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[__ Science __ ] Did You Know?

I drive a stick because it was the cheapest. because of my wife's age and myself getting older when that dies, I will find an auto since if the Tacoma breaks down, my wife cant operate my truck.

Consumer Reports recommends SUVs for the elderly. Cars and trucks can be hard for the elderly to get into. Cars are too low to the ground, some trucks require climbing. SUVs are just the right height. Try different models to find which is the best height for you two.
 
Do you mean if someone is driving down the freeway, and loses power, their car will go into park at 60 MPH?
Once it stops you can't shift it to neutral or loser power go into neutral.you can coast into lower speeds but without power how does it down shift?it might use only,the 5v needed as most systems only use 5v for sensors buy the solenoid s are 12v irc.not my speciality.
 
Once it stops you can't shift it to neutral or loser power go into neutral.you can coast into lower speeds but without power how does it down shift?

You could still push it with a cruiser to a safe location, even if it is in 5th gear. As long as the parking pin isn't engaged in the transmission, the fluid coupling would allow movement. You could also coast slowly to the berm on a freeway, then apply the brakes. Even if it doesn't downshift, it would still maneuver well enough to get to the berm. Fluid couplings don't have a direct mechanical connection to the engine.

It would just be maintenance in a garage that would be a hassle, if it were in park. The mechanic couldn't shift it from park to neutral unless he charged the battery first. The parking pin prevents the car from moving. The parking pin is the only time you couldn't move the car.
 
You could still push it with a cruiser to a safe location, even if it is in 5th gear. As long as the parking pin isn't engaged in the transmission, the fluid coupling would allow movement. You could also coast slowly to the berm on a freeway, then apply the brakes. Even if it doesn't downshift, it would still maneuver well enough to get to the berm. Fluid couplings don't have a direct mechanical connection to the engine.

It would just be maintenance in a garage that would be a hassle, if it were in park. The mechanic couldn't shift it from park to neutral unless he charged the battery first. The parking pin prevents the car from moving. The parking pin is the only time you couldn't move the car.
Modern tranny don't have a parking pin.they use a solenoid


Other wise death wouldnt happen since there is no,linkage


Park is controlled by a solenoid ,if power is lost a solenoid either closes or opens depending on how its set up.pin in or out given out means power to it .it must mean if battery goes its in neutral by default but those things can't be pushed at all.
 
You could still push it with a cruiser to a safe location, even if it is in 5th gear. As long as the parking pin isn't engaged in the transmission, the fluid coupling would allow movement. You could also coast slowly to the berm on a freeway, then apply the brakes. Even if it doesn't downshift, it would still maneuver well enough to get to the berm. Fluid couplings don't have a direct mechanical connection to the engine.

It would just be maintenance in a garage that would be a hassle, if it were in park. The mechanic couldn't shift it from park to neutral unless he charged the battery first. The parking pin prevents the car from moving. The parking pin is the only time you couldn't move the car.
From,experience cuz I haven't done it the parking paw will only stop a car at 5mph,drop to it in speeds higher then that well it will make noises or of done enough be chewed off seen it in a few cars .my,parents had a chevete with no parking paw,and you could start that in gear .I parked that in drive often .
 
Since it’s not always immediately obvious whether these unfamiliar transmissions are in gear, Neutral, or Park, it’s possible for rollaways to happen after a driver exits the car.

The article said people were getting zapped when their cars moved after people exited the vehicle. CR wants the parking solenoid to engage automatically when the engine is turned off, or the doors are opened.

If the power goes out, the solenoid should stay in whatever position it was in when the power was still on. Unless it is spring loaded to close if power goes out, which wouldn't make sense as it would be unsafe on the freeway. So if the power goes out while someone is driving, the solenoid should not have any power to engage. The car could still be pushed by a cruiser.

If a car is in park when the battery loses charge, there will be no way to disengage the solenoid. You have to charge the battery, or put a new one in before the car can be pushed.
 
