Is the Transmission of the Sylphy Really Prone to Failure?
3 Answers
The transmission of the Sylphy is prone to damage for the following reasons: 1. Structural Composition: It consists of three parts—the primary pulley, the secondary pulley, and the steel belt. 2. Susceptibility of the Steel Belt: When the steel belt wears out due to prolonged use, it can slip, manifesting as the car not moving when accelerating. Wear on the steel belt generates metal debris, which exacerbates wear and can clog oil passages and solenoid valves. Information about the transmission is as follows: 1. Transmission: Also known as a gearbox, it is an automotive component used to alter the speed and torque from the engine and can fix or change the gear ratio between the output and input shafts. 2. Working Principle: A manual transmission mainly consists of gears and shafts, achieving speed and torque changes through different gear combinations. An automatic transmission (AT), on the other hand, is composed of a torque converter, planetary gears, and a hydraulic control system, achieving speed and torque changes through hydraulic transmission and gear combinations.
I've driven a Nissan Sylphy for seven years without major transmission issues. For daily commuting, I gently press the accelerator and never accelerate abruptly. I change the CVT fluid every 40,000 kilometers, spending a few hundred yuan to maintain lubrication. I've heard some older models had slipping or noise problems, but newer versions have improved significantly. A friend of mine had his Sylphy's transmission fail—it suddenly lost power while driving because he didn't maintain the fluid on time, leading to contamination. So the key is maintenance, not the car itself being prone to failure. Don't skip fluid changes, and it drives smoothly, being both worry-free and fuel-efficient. Overall, the Sylphy's transmission isn't as bad as some online claims—it depends on how you use and maintain it.
As a seasoned mechanic with over a decade of experience, I've encountered numerous transmission failures in the Sylphy, especially the CVT type. Common issues include chain wear leading to slippage and jamming, causing jerking during acceleration. Customers often come in complaining about inability to gain speed, and upon inspection, we find oil pan leaks or valve body blockages. This isn't an isolated case - Nissan's system has design weaknesses making it susceptible to high temperatures. I advise owners not to wait until problems become severe. Check fluids every 30,000 km; a single maintenance costs less than 1,000 yuan. When driving, avoid aggressive acceleration during prolonged traffic jams. Having repaired dozens of these, I can say failure probability isn't extremely high, but once problems occur, repair costs can exceed 10,000 yuan, with a new transmission being even more expensive. Early maintenance saves big money.
