Recalls for 1991 Pierce Fire Truck

DEFECT #1 - SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE

Posted on: 2001-04-26
Description
Vehicle description: rear wheel drive fire trucks equipped with midland two-way check valves.  These valves can deteriorate in high cycle use, and do not meet the sae j1410 recommendations for pneumatic valves designed to operate in commercial air brake vehicles.

Consequence
The loss of air can cause a loss of front brakes increasing the potential for a vehicle accident.

Corrective Action
Dealers will replace the double check valves on these vehicles.  Owner notification began may 14, 2001.  Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact pierce at 1-888-974-3723.

Notes
Pierce recall number 74b18.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).

DEFECT #2 - STEERING:HYDRAULIC POWER ASSIST:PUMP

Posted on: 1992-04-23
Description
The key which secures the power steering pump mating gear to the pump drive shaft breaks and falls out, allowing the mating gear to spin on the shaft of the power steering pump, resulting in a loss of power steering.

Consequence
The loss of power steering without prior warning causesan increased effort to steer the vehicle, and if the vehicle is in motion whenpower steering loss occurs, could result in a vehicle accident.

Corrective Action
Inspect the gear, key, keyway, and pump shaft and replace any damaged or worn parts.  Install new key and shaft collar with set screw and tighten to 10 foot pounds.

Notes
System: power steering.vehicle description: fire trucks equipped with detroit diesel engines and avickers v20 power steering pump.note: retrofit kits will be shipped to dealers beginning may 15, 1992.  Untilretrofit kits have been installed, customers are advised to inspect units toensure key is still intact.