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automatic transmission

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Symptoms of a Bad or Failing Kickdown Cable
If you feel that your car's transmission is shifting roughly, too fast, or too slow, you may need to replace the kickdown cable.
How to Decide Between Manual and Automatic Transmissions
There are a lot of decisions that have to be made when buying a new car. Everything from choosing a make, model, and trim level to deciding if upgrading the stereo...
How an Automatic Transmission Works
An automatic transmission allows a vehicle engine to operate within a narrow speed range, just like a manual transmission does. As the engine achieves higher degrees of torque (torque is the rotational power of...
Does An Automatic Transmission Have a Clutch?
Most of the time we think of a clutch in the context of a manual transmission. An automatic transmission does have a clutch system, but usually only a mechanic would refer to...
Symptoms of a Bad or Failing Neutral Safety Switch
Common signs of a faulty neutral safety switch include the engine not cranking in park or neutral, not cranking at all, or cranking in any gear.
5 Commonly Overlooked Vehicle Maintenance Items
Brake fluid, auto transmission fluid, and coolant flushes, as well as cabin filter changes and valve adjustments, are all important services.
What Does the DSG Transmission Too Hot Light Mean?
When the DSG transmission too hot light is on, your engine needs to shut off and cool down before serious damage occurs.
What Does the Automatic Transmission/Automatic Gearbox Warning Light Mean?
The automatic transmission warning light means there's an issue with the transmission, possibly the fluid temperature, fluid level, or pressure.
How Long Does a Shift Interlock Solenoid Last?
Modern transmissions are much more advanced than they were only a few decades ago, particularly automatic transmission. There are many new features and designs on the market, ranging from ‘slick’ shifting...
How Long Does a Transmission Speed Sensor Last?
The transmission speed sensor measures the RPMs of the shaft of the transmission. While the engine is running, but not moving, then the input shaft of the transmission is not moving...
How Long Does a Transmission Position Sensor (Switch) Last?
All automatic transmission vehicles have a safety switch in place that only allows them to start if they are in park or neutral gars. The transmission position sensor, also called the...
How to Use Autostick
Autostick gives drivers with automatic transmissions the feel of a manual car. It allows the driver to upshift and downshift for extra control.
How to Check and Add Fluid to an Automatic Transmission Car
Checking and keeping your transmission filled with a good level of fluid will help give you a seamless experience when driving.
How to Improve Automatic Transmission Performance and Reliability
The transmission on automatic cars is improved by changing driving habits, maintaining engine performance, and replacing transmission oil and filter.
How to Buy a Good Quality Transmission
When it comes to costly parts, the transmission is right up there among the most expensive. Because of that many people opt to purchase a used transmission, which is not usually the ideal...

