How to Do Automatic Transmission Diagnosis?

How to Do Automatic Transmission Diagnosis?
September 5, 2017 Harry Caesar
In Business

Well, in your vehicle, there is a transmission system and when automatic transmission malfunctions, it exhibits certain symptoms. Some of the essential parts of transmission make your automatic transmission system work seamlessly and perform better. However, if there is any problem in the transmission system, it will cause major trouble.

Transmission Gear

Here Are the Major Components of Automatic Transmission for Diagnosis:

#1. Fluid: Transmission fluid is the major component of an automatic transmission. Mostly, automobile comprises of reddish brownish transmission fluid, if there is leakage, you will immediately identify with its color.

#2. Bell Housing: Underneath your car, this is the cone shaped metal case. It is on the side of the engine stuck under the hood of the front-wheel-drive car and behind the engine in the rear-wheel-drive car.

#3. Filter: The filter catches gunk in the fluid, for the smooth shifting of gears at right time, it is necessary that fluid is clean. Thus, filter keeps fluid fresh and free from any particles.

#4. Gears: The automatic transmission has gears, even when you are not shifting them. There are main gears and planetary gears and one need all of them to drive effortlessly.

Now, you will be able to figure out automatic transmission diagnosis. You can now understand what your mechanic explains to you about engine troubles.

Automatic Transmission Diagnosis

Troubles That Occur When These Parts Face Any Issue in Transmission System

Some of The Major Troubles That Automatic Transmission Faces Are Following:

  • Your vehicle is shaking at any speed
  • Trouble in transmission or transmission grinding, slipping and jumping while acceleration during shifting gears
  • Transmission slipping, grinding or jumping during acceleration when the car is shifting gears
  • Burning smell coming from under hood
  • Leaking fluid from the car
  • Often, you hear whistling, screeching, and clunking sounds from the car
  • Foul smelling, thick or cloudy transmission fluid on dipstick

Transmission Service

What to diagnose in Automatic Transmission?

#1. Check Fluid Level: For car owners, it is important to check the fluid level twice a year, as low level causes your engine to shift poorly and could further damage the transmission leading costly repair. If your vehicle loses fluid on a regular basis, then there might be a leak.

#2. Check Filter Clogging: Filter clogging will eventually lead to bigger problems, as it plays a vital role in the performance of the transmission. Replace the filter before requiring a rebuild or replacement as these require hefty repair cost.

#3. Check Transmission Leakage: Checking transmission leaks is not as difficult as it seems. However, it may be a closed system, but the leaks can be easily checked with the help of a reddish transmission fluid.

Places to check transmission leak are:

  • Filler tube base
  • Between engine and transmission
  • Underneath transmission in drain hole
  • Speed sensor mounting point
  • Selector shaft i.e. rod connecting gear shift to transmission
  • Radiator. Cars with transmission coolers may have problems with transmission fluid leaking into the radiator fluid, you can detect the leakage by looking for liquid below or around your vehicle.

The transmission problem requires experts and specialized tools and equipment to fix the problem. Hence, do not try to fix it on your own, if you do not hold that much of expertise and have tools to manage such issues.

An expert mechanic can inspect and diagnose the automatic transmission. They will rebuild it, replace it or repair it. Moreover, if you notice these symptoms early, you can do away with the expensive repairs. Besides, regular maintenance can save you from big rebuilds and hefty repair costs. Therefore, take it to experts timely for automatic transmission diagnosis, so that you may not face any problem in the performance and mileage or your car.

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