The problem
The brake proportioner valves may break and separate from the master cylinder. This would allow brake fluid to leak and would result in a partial loss of the brake system.
The fix
The dealer will inspect and, if necessary, replace all suspect valves.
Contacts
Vehicle description: passenger vehicles.System: service brakes; brake proportioner valves.Consequences of defect: since this is a dual brake system, part of the systemwill still work and allow the vehicle to be stopped, but over a greaterdistance. Partial loss of the braking system at a time when minimum stoppingdistance is required could result in a vehicle accident without prior warning.
What to do
- Check your VIN. Enter it at nhtsa.gov/recalls - it shows whether this recall applies to your vehicle and whether the repair has been done.
- Call a dealer. Any authorized Buick, Cadillac, Chevrolet dealer will do the repair free, whether or not you bought the vehicle there. Quote campaign 83V105000.
- Ask about parts and a loaner. If parts aren't available yet, ask what to do in the meantime.
- Keep your paperwork. If you paid for this repair before the recall, you may be able to get reimbursed - here's how.