2014 peterbilt front end steering problem

StrokerTSi · Oct 27, 2017

The power steering box ever been changed... Your talking about steering feel and that's directly related to that... Maybe it wasn't assembly correctly when it was manufacturered. Just my 2 cents.

AModelCat · Oct 27, 2017

RET423 said: ↑

It sounds like your steering axis inclination is too steep, that means the king pins are too close to straight up and down.

The king pin should be more rearward at the top than it is at the bottom, this is dialed in with wedge shaped blocks between the spring and axle.

If it has too much steering axis inclination it turns hard and if it has too little it turns very easy and chases every imperfection in the road.

Also instruct the alignment shop to give you 1/16 inch toe in, they like to set the toe dead even these days but that makes them steer loose; 20 years ago every alignment guy knew that but today's guys know nothing but what "the book" says.
Click to expand...

You beat me to it. Makes sense. If you load up the steer axle heavier, it will make the kingpins sit more vertical because the spring pivots on the front pin.

Hammer166 · Oct 28, 2017

^What those guys said! If it's done it since new, it most likely has the wrong wedges in the u-bolt stack. Although you'd hope someone would have checked caster on it by now!

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