3742 State Road 38 East
Lafayette, IN 47905
(765) 447-6012
WiFi Available
in Waiting Area
Serving Lafayette
Since 1983
ASE Certified Technicians
Perform All Repairs

Frequently Asked Questions

How to Extend the Life of Your Transmission
  • Check Your Transmission Fluid Regularly: Check your vehicle's owner manual to ensure you check it correctly. If your fluid is low, you have a leak!
  • Service Your Transmission Regularly: Transmissions should be serviced once a year or every 30,000 miles, whichever comes first. When it's time to have your transmission serviced, bring your vehicle into Guaranteed Transmission Service
  • Maintain External Coolers: One of the main causes of transmission failure is from excessive heat. Maintaining your external coolers will help extend the lifespan of your transmission!
  • Problems Checked Right Away: Having a problem checked right away may save you money in the long run. Transmission problems usually start out small and can escalate quickly to a more serious problem. If you are experiencing any problems with your transmission, bring your vehicle into Guaranteed Transmission Service right away!

What Can Decrease the Life of Your Transmission?
  • Driving Before the Engine is Warm: Especially during the winter months, it is important to let the fluid inside your transmission warm up to operating temperature (usually takes about 30 seconds).
  • Rocking Your Vehicle When Stuck: Doing this can make your vehicle's transmission heat up quickly and can damage internal parts.
  • Shifting Into Reverse While Your Vehicle is Still Moving Forward: Make sure you always stop completely before shifting into another gear to avoid grinding the gears in your transmission.
  • Racing: Doing so can severely damage the drivetrain.
  • Using an Ill-equipped Automotive Service Center to Repair Your Transmission: An under qualified technician may not be familiar with the most up-to-date repairs/machinery available or even how to diagnosis your problem correctly. When having transmission repairs done it is always important to seek help from repair centers who specialize in these problems. The expert technicians at Guaranteed Transmission Service use the latest technology and skills to address all of your transmission needs!

When Should You Have Your Vehicle Checked?
  • Shifting Problems: Problems can come as a delay in shifting (such as when it takes a few more seconds for your vehicle to shift into a new gear), an unexpected shift or a rough shift, such as a "clunking" feeling when it goes into gear.
  • Slipping While Driving: You may notice your vehicle is not accelerating normally. If you notice this problem with your vehicle, bring it into Guaranteed Transmission Service to service right away!
  • Vehicle Just Won't Go: This can be a sign of a major problem; your fluid maybe low, overheated, or an internal problem may be occurring.
  • Transmission Leak: If you notice red fluid in your driveway or your transmission's fluid is low, you may have a leak.
  • Check Engine Light is On: Sometimes this light indicates a transmission problem.
  • Unique Sounds: Sounds such as a hum, a low whine, rumbling, clunking, chattering, or squealing can indicate a transmission problem.

What Other Problems Look Like Transmission Problems?
  • Engine requires a tune-up
  • Electrical problems
  • Broken transmission or engine mount
  • Poor fuel system adjustment
  • Dirty fuel injectors or filter
  • Defective oxygen sensor
  • Computer sensor malfunction
  • Clogged catalytic converter

What is a transmission?

The transmission takes the power from the engine to the wheels by using gears. In other words, your car won't move without a transmission. What should I do so my transmission doesn't fail? Most importantly, you should have your transmission serviced every 30,000 miles. Check the fluid regularly; making sure it is full and red. Check your owner's manual for information about any specific transmission fluid your vehicle may require.


What is a torque converter?

The torque converter distributes the power from the engine to the transmission. The torque converter allows the car to remain stopped while the car is in gear.


How do I know if something is wrong with my transmission?

There are many assumptions of a failing transmission. A strange noise, a slipping transmission, no reverse or skipping gears. These can all be signs of a failing transmission.


Why does it cost so much to have my automatic transmission repaired?

It doesn't. At least, it doesn't when you understand what we need to do to repair your transmission. You see, repairing an automatic transmission is not as simple as changing the spark plugs or adjusting the carburetor. Today, automatic transmissions -- particularly those with front wheel drive technology or computerized systems -- are extremely complicated units. There are over 3,000 parts in today's average automatic transmission. And the parts for some late model imports can cost ten times as much as parts for older, larger cars. Just getting to the parts you need to see to find out what's wrong often calls for major surgery -- especially in smaller cars where the manufacturer has tightly packed different mechanical systems on top of and around each other.


Why can't you tell me what it's going to cost to fix my transmission over the phone or without seeing the vehicle first?

Aside from the fact that a consumer might easily miss a symptom a trained mechanic would see or hear when the vehicle is brought in, can you tell the difference between a rattle, buzz, grind, whine and a slip? And do you mean the same thing by those words that we do? Over 50% of the vehicles that customers bring in for transmission issues, don't need a transmission. The problem is somewhere else in the vehicle. The plain truth is, we simply can't be sure of what's wrong with your transmission until we take a look at the vehicle. Nobody can.


How do I know I am not getting ripped off?

There are several things you can do to protect yourself from dishonest transmission repair shops. First, ask your regular automotive mechanic to recommend a transmission shop. Then check with your local Better Business Bureau to see if that shop has had any complaints filed against it. But there's an even simpler way: check to make sure that your automatic transmission shop is a member of ATRA - the Automatic Transmission Rebuilders Association.


What is ATRA?

ATRA is a nonprofit organization for the automatic transmission repair industry. Its members comprise the world's oldest and largest network of independent transmission rebuilding firms, with over 2000 members in the U.S. and Canada alone.


How does ATRA take the worry out of my repair?

ATRA requires that its members employ experienced personnel whose skills have been tested and certified by the Association. To make sure they stay up to date on the latest automatic transmission models, ATRA also requires members to attend annual training seminars. When you take your car to an ATRA member's shop, you can rest assure that you are dealing with technicians who know what they are doing.

Shop Hours

Monday 8am - 5pm
Tuesday 8am - 6pm
Wednesday 8am - 5pm
Thursday 8am - 6pm
Friday 8am - 5pm

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