The transmission modulator valve helps control every shift you command, and it dispenses the right amount of fluids to take care of the transmission system. This little valve is necessary for the transmission to function properly, which you can call your transmission's command center. Sadly, this compartment--like other parts--can fail, and you should know a few symptoms and how to fix it if necessary.
Tell Signs That You Have A Bad Modulator
The following are a few signs that your transmission modulator valve has gone bad:
--A faulty valve might alter the level of fluids in your transmission system. This could cause gear damage, which could lead to metal debris within your system. Gear damage and debris can further damage your transmission and cause an imbalance in pressure. The transmission needs specific pressure to help you shift smoothly, so you might feel shifting delays or hard shifting.
--The gears can stick or completely fail. This happens because your modular valve is simply not giving your transmission system enough lubrication. Your transmission might also overheat due to the improper lubrication.
--You might see blue smoke from the exhaust pipe when you are in park and the vehicle is warmed up. This occurs because the valve is allowing transmission fluid to run up towards the engine. This burns the fluid, causing blue-like smoke.
You can talk to your auto care specialist to help confirm your suspicions regarding some of these symptoms.
Changing Your Own Transmission Modulator Valve
You will need the following:
As you can see, changing the modulator is not too bad and could save you some money. Remember that you can ask an auto care specialist, like the ones at Knoll Automotive Services, to take care of this issue if you feel uncomfortable with any of the aforementioned steps.
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