There are actually 4 gears (yes, 4 in a 4 speed automatic as the Admin pointed out), plus an overdrive on top of the 4th gear. I can always tell when my auto gets into overdrive because the RPMs drop quite quickly and the car maintains speed.
Is that what that drop in RPM is? Sorry, I thought that was the OD kicking in. This is my first automatic that I own, so I'm still getting used to how it all works. Shoot, now I'm really upset that we don't have a 5 speed automatic, like most cars in the sporty category have or are going to.
All and overdrive gear is is a gear with a ratio of less than 1:1. Almost all cars have at least one OD gear (auto and stick) and often 6 speeds and some 5 speed manuals actually have two- For example:
My Dad's 2003 Jeep Cherokee Laredo:
Transmission gear ratio (1st) 3.00
Transmission gear ratio (2nd) 1.67
Transmission gear ratio (3rd) 1.00<---- "Drive"
Transmission gear ratio (4th) .75 <---- OD
Transmission gear ratio (5th) .67 <---- OD
Transmission gear ratio (reverse) 3.00
So the only advantage over a standard 4 speed auto here is slightly better fuel economy at highway speed.
so lemme get this straight, for the 4spd auto it has
Push over to D to get into OD mode?
and from what you guys said about no OD on/off button, i think that's a draw back, because with my current vehicle, i can do a quick pass over slower cars with just pressing my OD button to get a quick kick down. But then with an manu-matic, i guess all you need to do it's shift down a gear with a push of the shift lever.
and i heard that some of the newer manual tranmission got OD too right? like 5spd with OD, how does that work? unless i was seeing things?
The torque convertor doesn't lock up in manual mode, so when you shift it out of manual mode into Drive, it will lock up. If you want to pass a car, just either switch to manual mode or floor it and the transmission will downshift to the appropiate lower gear.
um, i thought overdrive was for automatic cars, if u floored it, say u were going uphill from dead stop, it goes in first, but u hit it hard, and it goes into overdrive, its like the gear bellow first. Im quite sure about this.
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