BRAKES FAILED!!

Glad I don't have that.

 

It's hydraulic assist with an electric pump. It's on all OR's and Pros whether they have crawl (autos) or not.

 

Stiff pedal is not a sign of losing brakes but is a sign of lost assist. If this is the case cramming the brakes with *all* your might is the approach. We have all become too accustomed to applying weak levels of effort with the modern day effort-amplifying boost systems for both braking and steering.

 

I knew something was up the first time I stepped on the brakes when my Taco was in the garage. All kinds of whirring electrical sounds. The brakes on mine have an inconsistent feeling sometimes but never in a dangerous way.

 

That's the pump. It keeps the accumulator charged and typically you get a couple brake presses before it runs to recharge. Also, the rear brakes are completely brake by wire unless there's failure in the system then it's manual.

 

What?

Literally only hydraulic lines going back there. Only wiring is ABS sensors.

 

Sounds like your modifications effed something up. No bueno

 

Brake by wire means no mechanical link directly to the brakes from your foot, not that it's not hydraulically actuated. The pressure applied to the rear brakes comes from a circuit that is pressurized by a pump and the amount of braking applied is determined by an ecu. If there's a failure in the system it may then allow master cylinder pressure generated directly by your foot to actuate the rear brakes.

You will learn this when you try and bleed the rear brakes.

 

i stand corrected.

 

Glad you are ok!

Were you on dynamic cruise control and did the system brake automatically already? Because if you then try to hit the brakes while the dynamic cc is operating them, it feels like your wood log behind the pedal. Release the brake and press again and it is normal. Not very nice feature by Toyota, scared the living crap outta me the first time it happened.

 

OP has 2017

 

Any update to this? Was interested in the cause but noticed OP hasn't logged in since June.

 

When was the last time you had your front brakes done? So new pads, brake fluid change, etc?

If still OEM and no brake work ever done, how much pad is left and how many miles on your Taco?

 

OP disappeared

 

Damn, the case of the disappearing OP.

 

He probably transitioned to the Honda Ridgeline forum

 

Man. There should be some kind of thing to deal with low post shit disturbers. I don't know if the OP was real or not, but threads like this with no resolution feel wrong.

Of course, the OP might have gotten some help under NDA?

 

I saw something like this on here a while back where someone had an aftermarket part around the battery/fuse box area and it ended up chaffing or cutting the brake line leaving no brakes.
Glad everyone is ok OP. Hope you get it figured out