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automatic transmission

Hello and thank you for contacting YourMechanic. First check all of the fuses on the fuse box in the cab for any of them that could be blown out. Sometimes fuses can pop when hooking up a fully charged battery...

Hello, there are a variety of causes for the power window regulator (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-window-motor-regulator-assembly) to fail. The most likely would be the regulator, switch, and regulator motor. Given that these have been replaced it should take care of the issue. Humidity...

Your car is only three years old and so should not need transmission fluid. If the level was low, you should check to be sure there is not a leak. It's very easy to overfill the transmission so it would...

Just like engine oil, it’s important to have the right type of transmission fluid in your car. Adding the wrong type can be very bad. For automatic transmissions, Honda recommends using Honda ATF DW-1. For manual transmissions, Honda recommends manual...

Hello. Thanks for your question about your Check Engine Light (CEL) illuminating for what appears to be a transmission issue. There are both electronic and hydraulic controls in your transmission that control shifting. The electronic controls use sensor inputs and...

The transmission internal clutches may be worn out or the fluid is very low causing the issue. Check fluids first and if level is low then locate leak and fill system to see if it corrects issue or the transmission...

Of course, be sure the transmission fluid level is correct, the fluid is not contaminated and the filter is not clogged. A fault like the one you are describing is likely to be due to a hydraulic control issue. If...

If you are having problems with your transmission, assuming that your vehicle is equipped with a dipstick to check the fluid level, first make sure the fluid level is correct. Incorrect fluid level can cause transmission problems. Assuming normal service...

This may be a result of low transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service) or potentially a faulty transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various sensors...

Hello. From what you are describing it seems as though the transmission fluid has leaked out. There is a rubber hose that conveys transmission fluid to the radiator for cooling (through a sealed heat exchanger). That hose could have leaked....

Hello and thank you for your question. It seems to be the transmission that is causing the engine to stall out when you are putting the vehicle into drive. The transmission could have a converter clutch lock up issue causing...

You cannot use the engine and transmission combination in your vehicle. Your vehicle is not AWD and the two computer systems are not the same. The two have different wire harnesses as well as different body designs. I recommend not...

The oil light will come on if the oil pressure drops too low for adequate lubrication of moving parts in the engine. If the light does come on, you should quickly shut off the engine, but only once you are...

Hi there. From the description you have given, I believe you are stating that your vehicle has no power, and you are only able get to 35-50 mph and nothing over 1500 rpm. You also stated vehicle runs great, which...

What a technician would do is first check the level and condition of the transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service) on your 2001 Audi A8 Quattro. Next, they would use a Volkswagen-compatable scan tool which will allow the Transmission Control Module (TCM) to...

A diagnostic is only meaningful if there is a specific identification of a part or parts that have failed, are worn out, defective or the like. The bearings in the differential that you refer to are not visible for inspection,...

Either the transmission is slipping harshly or something broke inside the transmission making the gear drives not work properly. Make sure that the transmission fluid is full and red in color. If the fluid is full and red in color,...

You may have more than a transmission filter problem. You should have a transmission mechanic like one from YourMechanic come and check the vehicle for the problem and isolate the causes of the loss of vehicle speed. It may be...

An appropriate diagnostic to resolve your issue is a failure to shift inspection (https://www.yourmechanic.com/services/not-able-to-change-gears-inspection). Of course, first check your transmission's fluid level and condition (https://www.yourmechanic.com/services/transmission-fluid-service). A really low fluid level can cause shift difficulties. Typically, if a transmission fails to...

Hello there, The Chevy Aveo most certainly does come with a 4 speed automatic transmission. The 5th gear you may be feeling is the overdrive function of the 4th gear. 18 mpg seems quite low for this size of vehicle...