One problem related to steering gear box has been reported for the 1998 Chevrolet Astro. The most recently reported issues are listed below.
Due to defective design of steering gear box nut broke, causing the steering mechanism to lock up and not being able to steer the vehicle, which may result in an accident. Due to this design defect, it causes the steering gear and pump to be replaced, and could cause damage to the brake hydroboost. Please provide further information.