One problem related to brake loud noise has been reported for the 1997 GMC Sonoma. The most recently reported issues are listed below.
When driving and upon depressing brake pedal to make a normal stop there is a delay in braking, causing extended stopping distance, which resulted in a near accident. Also, noticed a loud noise coming from front brake. Recall number 97v146001 regarding a brake line, vehicle not included in recall due to VIN. Transmission was replaced at 62000 miles. Consumer states front brakes continue to make a loud noise when brakes are applied with heavy foot.