Drag in low speed turns
Don't know how to put this, but my 8 is feeling drags when I am making turns in low speed, especially if I am turning when starting up.
It feels like there is a lot of resistance between the tire and the ground...everything seem fine in straight line or when turning in higher speed (30+mph). Also, the tires are fairly new (same problem when with old tires though). any thought? |
Did u leave ur e-brake on?
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Originally Posted by CrazyJek
(Post 3644829)
Did u leave ur e-brake on?
and it has been like this for a while... any other thought? |
Turning the wheel does induce a faint amount of rotor/caliper shift, a severe turn can be enough for the pads to start gripping the rotor if not everything is where it should be and appropriately tight...
Not saying this is the issue, but it might be. |
on a RWD car starting while turning will always be harder with FWD car because the torque only goes forward while FWD torque turns as the wheels turn. thats why RWD is harder to drive in the snow.
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Originally Posted by jasonrxeight
(Post 3644894)
on a RWD car starting while turning will always be harder with FWD car because the torque only goes forward while FWD torque turns as the wheels turn.
thats why RWD is harder to drive in the snow. RWD sports cars typically come with summers, which turn into hockey pucks under 40 degrees...and usually the weight is forward in most cars, so weight off the drive tires, compounding the problem. Low end torque doesn't help either. Breaking torque induces oversteer, and into a spin if you can't control it. FWD cars typically come with all seasons, which at least retain some flexibility, and more tread, so they do better. They also have the weight over the drive wheels, improving the limited grip better. They are also usually lower torque, so easier to stay within available torque limits. Breaking torque induces understeer, so while you can't control your direction very well, at least you aren't spinning. THAT is why the common perception exists that "RWD cars are harder to drive in the snow" Stick snow tires on a RWD car, and it will beat all seasons on a 4WD or AWD hands down. I do it every winter. Snow tires on AWD is obviously the best possible. It helps that our low end torque is so low and our weight is 50/50 so less unbalanced weight off the rear axle. I am planted and stable and can grip and drive anywhere except deep powder (ground clearance). But I can break traction when i want to for the fun. Back to our regularly scheduled programming. |
Originally Posted by RIWWP
(Post 3644973)
Sorry, you were going good till this line. It ain't so :)
RWD sports cars typically come with summers, which turn into hockey pucks under 40 degrees...[snip] FWD cars typically come with all seasons, which at least retain some flexibility, and more tread... Given equal tires, the reason why fwd is easier to drive in the snow is just the difference between pushing and pulling. When rwd wheels spin, they may slip sideways and you need to countersteer. The car won't straighten unless the front wheels have enough grip to turn and move the whole front over. Not even possible if they're in a rut. When fwd wheels spin, the rear isn't trying to come around. The front wheels may slip sideways, but steering as they're spinning has a shot at countering the sideways slip. FWIW, rwd cars tend to be better than fwd for stopping on snow, because all cars are four wheel braking and the weight distribution is usually better. Considering the current heat wave, talking about driving in the snow is really refreshing. :) Ken |
Originally Posted by ken-x8
(Post 3645048)
Ack! And I was so looking forward to a correct explanation. ;)
Given equal tires, the reason why fwd is easier to drive in the snow is just the difference between pushing and pulling. When rwd wheels spin, they may slip sideways and you need to countersteer. The car won't straighten unless the front wheels have enough grip to turn and move the whole front over. Not even possible if they're in a rut. When fwd wheels spin, the rear isn't trying to come around. The front wheels may slip sideways, but steering as they're spinning has a shot at countering the sideways slip. FWIW, rwd cars tend to be better than fwd for stopping on snow, because all cars are four wheel braking and the weight distribution is usually better. Considering the current heat wave, talking about driving in the snow is really refreshing. :) Ken given same weight distribution and same tires FWD cars are easier to get going when turning because the torque goes to where the wheels are turning to. RWD is harder because when get going weight shifts to the back front tires lose grip hill start going in a straight line, RWD is better since the weight shift |
Originally Posted by RIWWP
(Post 3644847)
Turning the wheel does induce a faint amount of rotor/caliper shift, a severe turn can be enough for the pads to start gripping the rotor if not everything is where it should be and appropriately tight...
Not saying this is the issue, but it might be. last time when i changed oil at the dealers, they mentioned that i needed new brake pads (although i didn't feel any difference when braking...certainly no screaming). i have planned to change the pads myself sometime. maybe i just need to do this sooner... |
It might be an LSD problem. If the differential is locking up all the time, you could get some binding at low speeds that might feel like it's dragging.
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good alignment?
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Originally Posted by c0ldf1ame
(Post 3645101)
good alignment?
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have another member drive it to see if its your head
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mine does a little too. my 04 gs never had the 'problem'. ive never read anything about it here so i assumed it had something to do with the dsc. i rarely have to crank it to full lock anyway. ill bring it up with my tech at the next service.
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Originally Posted by Razz1
(Post 3646093)
have another member drive it to see if its your head
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Check your brake calipers and pads for debris, dust, whatever... it might be causing caliper to rub against pad especially when turning. I had that happened to me once on my DD, toasted a rotor completely. Hope this helps
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