Limits of B Gear
#1
Limits of B Gear
Have a new 2008 Camry Hybrid. I live in a hilly area. What is the maximum recommendedspeed at which one can travel downhill? Is there a limit beyond which damage may occur? For example, the "Grapevine" in Southern California on I5 is very steep, about 3000+ ft elevation change downhill for a few miles. If I keep the car in the B gear, will the acceleration of gravity cause the car to go too fast and break something?
Thanks,
Harold
Thanks,
Harold
#2
Re: Limits of B Gear
I have used B on 6% freeway grades at speeds up to 75mph, for 2 to 3 miles at freeway speeds with no problems. I find I need to give a little gas or B will slow me down too much on most freeway grades. I never felt the engine was over speeding due to the use of the B gear.
#3
Re: Limits of B Gear
Harold
#6
Re: Limits of B Gear
Just to be clear, B isn't a "gear" at all in the Hybrid. There aren't any gears in the traditional sense. It's simply the computer altering how it manages the drivetrain to give you somewhat more slowing power. It won't let you hurt it.
Later!
Dang
Later!
Dang
#7
Re: Limits of B Gear
I go down a rather steep straight grade when going over the mountain west Las Cruces, NM. I use the B position and other times simply go easy on the brakes to slow occasionally.
I'm getting good at hitting the flashers for a few flashes to alert trucks or cars that i'm going slower than they are. Even in full sunlight those bright yellow rear flashers must be very visible from a long ways back.
I'm getting good at hitting the flashers for a few flashes to alert trucks or cars that i'm going slower than they are. Even in full sunlight those bright yellow rear flashers must be very visible from a long ways back.
#8
Re: Limits of B Gear
Harold
#10
Re: Limits of B Gear
The "whining" when coasting in 'B' is the ICE being spun (without fuel or spark) at higher speeds (between 1000-4000 rpm) by MG1 to give true engine braking. Coasting above ~40 miles per hour (~64 km/h) in 'D,' the ICE is spun by MG1 at idling speed (~1000 rpm) only, and so isn't readily audible. No harm will come to the engine or transmission by shifting into 'B' at speed.
Stan
Stan
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