The car’s been pulling to the left for about 6 months. I had it aligned and it still pulls. Everything under the car is new and the alignment shop agreed that everything is tight. I found slight uneven brake wear so I replaced brakes, calipers, rotors, and bearings. It still pulls. I’m wondering if it’s possible for a power steering gear box to cause a pull. It’s a remanufactured box with about 3,000 miles. The alignment shop said their machine showed it responded immediately turning right but has a slight delay turning left.

 

Get the front wheels off the ground, start the engine, keep hands off the steering wheel, and rev up the rpm's. See if the wheels want to pull more in one direction than the other. Could be an internal issue with the check valve, causing a hydraulic pull.

 

Tires?

 

Thanks for the reply. I tried that. I even "encouraged" the steering wheel to turn on its own by giving a push.

 

Thanks for the reply. I cant move tires front to back since they are different sizes but I can swap side to side. The tires are designed to rotate one direction but temporarily swapping sides will at least tell me if the pull changes.

 

Add more caster, min 1 degree.

 

Swap tires front to back and recheck. Its unlikely to be a power steering box issue. Saginaw boxes use a torsion spool valve to run the hydraulics. They're self centering.