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Transmission Fluid Service at Marlboro Tire and Automotive

Tranmission Fluid Service

For optimum protection, You may want to change transmission fluid every 36,000 miles. Most owner's manuals have longer service intervals for automatic transmissions, but these intervals may be too long.
Why Transmission Fluid Wears Out
An automatic transmission creates a lot of internal heat through friction: the friction of the fluid churning inside the torque converter, friction created when the clutch plates engage, and the normal friction created by gears and bearings carrying their loads.
It doesn't take long for the automatic transmission fluid (ATF) to heat up once the vehicle is in motion. Normal driving will raise fluid temperatures to 175 degrees F., which is the usual temperature range at which most fluids are designed to operate. If fluid temperatures can be held to 175 degrees F., ATF will last almost indefinitely -- say up to 100,000 miles. But if the fluid temperature goes much higher, the life of the fluid begins to plummet. The problem is even normal driving can push fluid temperatures well beyond safe limits. And once that happens, the trouble begins.

At elevated operating temperatures, ATF oxidizes, turns brown and takes on a smell like burnt toast. As heat destroys the fluid's lubricating qualities and friction characteristics, varnish begins to form on internal parts (such as the valve body) which interferes with the operation of the transmission. If the temperature gets above 250 degrees F., rubber seals begin to harden, which leads to leaks and pressure losses. At higher temperatures the transmission begins to slip, which only aggravates overheating even more. Eventually the clutches burn out and the transmission fails. The only way to repair the damage now is with an overhaul or a replacement transmission -- a job which can easily run upwards of $2500 or more on a late model front-wheel drive car or minivan.
According to the Automatic Transmission Rebuilders Association, 90% of ALL transmission failures are caused by overheating. And most of these can be blamed on worn out fluid that should have been replaced.
As a rule of thumb, every 20 degree increase in operating temperature above 175 degrees F. cuts the life of the fluid in half! At 195 degrees F., for instance, fluid life is reduced to 50,000 miles. At 220 degrees, which is commonly encountered in many transmissions, the fluid is only good for about 25,000 miles.
Any number of things can push ATF temperatures beyond the system's ability to maintain safe limits: towing a trailer, mountain driving, driving at sustained high speeds during hot weather, stop-and-go driving in city traffic, "rocking" an automatic transmission from drive to reverse to free a tire from mud or snow, etc. Problems in the engine cooling system itself  will also diminish ATF cooling efficiency. In some cases, transmission overheating can even lead to engine coolant overheating!
Consider having your transmission fluid change more frequently than the recommendation in your owners manual. Regular transmision fluid changes could save you thousands of dollars.

Our Store Location

Tires & Auto Repair in Upper Marlboro, MD

Serving the Upper Marlboro, MD area as the premier retailer of Michelin®, BFGoodrich® and Uniroyal® tires, Marlboro Tire and Automotive has a tire selection to meet any budget or specification. Improving the auto repair and tire servicing experience is the mission of all staff at Marlboro Tire. Whether you are receiving an oil change or total tire replacement all services are treated with the utmost importance and care. ​

Contact Us

Marlboro Tire and Automotive Inc.
15204 Marlboro Pike 
Upper Marlboro, MD 20772

301-627-4900

EMAIL US
  • Home
  • Auto Repair Service
    • Reserve A Service Time
    • Be Car Car Aware
    • Car Repair Service
    • Air Filter
    • Belts
    • Battery Alternator and Starter
    • Brake Service
    • Cooling System Maintenance
    • Drive Lines
    • Electrical Systems
    • Engine Diagnostics
    • Exhaust
    • Fluids
    • Headlight Restoration
    • Heating and A/C
    • Monthly Checklist
    • Oil Change Service
    • Steering and Suspension
    • Preventative Maintenance
    • Transmission Fluid Service
    • Tire Balancing
    • Timing Belt Service
    • Tire Installation
    • Tire Rotation
    • TPMS Tire Pressure Monitoring System
    • Flat Repair
    • Automotive Tune-up
    • Wheel Alignment
    • Wiper Blades
  • Shop For New Tires
    • Search For Tires
    • How to Shop For Tires
    • Are Your Tires Safe ?
    • Winter Tire Choices
    • Promotions
  • Promotions
    • BFGoodrich Tires
    • Continental Tires
    • General Tires
    • Michelin Tires
  • Contact Us
    • Contact Us
    • Schedule an Appointment
    • Philosophy
  • Customer Tools
    • View Service Records
    • Learn About Auto Repair
    • Find the Right Tire
    • Schedule An Appointment
    • Get Personilized Advise
    • Read Our Reviews
  • About Us
    • All About Us
    • Customer Reviews
  • Used Tire
  • Videos
  • Flat tire information
  • Flooding Information
    • Why does Upper Marlboro Flood?
    • June 4th 2018 Flood Water in Upper Marlboro, Maryland
    • September 8th 2011 Flood Water levels in Upper Marlboro, Maryland
  • Employment
  • Recipes from the shop
  • Link Page
  • Radio