whats the difference? correct me if I misunderstand abls, it uses brake force on the wheel that is spinning and applies power to the other.?? I would think the properties for normal lsd would still be built in to that rearend. I dont know so thats why I'm here. I want my truck to have some form of ls. be it ls ,abls this is getting to be alot of bs. if you know what I mean, hell even the dealers don't know whats going on.
You're mostly right on ABLS in that it uses the anti-lock brakes to bind down on a spinning wheel, but it doesn't regulate engine power application in any way. ABLS is not a mechanical l.s. or locker. As I recall, you're looking at an SE, so you cannot avail yourself of the fancier features like VDC (Vehicle Dynamic Control) which I believe does modulate the throttle (though it's designed for highway situations at speed).
If you buy ABLS you'll get a form of l.s., but it won't be as capable as a mechanically-based one.
Hope this helps.
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2006 SE CC 4x2 6-Speed w/Power Package & ABLS, Red Brawn
ABLS is NOT a limited slip. it applies the brake to the wheel spinning an cuts the power. it goes along with the VDC. turn off the vdc and you can smoke the tires. it is really a pain in the a$$ of your make a mistake and pull out infront a a car you dont see. like on a blind curve.
on a very basic level, abls is just another form of having an antilock brake system. all it does is keep the car on the road traveling on a relatively safe path. limited slip is more traction related whereas abls is more for safety.
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06 NISMO King Cab 4x4 Storm Grey
abls does not cut power at all... all it does is produce brake force on a spinning wheel - which IMO works ok..
I agree. The 2WD Colorado/Canyons offer a Traction Control feature that actually reduces the the throttle setting; Frontier's ABLS does not do that and it's an interesting distinction. Chevy's website reads that "the system utilizes electronic controls to help reduce rear-wheel spin when driving on most slippery surfaces. When sensors determine one or both rear wheels have low traction, engine power is reduced to limit wheel slippage. Requires automatic transmission and automatic locking rear differential." Colorado has no ABLS, but instead offers a full Eaton mechanical locker in concert with their Traction Control.
No wonder the buying public is confused! <g>
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2006 SE CC 4x2 6-Speed w/Power Package & ABLS, Red Brawn
then why does my tac. drop rpms when the abls is activated by a slipping tire?
The only thing I can think of is when the slipping wheel finally digs in, there's suddenly a greater engine load and the RPMs then naturally drop a bit. When I was stuck several weeks ago, my ABLS was pretty much useless. The wheel spun around and around for five minutes as I tried to get out and I didn't notice any automated throttle reduction whatsoever.
By the way, I was stuck in deep sandy mud -- a situation beyond what ABLS was probably designed for.
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2006 SE CC 4x2 6-Speed w/Power Package & ABLS, Red Brawn
The only thing I can think of is when the slipping wheel finally digs in, there's suddenly a greater engine load and the RPMs then naturally drop a bit. When I was stuck several weeks ago, my ABLS was pretty much useless. The wheel spun around and around for five minutes as I tried to get out and I didn't notice any automated throttle reduction whatsoever.
By the way, I was stuck in deep sandy mud -- a situation beyond what ABLS was probably designed for.
The ABLS will turn off if it detects the brakes overheating,this may have happened in your case.
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