They have a very effortless pedal feel and is air assisted. Down side is it is very easy to abuse the brake and you can destroy it in short order if your not paying attention. Plus there is no clue when to adjust other that the brake is gone and the pedal hits the firewall.
2019 389 driveline vibration
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by jake744, Aug 12, 2018.
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snowman_w900, pushbroom and spsauerland Thank this.
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Big John Classic HQ, KB3MMX and speedyk Thank this.
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also have a 2019 389 with vibration problems.Dealer pulled front shaft had it rebalanced.Truck was great for a week then started vibrating again.Its back at the dealer again.
KB3MMX Thanks this. -
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Peterbilt quality seems to have really suffered, this looks to be a widespread problem with the SPL250 Driveline
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