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Transmissions Repair
Services

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  We are Specialists in Automatic, Manual, Front Wheel Drive, Overdrive and 4x4's  

Basic Fluid Exchange
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Manual Transmission Fluid Exchange
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Automatic Fluid Exchange
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Automatic Fluid Exchange Plus Filter
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Transmission
Body
Valves

4 Alarming Signs Your Transmission is Failing

1.- Your transmission does not respond properly (is slipping).

If your car feels like trying to change gears on it’s own and you can’t handle it, that’s a typical sign of a serious transmission issue.

2.- Shifting is difficult.

This situation of a failing transmission characteristic, and it is easily noticed. If your transmission is having a rough time shifting gears, or refusing to do so, you’ve got a failing transmission and it’s time to schedule an appointment with Auto Team Service for its inspection.

3.- Shifting is delayed.

Another common and easily noticed symptom of a failing transmission is delayed shifting. When you shift your car from park to drive is there a delay? If so, you’ve just noticed one of the 4 signs of a failing transmission and it’s time to take your vehicle to Auto Team Service's expert for a revision and diagnosis.

 

4.- Transmission fluid is leaking.

First and foremost, your transmission fluid should never leak so if you notice it or their is an oily wet spot underneath your vehicle, it’s time for some vehicle checking. The leak should be repaired and sealed before it causes any more serious and costly problems.

Watch Out! Moment

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Key Parts of an Automatic Transmission (and What Each Does)

Torque Converter
Automatic transmissions have a torque converter. This replaces the clutch and performs the same function. Your transmission can’t shift gears while it’s still engaged to the engine; otherwise, it would snap gears. Your torque converter allows your engine to stay running while disconnecting from the transmission.

Oil Pump

The oil pump of an automatic transmission works just like any other oil pump in your vehicle. Delivers transmission fluid from the transmission pan to the valve body.

It’s not a much complicated part of the system, but it is an integral part of the mechanism and is one of the few components in a transmission that will occasionally fail.

Clutch Packs

An automatic transmission is a little more complicated than a manual one. Instead of a manual shifter, to get the desired shift, your transmission uses a clutch pack.

A clutch has plates compressed together – when the valve body sends oil pressure to it, it locks a certain number of clutch packs together, giving you your desired output ratio. 

Output Shafts

Your transmission’s output shaft is what drives the drive shaft. It’s typically not the most complicated component. On one end, you have a gear that connects to the transmission, and on the other end, you have a splined shaft that connects to the driveshaft via a yoke-type universal joint.

Break Band

Brake bands do one thing – to temporarily hold planetary gears. It allows the engine RPM to get in line with gear ratio before releasing, which allows for smoother shifting.

Brake bands work much like drum brakes, with a piston squeezing the band around a drum. The harder the piston pushes, the more braking power is applied.

Oil Pan

Just like your engine has an oil pan, so does your transmission. It does exactly the same: it holds the excess transmission oil for the oil pump to be pulled from when needed. It typically has a filter attached, either internally or externally. It’s one of the most basic components of your transmission. The gaskets around the oil pan often leak transmission fluid and need to be replaced.

Valve Body

Your engine has an engine control unit (ECU) and your automatic transmission has a valve body. This valve directs the pressure from the pump to all the transmission components. From torque converter to the clutch packs, nothing gets transmission fluid without the valve body telling it where to go.

The transmission is controlled by sensors, which work  with the transmission control module (TCM) to control where all the fluids are sent. 

Planetary Gear Set

Unlike a manual transmission, which has a set of multiple gears that make up the gearbox, an automatic transmission has a one or more (usually more) planetary gear sets.

Planetary gears have three sets of gears. The main gear is the sun gear, and it is in the center of the planetary carrier. The second set is the planetary gears. There are typically three or more of these gears and the mesh between the sun gear and the ring gear.