What are the common problems with the JAC S5?

[McColeman]

JAC Refine S5 has several common issues, including cold start engine problems, loud cabin noise during idle; color discrepancies on the body and paint peeling; excessive play in the steering wheel and quality issues with the steering column; oil leaks from the engine, transmission, and half-shaft oil seals. Below is an introduction to the Refine S5: Exterior: The stylish design of the JAC Refine S5 is one of its highlights. As an urban SUV, the Refine S5 features smooth body lines, drawing inspiration from elements of the Hyundai ix35 but with redesigned details, such as new front and rear light clusters and a redesigned grille. Powertrain: Initially, the Refine S5 will offer models with 1.8T and 2.0L engines. The 1.8T engine delivers a maximum power of 163 horsepower, while the 2.0T engine produces 177 horsepower, paired with a 6-speed manual transmission. In the future, the vehicle is expected to introduce additional powertrain combinations, including a 1.5T engine with a 6-speed manual transmission and a 1.5T engine with a DCT dual-clutch transmission.

[AlanLynn]

I bought a JAC S5 from my friend and have been driving it for three years, but it has quite a few common issues. The engine shakes violently during cold starts, making the whole car tremble, especially on winter mornings. The automatic transmission often jerks at low speeds, making acceleration in city traffic unsteady—I’ve almost caused rear-end collisions several times. Body rust is another problem; door seams and the chassis rust easily, and since I live in the rainy south, I have to apply anti-rust paint regularly. The electronics are unreliable too—the infotainment screen occasionally freezes, and the reverse camera works intermittently. The A/C cools down too slowly, making summer highway drives uncomfortably hot. I’d advise new owners to prioritize maintenance, especially not skimping on transmission fluid. Overall, it’s a budget-friendly car, but it requires diligent upkeep—otherwise, daily driving can be a hassle.

[TaliaMarie]

As a car enthusiast, I enjoy studying common vehicle malfunctions. The typical issues with the JAC S5 mainly manifest in the powertrain: the engine often suffers from unstable idling, and sensor errors frequently cause power interruptions; the 6-speed automatic transmission has programming flaws, resulting in sluggish gear shifts with noticeable jerks, making highway driving laborious; the body's anti-corrosion coating is thin, leading to rust starting from the chassis; the electronic control unit has poor compatibility, causing dashboard displays to become chaotic or fail. I recommend manually adjusting the ECU settings or switching to high-grade engine oil to mitigate these issues. Regularly cleaning the intake system can also prevent carbon buildup. While these problems are common, proper maintenance can keep the car running smoothly—don't wait until a major overhaul is needed to take action.

[VonRiver]

I've been driving the S5 for several years, and as I've gotten older, I've become more concerned about safety. Some common issues make me uneasy: the suspension system makes strange noises, creaking over bumps, making it feel unstable; the air conditioning doesn't cool well, taking a long time to get comfortable in summer; the engine occasionally stalls for no reason and has trouble starting; the body sealing isn't tight, allowing rainwater to seep into door gaps. For long-time owners like us, I recommend regular checks on the shock absorbers and replacing the air conditioning filters. Safe driving is the top priority—while these minor issues are annoying, they can be prevented in advance.

[VonErin]

As a young driver, I find the common issues with the S5 really affect the experience: frequent electronic system failures, like the touchscreen being slow and often freezing, slow map navigation loading; Bluetooth music keeps disconnecting; the automatic transmission feels clunky with noticeable jerks during acceleration; the body paint is thin, showing the base and rusting easily with minor scratches. The throttle response isn't sharp either, making overtaking difficult. I suggest upgrading the infotainment software or retrofitting CarPlay to enhance entertainment and bring back the driving fun.

[SanCody]

From car enthusiasts' discussions, common issues with the JAC S5 are widespread: loud engine noise and high fuel consumption; rough and jerky automatic transmission shifting; rapid body rusting; frequent failures of electronic components like displays and sensors; and numerous suspension noises affecting comfort. These persistent problems make daily use frustrating. It's recommended to opt for higher trim models or extended warranties when purchasing, and regularly lubricate joint areas to maintain the car's condition.