I pulled the dead 3.0 , working on the 1KZT diesel transplant.

I noticed on the passenger side the PS lines and the brake lines connect at some box on the fron of the frame.

What is this box?


ABS?

 

Is this on a 4Runner? I heard somebody else talking about this, but I didn't think these would have them. I don't remember what he called it, but it might be some kind of extra brake assist. IDK. He said that some super duty GM vehicles had it, and I thought he was full of it. Perhaps not!?

Sorry, I can't help you any more than that. I would grab a FSM if you don't already have one, and see what it says.

 

Here's a quote from him. Not all of this applies to your question, but it might give you some search terms.

and when you turn the wheel the pressure in the pedal is increased?

if this is the case it is due to the fact that the power steering boosts the brakes, this is called "hydro-boost" or "hydro-assit" and is a system found in many heavy duty chevys, well how do you stop it ? well two things to minimize its side effects

1) bleed the crap out of the brakes all of them uses the fsm for correct procedure
2) bleed the power steering per the procedure in the fsm

that should solve the issue

 

It's the LSPV and ABS