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Key symptoms of a damaged Dana Spicer transmission valve body
Release date:
2022-06-17 13:12
Source:
The transmission is a very important component of a car. Dana Spicer Once the transmission valve body is damaged, it can impair the vehicle’s normal operation. So, Dana Spicer Do you know the main symptoms of a damaged transmission valve body? Below, we’ll provide a detailed overview.
1. The impact of shifting into gear. When the vehicle transitions to D or R, it may experience a noticeable jolt, typically occurring after the odometer reading reaches 80,000–120,000 miles.
2. The impact forces on the landing gear during ascent and descent are concentrated primarily in the middle two-thirds of the gear, causing it to retract. There are slight signs of sliding, and the engine speed appears relatively high, yet it fails to increase in sync with the throttle, resulting in weak power when shifting into higher gears.
3. When the malfunction indicator lamp illuminates, the system contains electronic components such as an oil‑temperature sensor, a speed sensor, and a solenoid valve. Typically, when diagnostic data is abnormal, the control unit enters self‑diagnostic mode and signals the issue by activating the warning light, thereby triggering a gear‑lock condition that limits vehicle functionality to prevent further damage.
4. The exterior is equipped with a dedicated radiator and gear‑shift switch. In summer, when temperatures are high, promptly clean the cooling‑water tank and maintain the cooling‑system management to prevent overheating; the oil inside the coupler has already turned black.
Here, I’d like to point out that the transmission‑repair industry is rife with potential pitfalls—such as whether prices will be marked up twice, and whether post‑repair warranties cover the entire unit or only specific components. When you remove the oil pan, you’ll find the valve body module and the oil strainer; be sure to replace the strainer during service.
Different solenoid valves and valve passages can regulate oil pressure to enable gear shifts. The internal mechanical gears are typically consumable components; after reaching a certain mileage, they may exhibit abnormal noises or issues such as sluggish acceleration. Even when the transmission malfunctions, the problems usually affect only a few kilometers of driving and are generally minor—more often, the root cause lies in the valve system. If you encounter these symptoms, there’s no need to panic; have the vehicle inspected promptly at a professional repair shop to prevent unnecessary damage.
Beijing Yihaowei Power Equipment Co., Ltd. boasts a dedicated team that delivers timely, high‑value services to customers across various industries. The company’s primary service offerings include:
1. Technical alignment of DANA’s off-highway powertrain systems and DANA‑BREVINI products, product application planning, continuous supply of supporting components, and product upgrades and retrofits.
2. Technical alignment, product sales, and after-sales service for DANA’s TM4 products. The company has currently obtained after-sales service qualifications in the Beijing region and is providing services to an increasing number of electric‑drive vehicles in Beijing.
3. Overhaul and retrofitting of complete vehicles, providing specialized services for trackless (rubber‑tired) equipment used in mining operations.
Our services will serve as an effective complement to your business development and can certainly help you reduce costs. If you have… Dana Spicer For transmission issues, please consult us.
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