I have a 99 F150SC 4x4. For quite a while, I have been having a problem with the truck drifting left. I have had the alignment checked, and the tires rotated. I have done enough testing to know that it is not the crown of the road. Any idea what else could cause this? Although it isn't very annoying around town, on the highway it bothers me. Thanks, Dan.

 

I think I read somewhere that a slight pull was normal on newer vehicles, but I thought it was suppose to be to the right so the vehicle would go off the road instead of into oncoming traffic if the driver falls asleep. I could be wrong though. Sorry I can't help, good luck!

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'98 F150 S/C 5.4 V8 4x2, Aggie maroon, spindle lift, blocks and leafs, Rancho RSX shocks, Airaid filter system, Pro Comp 305/70/16, AR Baja 16x8, Dynomax duals, and some other stuff