Peterbilt 579 Suspension problems by year

Front axle begins popping and making metal to metal noises when hitting bumps and or turning. We took it to the shop and they found the nuts to the U-bolts that hold the leaf springs to the front axle had begun backing off and were out of torque spec. Upon receiving the truck back the front end no longer made this noise. Approximately 8 months later we are hearing the same metal on metal and popping noises that we heard previously. We have also noticed similar year Peterbilt 579's with this same noise and popping so this isn't specific to our vehicle.

My 2019 peterbilt model 579 has front end issues !!!!!! I have had this vehicle aligned all three axles and on the second occasion just the steer axle. I am on my 4th set of steer tires. The truck came through with 11 r22.5 Goodyear tires they started cupping out at 25 to 35,000 miles I took them off and put on a set of 11r 22.5 General brand tires and hence had the (3)axle alignment done at approx.72 To 75,00 miles these tires cupped out so bad I had to remove them with approx 30,000 miles on them.. I went...

I would like to talk to you about my truck issue . I bought the truck peterbilt 579 2022 from golden state peterbilt fresno ca on 03/03/2021. When I drove the truck I realized it was pulling to the right. I immediately informed the dealership about this issue. I drove the truck about 200 miles to make sure there was something wrong with the truck, so I left the truck at the dealership on 03/04/21 to fix it. The company has claimed to have repaired the truck three times since then but the truck has not been...