Transmission

A:

With few exceptions, cars with automatic transmissions should always be shifted into overdrive, as it allows the vehicle to shift into the highest gear available. While in a lower gear, the engine may work harder to maintain speed and use more fuel.

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  • What are some signs of having transmission problems?

    Q: What are some signs of having transmission problems?

    A: Some signs of transmission problems are the transmission refusing to go into gear, the smell of burning transmission fluid and noises coming from the transmission when the car is in neutral. Other signs are gears slipping, a dragging clutch and leaking transmission fluid.
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  • What is the way to stop a car belt from squealing?

    Q: What is the way to stop a car belt from squealing?

    A: One way to silence a squealing belt on a car is by spraying on a belt dressing. Belt dressing works as an adhesive to increase the friction between the belt and the pulley to help extend the life of the belt.
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  • What is the difference between automatic and manual cars?

    Q: What is the difference between automatic and manual cars?

    A: The difference between manual and automatic cars is that manual cars use manual transmission whereas automatic cars use automatic transmission. In a manual car, the driver is responsible for shifting the gears as the car's speed changes, but in an automatic car, changing gears happens automatically.
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  • How often should I change my transmission fluid?

    Q: How often should I change my transmission fluid?

    A: Manufacturers typically suggest that automatic transmission fluid should be changed every 20,000 to 25,000 miles. This is often done at service stations, but some people do the job themselves.
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  • What causes a clutch to burn out?

    Q: What causes a clutch to burn out?

    A: The clutch can burn out over time in a manual transmission car if the driver makes a habit of riding the clutch, using the clutch to keep the car in one place on hills or using the clutch to slow down rather than using the brakes. It is also possible to burn out the clutch suddenly by trying to do a "burnout."
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  • What causes a heavy clutch pedal?

    Q: What causes a heavy clutch pedal?

    A: There are many causes of a heavy clutch pedal; one of the most common causes is a worn out clutch. When the clutch is starting to wear out, it does not spin at the same speed as the flywheel. This creates friction, which requires pushing harder on the clutch pedal to change gears. There are also a few other auto parts that cause a heavy clutch pedal.
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  • When should I use overdrive in my car?

    Q: When should I use overdrive in my car?

    A: With few exceptions, cars with automatic transmissions should always be shifted into overdrive, as it allows the vehicle to shift into the highest gear available. While in a lower gear, the engine may work harder to maintain speed and use more fuel.
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  • What can cause a whining noise in a transmission?

    Q: What can cause a whining noise in a transmission?

    A: A transmission can prompt a whining noise if the operating system has malfunctioned, the gears are not operating correctly or the transmission fluid needs to be changed.
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  • Q: How much experience is needed to rebuild a transmission?

    A: Though one can always attempt to rebuild a transmission without prior experience, it is always best to have basic mechanical automotive knowledge before attempting to do so, as the task is lengthy and labor intensive. With basic automotive knowledge, the transmission rebuild goes quicker and with less room for error.
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  • Q: What is the average cost of replacing a timing belt on standard vehicles?

    A: The average cost of having the timing belt replaced on a standard vehicle is $449, as of 2015. The average cost for a standard SUV or minivan is $736.
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  • Q: What are some repair tips for a Nissan transmission?

    A: Since Nissan transmissions are one of the automobile's most complex interior components, the service of a mechanic is recommended even the simplest transmission repairs. Basic repairs can cost between $1,000 and $2,000 as of 2015, while remanufacturing a transmission can cost between $2,500 and $3,500, depending on a number of factors.
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  • Q: What is double clutching?

    A: Double-clutching is a shifting technique in which the driver releases the clutch as he shifts into neutral, presses on the gas pedal to match the engine's speed to the transmission, then presses the clutch and shifts to the next gear. This maintains smooth power delivery without upsetting the car's balance.
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  • How much does a transmission weigh?

    Q: How much does a transmission weigh?

    A: Front-wheel drive transmissions that are used in GM vehicles may weigh 187 to 293 pounds, depending on the type of car. Rear-wheel 4-speed and 5-speed transmissions weigh within the same range.
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  • What are some signs of transmission trouble?

    Q: What are some signs of transmission trouble?

    A: Signs of transmission trouble include gear malfunctions, a burning smell, leaking fluid, clutch difficulty, unusual noises, slow response and an activated "Check Engine" light, according to HowStuffWorks. Vehicles with transmission problems commonly show multiple symptoms
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  • Q: Where can you get a transmission sensor repaired?

    A: Car owners have a varied selection of repair shops depending on where they live, but some of the national chains that can be used include Pep Boys, Firestone and Aamco. Many smaller towns and rural towns will have local shops that may offer services at well. These kinds of locations should be searchable through the phone book or online business listings.
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  • Q: What is a shift solenoid B malfunction?

    A: A shift solenoid B malfunction is the failure of shift solenoid B in an automatic transmission to reroute the transmission fluid's flow that changes the shift valves' positions in the valve body. The failure prevents the transmission shift from second to third gear. A powertrain computer displays OBD II trouble code P0755 when the number of revolutions per minute does not change because the transmission did not shift, and the vehicle's speed sensor does not show a road speed increase.
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  • Q: What are some tips for reading hydraulic system schematics?

    A: Tips for reading a hydraulic systems schematic are to learn the different hydraulic symbols correlating with parts and the different components of hydraulic circuit diagrams. Knowledge of these basic principles will help you to understand a wider variety of symbols, which will enable the understanding of a complete hydraulic systems schematic, according to Hydra Products.
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  • Q: Where can you find 700R4 lockup wiring diagrams?

    A: Motorists and mechanics in need of 700R4 lockup wiring diagrams can browse various sites including Smokemup.com and BlackMilkMedia.com. These offer free downloadable lockup wiring diagrams for 700R4.
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  • Q: What retailers sell shift cables?

    A: Some of the online retailers that sell shift cables as of 2015 include Auto Zone, Advance Auto Parts and PerformanceBike.com. These online retailers feature different vehicle model parts and accessories, among them shift cables for different vehicle models.
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  • Q: What does the front pump on a transmission do?

    A: The front pump in a transmission builds up and releases hydraulic pressure to move valves in the valve body, apply clutch components, keep the transmission lubricated and provide fluid to the transmission cooler. The pump is mounted directly to the torque converter hub that turns at engine speed.
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  • Q: How can an automatic transmission be converted to manual transmission?

    A: The only way to convert an automatic transmission to a manual transmission is to completely replace the automatic transmission assembly of the car with a manual transmission. This procedure may be difficult or impossible on some vehicles depending on the model and design.
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