Pulls when braking direction depends on brake temperature

HUNTERHOSKINS

MEMBER
1990 TOYOTA PICKUP
2.4L
4 CYL
2WD
MANUAL
150,000 MILES

We have replaced the front calipers, rotors, shoes, and checked and repacked all of the bearings and everything and confirmed the spindles are perfect. When going down the road, I can let go of the wheel and it goes perfectly straight but when I apply the brakes the truck pulls. The pickup pulls to the left if the brakes are cold and to the right if the brakes are hot. I am going to check the tire air pressure again in the morning when everything is cold but the air pressure has been perfect.
I am running out of ideas. Would someone please provide any suggestions, ideas and possible solutions they may have.
I am not comfortable driving my little truck with all the pulling and I sure do miss driving her. Again, any suggestions, thoughts or ideas will be very much appreciated.

1 Reply

CJ MEDEVAC

MECHANIC
11,004 POSTS

One thing up front that you did not mention are the brake hoses.

Most of the time when you find that they are a problem is when they are 100% shot. The symptoms then are the calipers lock down (close) and will not release. This is due to the insides of the hose(s) deteriorate and will let fluid in, but then (similar to a check valve) will not let it back out when the pedal is released. This is maybe a possibility.

I have seen other things like a twist in a hose.

Or calipers installed upside down (the left side swapped with the right), obvious signs being the bleeder screw is at the bottom (when it should be at the top) and air remains trapped at the top and is now impossible to purge it out.

On this newer stuff ABS could do strange things.

This guide should help

https://www.2carpros.com/articles/car-pulls-right-or-left-when-driving-or-braking

Keep us posted!

The Medic