CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.

Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.

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