If the drive wheels are on the ground, yes, towing a vehicle with an automatic transmission will damage lots of things. If in Park, the drive wheels will skid, causing damage to the tires and the linkages all the way back to the transmission. Ir can cause damage to the transmission as well.
Pushing or pulling in neutral is possible, but should only be done at low speeds over short distances. Automatic transmissions have no lubrication when the engine is not running. Yes, towing an automatic car in 'neutral' is bad for the automatic transmission.
With an auto you can tow in performance mode and this should lock out the overdrive gears, as well as holding each gear for longer. If you look in your owners manual you will usually find this recommendation.
Less risk of transmission damage. Most automatic cars cannot be started by pushing or pulling them to a certain speed. Either the automatic gearbox prevents rolling the car at all or there is an open clutch which cannot be closed manually.
Cars with an automatic transmission should be towed with care to avoid damage to the transmission system. If it is a must, the drive wheels should be on the ground. At the same time, the car should not be towed for more than 25 Kilometres and the speed should not exceed 40Km/hr.
This means that, yes - you can jump start an automatic car. However, what you can't do is push or bump start an automatic car. Why? This is because automatic transmission vehicles come with open clutches, which disables the classic push start manoeuvre.
Towing a car in park is possible, but not with all four wheels on the ground. Automatic cars have a mechanical lock in P-Mode, which can get broken if the wheels are forced to move. It's safer to put it in neutral while you tow it to avoid any damage.
Often, vehicles with automatic transmissions will have a greater allowable cargo load than those with manual transmissions, mainly because shifting gears when towing large loads with a manual can cause damage to the clutch.
It also states that, if you must tow it with the drive wheels on the ground: Automatic Transaxle - Your vehicle may be towed under the following conditions: The gear selector must be in NEUTRAL, the distance to be towed must not exceed 15 miles (25 km), and the towing speed must not exceed 25 mph (40 km/h).
Your automatic transmission has a device known as a parking pawl. This device locks the transmissions output shaft, preventing it from moving when your shifter is in Park. This device resembles a pin, that functions by engaging a notched ring attached to the transmission's output shaft when in 'P” Park position.
You can only tow a four-wheel drive vehicle with all wheels on the ground by placing the transfer case in its neutral position and engaging the four-wheel-down towing feature.
If your vehicle is a front-wheel drive, and automatic:
Simply put the vehicle in park and tow. If all four wheels are on the ground, your vehicle must be equipped with a proper towing device, to keep the transmission from turning without proper lubrication.
If you're new to towing, you should know that towing an automatic 4x4 with any of its drive wheels touching the ground can cause damage to its transmission that's beyond repair. This isn't an issue if you have a manual transmission vehicle.
Towing – Low gear is excellent for towing a heavy load like a trailer or boat since it gives you extra engine power to safely and confidently tow. It's best to refer to your owner's manual for any speed limitations while using your low gear.
No fluid in the transmission will not keep it from rolling in neutral but that would keep it from going into drive or reverse.
When parking. If you have an automatic gearbox, apply the handbrake first, then put it in P. This ensures that the car's weight isn't resting on the parking pawl.
You should use your emergency brake every time you park. It doesn't matter if you're on a hill or a flat parking lot, whether you drive an automatic or manual transmission, or whether the weather is pleasant or inclement.