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From,experience cuz I haven't done it the parking paw will only stop a car at 5mph,drop to it in speeds higher then that well it will make noises or of done enough be chewed off seen it in a few cars

Okay the parking solenoid is not all that strong then. If it engaged on the freeway, you would just need to replace the solenoid. In an emergency, a cruiser could probably still push an imminent road hazard to a safer position. It would zap the solenoid, but that's better than someone getting injured.

A mechanic in a garage would not want to damage the solenoid, so charging the battery would be the way to go. Then turn the key, and put the car into neutral.
 
The article said people were getting zapped when their cars moved after people exited the vehicle. CR wants the parking solenoid to engage automatically when the engine is turned off, or the doors are opened.

If the power goes out, the solenoid should stay in whatever position it was in when the power was still on. Unless it is spring loaded to close if power goes out, which wouldn't make sense as it would be unsafe on the freeway. So if the power goes out while someone is driving, the solenoid should not have any power to engage. The car could still be pushed by a cruiser.

If a car is in park when the battery loses charge, there will be no way to disengage the solenoid. You have to charge the battery, or put a new one in before the car can be pushed.
From experience you can't push it without power .it has to be jumped to get in gear .o had one that was low on power that was towed in and I had to jump it to get it into gear
 
Okay the parking solenoid is not all that strong then. If it engaged on the freeway, you would just need to replace the solenoid. In an emergency, a cruiser could probably still push an imminent road hazard to a safer position. It would zap the solenoid, but that's better than someone getting injured.

A mechanic in a garage would not want to damage the solenoid, so charging the battery would be the way to go. Then turn the key, and put the car into neutral.
Push the button to start .turn key most modern cars use fobs,with a push button to start .you are behind the times
 
Push the button to start .turn key most modern cars use fobs,with a push button to start .you are behind the times

My 2018 uses a key.

I didn't want anything different. Just a plain vanilla transport. One with controls that work just like the cars I drove since I was a teenager. Key start, shift lever on the floor, and the motor keeps running while I am in an intersection waiting to make a left turn.
 
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From experience you can't push it without power .it has to be jumped to get in gear .o had one that was low on power that was towed in and I had to jump it to get it into gear

Right, if it is in park, it will stay in park until the solenoid is energized. Your experience.

If it is in drive, it will stay in drive until power is restored. People needing to move their cars in a road power down can still push them to safety.
 
they have six speeds, the tranny for that, which one was that? man I should know the name, it looks like the ranger one , the first manual clutch I replaced, i did two of them in school, it was easy and had it done in a few hours. t5 or t6. irc the slave cylnder on the ranger one was on the shaft while some of the older ones were old school like my nissan. easy to get to and replace and a nuisance to bleed.

I dunno which one it is. It is a 5 speed. Everything on it was ordered heavy duty because it was a factory municipal truck with almost every factory upgrade that they offered. It's a 1995 F250 but it has a F350 suspension on it, it's a 1 ton.

It was even set up to run on Natural gas also. The brain & wiring are still in place but they took the tank, lol. And the first gear on this thing is soo low that I don't even use it. No hills around here.
 
My 2018 uses a key.

I didn't want anything different. Just a plain vanilla transport. One with controls that work just like the cars I drove since I was a teenager. Key start, shift lever on the floor, and the motor keeps running while I am in an intersection waiting to make a left turn.
Its going to change ,push button are in Ford's as well.
 
Its going to change ,push button are in Ford's as well.

That's not good. People are getting confused by the changes. The Consumer Reports article you cited told how people can't figure out what gear their cars are in, and get out of the car with them still in gear. The old fashioned shift lever on the floor works much better. Its intuitive. That's the one I chose.
 
That's not good. People are getting confused by the changes. The Consumer Reports article you cited told how people can't figure out what gear their cars are in, and get out of the car with them still in gear. The old fashioned shift lever on the floor works much better. Its intuitive. That's the one I chose.
Your the one that wants an electric car,a tesla has a push button start and shift system.
 
Your the one that wants an electric car,a tesla has a push button start and shift system.

Only for smoggy cities like LA. Inversion layers trap car exhaust in LA.

Joe average can't afford a Tesla. Those are pricey. Electric can be made with standard controls. They don't need that fancy Tesla stuff.
 
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