The problem
Interference between steering gear sector shaft and the frame rail through hole can cause sector shaft wear and can weaken shaft cause it to break.
The risk
Shaft failure during vehicle operation would cause loss of steering control and a crash without prior warning.
The fix
Enlarge frame rail through hole to prevent interference: replace steering gear sector shaft if scored.
Contacts
System: steering gear sector shaft. Vehicle description: heavy-duty trucks.
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 Mack dealer will do the repair free, whether or not you bought the vehicle there. Quote campaign 90V052000.
- 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.