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14 Common Reasons for Poor Gas Mileage
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TRANSMISSION SERVICES & REPAIR
Help protect your engine, improve shifting, and extend your vehicle’s life with expert care for your transmission system at Firestone Complete Auto Care.
WHAT IS THE TRANSMISSION?
Your transmission helps transfer power from the engine to the wheels—and it needs clean, cool fluid to keep shifting smoothly. In automatic vehicles, transmission fluid also creates the hydraulic pressure needed to change gears.
Regular inspections and fluid changes are key to keeping your transmission in good shape. Many manufacturers recommend scheduled transmission maintenance, so check your owner’s manual–or ask one of our experts–and don’t wait until there’s a problem.
Transmission Fluid Exchange Overview
- Summary: Replaces degraded transmission fluid (ATF, CVT, or DSG) to protect components from wear and prolong transmission life. Many drivers search for a “transmission flush,” but we follow your OEM procedure—typically a drain & fill or controlled fluid exchange, not a high-pressure flush. This ensures proper lubrication without risking internal damage.
- What's Included: Comprehensive fluid exchange, inspection of all external seals, and a post-service road test.
- Service Time: We’ll confirm the work after inspection; fluid type/condition may require added services and your approval.
- Service Interval: Refer to your vehicle's manufacturer's mileage recommendation as precisely specified in your vehicle's manual.
Transmission Warning Signs
Is it time for a transmission inspection or maintenance service appointment? Look for these signs of transmission trouble:
- Delays between shifting gears`
- Car shaking/shuddering at any speed
- Fluid is visibly leaking from the vehicle
- Burning smell from under the hood
- Transmission slipping, grinding, or jumping during acceleration
- Transmission fluid on the dipstick appears contaminated
- The manual transmission gear shifter is physically hard to move, or won't go into gear
If you notice any of these symptoms or you've reached the manufacturer-recommended mileage point for a transmission service appointment, schedule a transmission service appointment at your nearest Firestone Complete Auto Care.
Safety Note: If you experience slipping, a complete loss of drive, or loud grinding, do not operate the vehicle. Immediate towing for professional diagnostics is crucial to prevent catastrophic and costly damage.
Pro Tip: Always use the exact OEM-specified transmission fluid for your vehicle; using incorrect fluids can severely compromise performance and longevity.
VEHICLE TRANSMISSION SERVICES
When you get your transmission serviced at your local Firestone Complete Auto Care, you have a few options to fit your needs. All fluid exchanges are made according to the fluid specifications recommended by your vehicle manufacturer. We offer the following transmission services:
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HOW LONG DOES TRANSMISSION FLUID LAST?
Transmission service intervals vary between vehicle models and transmission types. Check your owner’s manual for an exact recommendation, or contact your nearest Firestone Complete Auto Care for maintenance service tips. Our expert technicians know your vehicle manufacturer's recommended maintenance schedule, so you can get the right service for your vehicle.
Following your manufacturer-recommended service intervals for transmission fluid is important in helping keep transmission fluid clean and free of debris. Over time, the additives in transmission fluid that lubricate, cool, and clean the gears eventually wear out. When this happens, debris (like tiny metallic compounds shed from worn gears) can wreak havoc on transmission parts.
Learn more about your transmission
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