Your transmission is one of the most complex and expensive components in your vehicle. Whether you drive an automatic, manual, or CVT-equipped car, the transmission plays a crucial role in keeping the engine and wheels in sync. However, like any system that deals with heat, pressure, and constant movement, it requires regular maintenance to remain in working condition.
The type and frequency of transmission service your car needs depends on several factors, including the make and model, your driving habits, and the type of fluid your vehicle uses. Ignoring this service can lead to poor shifting, overheating, and, ultimately, transmission failure.
Why Transmission Fluid Matters So Much
Just like motor oil protects your engine, transmission fluid keeps the internal parts of your transmission cool and lubricated. It also helps transmit power, maintain hydraulic pressure, and clean debris from moving parts. Over time, this fluid breaks down due to heat and collects contaminants that can cause wear and sticking valves.
If the fluid gets too dirty or runs low, the transmission may slip, shift harshly, or overheat. And unlike oil, most transmission fluid issues occur with little warning before serious damage is done.
Types of Transmission Services
There are several different types of transmission maintenance services, and which one you need depends on the condition of your fluid and your car’s mileage.
Transmission Fluid Change
This service involves draining and replacing a portion of the fluid, usually around half, depending on the design of the transmission pan. It’s often done during routine maintenance intervals and is a good starting point if the fluid is still relatively clean.
Transmission Fluid Flush
A flush replaces nearly all of the old fluid with fresh fluid. This is usually recommended if the fluid is dirty, discolored, or smells burnt. It’s a more comprehensive service, but it should be performed carefully to avoid dislodging buildup in older transmissions.
Filter Replacement
Some transmissions include a serviceable filter that catches debris. This should be replaced along with the fluid to maintain proper flow and performance.
Pan Gasket Replacement
If the transmission pan is removed during service, the gasket may be replaced to prevent leaks.
Service Intervals Depend on the Vehicle
There’s no one-size-fits-all answer for how often to service a transmission. Some manufacturers recommend fluid changes as frequently as every 30,000 miles, while others claim the fluid is “lifetime” and doesn’t need to be replaced under normal conditions. In reality, most vehicles benefit from fluid service around every 50,000 to 60,000 miles, especially if you drive in hot weather, heavy traffic, or tow regularly.
If your vehicle has high mileage and has never had a transmission service, a mechanic may inspect the fluid condition before recommending a flush. Sometimes, doing a partial fluid change is safer than a full flush in older or neglected transmissions.
Signs You Might Need Transmission Service Sooner
Even if you’re not at the mileage marker, there are signs your car may be due for a check:
- Delayed or harsh shifting
- Slipping gears
- Strange noises during gear changes
- Transmission fluid leaking or dark in color
- A burning smell after driving
If you notice any of these symptoms, it’s important to schedule service quickly. Transmission problems only worsen and become more expensive the longer they’re ignored.
Routine Service Prevents Expensive Repairs
Transmissions are expensive to rebuild or replace, often costing several thousand dollars. However, most issues that lead to failure, such as overheating, contaminated fluid, or low pressure, can be prevented with basic maintenance. Getting fluid changed on time, checking for leaks, and having the transmission inspected during other services go a long way in extending its life.
For drivers who plan to keep their vehicle for the long haul, regular transmission service is one of the smartest investments you can make.
Schedule Your Next Service at NC Complete Auto Care in Cary, NC
Whether you’re due for a fluid change or you’re noticing shifting issues, our team is here to help. We’ll inspect your transmission, check fluid condition, and recommend the right service based on your vehicle’s needs and mileage.
Call
NC Complete Auto Care in Cary, NC, today to schedule an expert transmission service and keep your vehicle shifting smoothly.
