Truck turns when braking

[John Deere 4240]

So my 99 GMC C1500 turns left and then little right and then goes straight when I hit the brakes with some force, if I ease the brakes everything is normal. Rotors and bearings are little over a year old and everything else is factory with 293,000 on it (minus pads of course). The best question here is where in the heck do I start looking???

Sent from my torqued up HTC One

 

[sewlow]

Try adjusting the rears. I know that with my trucks if the rears are outa whack, the braking gets funky. And the adjuster teeth are a bit to big for the auto adjusters to work properly. The linings have to wear a bit beyond where they work right for the adjusters to ratchet up.

 

[poncho62]

If that doesnt help, I would suspect your calipers are sticking.

 

[someotherguy]

...due to bad flex hoses. Replace both hoses.

Richard

 

[df2x4]

...due to bad flex hoses. Replace both hoses.

Richard

X2, I feel like there have been a lot of these threads recently.

 

[great white]

Start with easy stuff: make sure callers aren't siezed and check caliper slider bolts for freedom of movement. Check pads for excessive wear....