Related questions

Question
Ford Focus DPS6 transmission - Are the actuators located inside the TCM? 2013 Ford Focus
Hello - the clutch actuators are external, but bolted to, the transmission. There are 2 "shift drums", activated by clock motors, inside the Transmission Control Module (TCM) which do the actual gear selection. Ford seems to like to refer to...
Question
1997 Eplorer 4.0 L transmission noise on gear down 1997 Ford Explorer
Hi there - the 4R44E or 5R55E transmission in your Explorer has experienced this issue. Ford issued a Technical Service Bulletin (#9987) to address this concern. In your case, advanced mileage may be a contributing problem as well - worn...
Question
Why does my truck only go forward? I changed the shift solenoid and other sensor on the transmission.
Check the sensors and make sure that the harnesses are plugged into the right sensors. If the wiring is correct, then the shifter to the transmission may not be hooked up properly causing the transmission to stay in a forward...
Question
When I start driving my car my rpms go up to about 4000 before it drops back do what does this mean? 2006 Ford Fusion
Hi there - this is probably normal operation, and nothing is wrong with your transmission. Many auto manufacturers now program the transmission to hold lower gears longer (for a few minutes) when the vehicle is cold. This helps the engine...
Question
My Isuzu rodeo shifter will move through all gears but when i try to put it into park the light on dash says reverse. Isuzu Rodeo
Hi there - your shifter cable, or the attachment linkage for the shifter cable, is most likely worn or loose. This prevents full action of the shifter from selecting the desired gear position in the transmission. I recommend a shifter...
Question
I just rebuilt my 65 RFE transmission and it works great but am getting the code 4th gear ratio incorrect.
Check the transmission fluid and see if its full and clean. If the fluid is original, then I suggest flushing out the fluid and changing the transmission oil filter. If the fluid is good and has been changed, then the...
Question
2005 GMC with Denali transmission grinding in all gears including neutral. It will not accelerate and also doesn't have park.
Hi there. Your transmission is slipping all of the gears inside and may be due to a broken stator clutch and a broken torque converter. A torque converter that has failed will cause a grinding noise if the stator breaks...
Question
I have 02 ford fusion. And the transmission wont go in gear when its hot. But when first turned in it will.. What will be my prob.
Hi there. Sometimes this type of problem is caused by internal transmission issues. It can be as minor as the transmission fluid being 'dirty' or the hydraulic lines being clogged with debris; requiring transmission fluid to be flushed and the...
Question
Auto trans - overdrive not working 1993 Dodge Dakota
Hello - there are a number of possible causes for this behavior, which I will list in approximate order of hassle and expense to check out: after making sure transmission fluid is at the proper level and condition (slightly pink,...
Question
Replaced rear seal and now I Only have first gear and my speedamater don't work.
If you replaced the tail shaft seal behind the yoke and had to remove the driveshaft, then it is possible that the transmission vehicle speed sensor VSS is not installed correctly or the harness has been damaged. This will make...
Question
Car vibrates when shifting at 3krpm but not 2 or 4 and vibrates when moving at 3krpm why?
Hi there. The engine's harmonic balancer or the flex plate could be bent causing the engine to have a vibration when operated between 2,500 to 3,000 rpm's. I recommend seeking out a professional, such as one from Your Mechanic, to...
Question
Lacks power on takeoff 1999 Dodge Ram 1500
Hello - the combination of a lack of power from a standing start, and a poor shifting complaint may indicate your transmission is in "limp mode". This would cause it to take off in 2nd or even 3rd gear -...
Question
Car wont move when in drive or reverse what to do
Hello, thank you for writing in. Most commonly, this is caused by low transmission fluid or a failed up. Check the level and condition of the fluid, and if it is low, you may have a leak. You may also...
Question
How do you remove the torque converter bolts off the flywheel? 2005 GMC Envoy Denali
Hello - with the vehicle safely supported to provide clearance underneath - in between the engine oil and transmission pan, there is a large, funnel-shaped aluminum casting (called the bellhousing), that physically mounts the engine to the transmission. At the...
Question
Why would the battery and brake light come on for no reason as well as the transmission jerking when accelerating from first to second?
Hi there. Your alternator may not be working properly. If so, turn off all the lights and have the engine running at night. Then from an idle condition, rev up the engine. If the brake and battery light become brighter,...
Question
When I put the automatic gear in reverse it moves forward. It is Toyota Sienna LE 2004.
Hi there. The transmission reverse input clutch is slipping. Check the fluid to the transmission and smell it. If the oil smells like its burnt, then the transmission would need to be rebuilt or replaced. I recommend dropping the oil...
Question
My car is pouring transmission fluid out by the starter. Is that the front transmission seal? 2006 Chevrolet Monte Carlo
Hi there - the leak you describe could certainly be caused by the transmission input shaft seal. It's also possible that one of the transmission fluid lines to the radiator has failed, or one of the fluid couplings is leaking...
Question
Hi.I have a 2006 Dodge Magnum. My ESP light came on and my car won't go over 35 mph.
Hi there. The Electronic Stability Program light is on for the one or more of the wheel speed sensors are picking up a wheel that is spinning too fast. If the rear wheels spun out, then the system will become...
Question
Just had a transmision changed in a 2005 nissan maxima 3.5l now its slipping in and out of gear while driving causing rpms to jjum
Hello, thank you for writing in. Without knowing what sensor or what diagnostic code was pulled, it is difficult to say. That information will let you know what sensor needs to be looked at, which you can then just simply...
Question
I have a 2002 Chrysler 300m that had been sitting up for a year. I replaced the rack and pinion but when backing up steering is hard. Plus I have a P0740 code.
Hi there. The issue with the steering being hard seems to be with the pump still having air in it. Start the engine and open the bleed valve slightly. Turn the steering wheel several times from left to right and...

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