When the time comes that you need to take your car in for repair, it helps if you have at least a minimal understanding of the various parts of your engine and other inner workings. Otherwise, you make an easy target for unscrupulous technicians.
One of the most costly parts of an automobile to have repaired is the transmission. Sometimes though, the repair cost is only so high, because a shady mechanic has informed a car owner that something needs to be fixed, that really doesn’t. If you have just a bit of basic knowledge about your transmission, then you stand a better chance of preventing yourself from being scammed by a dishonest auto technician.
Crucial Components of the Automatic Transmission.
-> Gears
• Planetary gears- this set consist of the sun gear, a ring gear, and at least two planet gears. They all operate together and spin on pinions, (shafts).
-> Seals and Gaskets
• This is what prevents the oil in the transmission from leaking out into the parts of the engine.
-> Torque Converter
• In an automatic transmission, this is what allows the car to stop while in gear, like a clutch.
-> Bell Housing
• When you look under your hood, you should see a cone shaped metal case; this is what holds the transmission.
-> Transmission Fluid
• Without fluid, none of the transmission components will work very well, or not at all.
-> Filter
• The fluid has to be kept clean, and the filter is what does this. The fluid flows through the filter, and the filter catches all the little particles of dirt.
-> Hydraulic System
• Pretty much runs the transmission, by sending the fluid sent by the oil pump through the valve body, which controls the clutches and the bands, which control the planetary gear sets.
-> Computer
• Newer vehicles have electrical solenoids, which enable the oil flow to reach the component needed at the appropriate time. The computer controls the shift points, which direct the solenoids.
-> Throttle cable
-> Vacuum Modulator
-> Governor
• Each of these components monitor speed and throttle position, and determine when shifting is needed.
-> Oil pump
• The oil pump in the transmission creates and maintains the pressure needed to power the transmission.
-> Valve body
• Basically, this is the control center of an automatic transmission, the hydraulic fluid is directed through the valve body, without it, the engine could not function.
Do Not Let The Repair Technician Intimidate You.
Now that you know what the basic parts of your automatic transmission is called, and how each one contributes to the workings of the transmission, you have a small advantage over less informed car owners. When the car starts acting odd, or making funny noises, take it in to be fixed, but do not allow yourself to become a victim of auto repair fraud. Ask the mechanic to explain what he needs to fix, and why he believes it needs to replaced or repaired, and you have the right to know how he intends to go about the process. You will feel less intimidated by the technical jargon, now that you know what the mechanic is talking about.
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Watch the video related to transmission fluid
Tips for tightening transmission pan. Learn how to properly torque a transmission fluid pan when changing transmission fluid in thisfree auto maintenance video from a car repair professional. Expert: Nathan McCullough Bio: Nathan McCullough graduated from Nashville Auto-Diesel College with a GPA of 3.5 and received their Craftsmanship Award and Honor Seal. Filmmaker: Robert Rogers
Help answer the question about transmission fluid
Transmission fluid leaks only when engine is running?My transmission fluid seems to leak only when the engine is running. I now i have overfilled it so do you think if i drain some of it out evrything will ok?
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April 1st, 2009 at 11:16 am
so you don’t clue the pan on to the transmission?
If I understand well, you only use clue between the kirk and the pan?
April 1st, 2009 at 11:37 am
as a mechanic, i would say no, but ti is more than likely the transmission fluid was also down to nothing, didn't you have any warning lights come on, a general rule of thumb is check your auto fluid,engine oil,brake fluid, coolant and air once a week if not then definitely at 2 week intervals, for your own pockets sake.happy motoring.