Reasons for the Ticking Sound in Mistra's Engine

[VonNaomi]

Reasons for the ticking sound in Mistra's engine include: 1. Issues with the engine oil, such as insufficient oil or impurities in the oil, which require timely replacement; 2. Wear of the valve tappet, causing excessive clearance between the piston and cylinder wall, low oil pressure, or poor lubrication of the cylinder wall, which can also lead to the ticking sound. It is recommended to visit a 4S shop for replacement. The Mistra is a 4-door, 5-seater sedan with overall dimensions of 4710mm in length, 1820mm in width, and 1470mm in height, and a wheelbase of 2770mm. It features a MacPherson independent front suspension and a multi-link independent rear suspension. The engine options include 1.6t and 1.8t models.

[CaydenRose]

I've been driving the Mistra for three years and encountered the engine rattling issue last winter. At first, I thought it was due to the cold weather, but the sound gradually became louder. After inspection at the repair shop, it turned out to be a chain issue. The mechanic mentioned that the Mistra's chain design is somewhat long, and after driving 70,000-80,000 kilometers, it's prone to stretching, especially during cold starts when it becomes loose and rattles. Additionally, the valve lifters might wear out or lack oil. If the engine oil isn't changed on time or if oil with insufficient viscosity is used, the lifters won't get enough oil, leading to dry friction and noise. Another minor issue could be the carbon canister solenoid valve, which normally produces a slight rattling sound, but if the noise is particularly loud, the valve body might be damaged. It's advisable to check for trouble codes early. Replacing the entire chain assembly might cost around a thousand yuan, and delaying repairs could risk valve damage.

[MacSebastian]

Over ten years of car repair experience, I've frequently encountered Elantra owners complaining about rattling noises. The most common issue is problems with the chain system—either a failed tensioner or worn guides causing chain slack, making the engine sound like a jingling bell. The valvetrain is also a prime suspect, especially when there's insufficient oil supply in the hydraulic lifters, producing rhythmic tapping sounds. Some cars' ticking is just normal injector noise from solenoid operation. Oil quality matters—too-thin oil can't maintain proper lifter film pressure, leading to noise. Best practice: bring a car-savvy friend to listen during a cold start. If the noise speeds up with RPM, it's likely a mechanical component issue.

[CamilleLee]

My dad's old Mistra has been running for ten years, and since last year the engine has been making annoying rattling noises all day. After inspection, it was found that the valve clearance had increased. The mechanic said this is common for older cars, caused by severe wear on the valve lifters leading to clearance noise. The timing chain has also stretched a bit, making a particularly loud clattering noise during cold starts. Actually, regular maintenance can delay these issues, but the old man often forgets to change the engine oil, resulting in sludge clogging the lifter oil passages. Another tip: if the rattling continues for a few seconds after turning off the engine, it's mostly due to the metal sound of the exhaust pipe expanding and contracting from heat, which can be ignored. For an old car, these noises can be temporarily ignored as long as they don't worsen, but if there's a noticeable loss of power during acceleration, it's time for repairs.

[DelDaniel]

The engine noise issue in the Mistra requires analysis based on driving habits. If you frequently use the car for short urban commutes, carbon deposits can accumulate behind the throttle valve, creating hard deposits that prevent proper valve closure, resulting in a ticking sound. Using low-quality gasoline can also clog fuel injectors, causing vibrations and noise. A characteristic of chain noise is that it's usually more noticeable when the engine is cold and diminishes as it warms up. If the noise persists after the engine has warmed up, it's a cause for concern. During routine maintenance, always check the oil dipstick level – insufficient oil can lead to noisy hydraulic valve lifters. Last week, a customer experienced ticking noises right after using cheap oil; switching back to 5W-30 full synthetic immediately silenced the engine, proving the importance of oil selection.