2004 Freightliner Business Class M2 recall: brakes
⚠️ What's wrong
On certain trucks, incorrect springs were installed in the exhaust port of certain air management unit (amu) solenoid valves and they may not turn off after actuation.
💥 The risk
Depending on the function affected, this could result in rear suspension air pressure loss, malfunction of the engine brake, permanent engagement of the rear axle differential lock, or prevent engagement of the fifth wheel slide lock. If the warning indicators in the dash are not heeded, a crash could occur.
🔧 The fix
Dealers will replace the affected valves. The recall began june 29, 2004. Owners should contact freightliner at 1-800-547-0712.
- NHTSA campaign
- 04V220000
- Manufacturer recall #
- FL-423
- Manufacturer
- FREIGHTLINER LLC
- Vehicles affected
- 1,700
- Component
- SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
- Owner phone
- 1-800-547-0712
- NHTSA hotline
- 1-888-327-4236
- Owner letters mailed
- Jun 29, 2004
- Built
- Oct 7, 2003 – Feb 16, 2004
- Recall started by
- MFR
- Notes
- Freightliner recall no. FL-423.customers CAN also contact the national highway traffic safety administration's auto safety hotline at 1-888-DASH-2-DOT (1-888-327-4236).