1 NHTSA safety recall covers the 1997 Peterbilt 520. Every recall repair is free at any Peterbilt dealer.
Is yours affected? Recalls cover ranges of VINs, not every 1997 Peterbilt 520. Check your 520 by VIN and confirm open recalls at NHTSA.gov.
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Not every 1997 Peterbilt 520 is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any Peterbilt dealer.