Recalls for 1988 White Gmc Wcm

DEFECT #1 - SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:LINES AND FITTINGS

Posted on: 1998-10-15
Description
Vehicle description: class 8 heavy duty trucks.  The air suspension control valve supply line was not plumbed through an air pressure protection valve.  In the event of a failure, there would be loss of air pressure in the 'b' system air reservoir that supplies air pressure for the front steer axle brakes.

Consequence
This condition would result in increased stopping distances.

Corrective Action
Dealers will install the necessary air pressure protection valve.

Notes
Owner notification began during november 1998.  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 volvo trucks at 1-800-528-6586.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).

DEFECT #2 - PARKING BRAKE:DRIVELINE:AIR

Posted on: 1991-05-31
Description
The bendix mv-2 parking control valve installed in vehicles without a desiccant style air dryer may experience a seal failure.  This failure may allow the valve to move from the park position to the release position, allowing the parking brakes to release.

Consequence
Release of the parking brakes while the vehicle isunattended or without warning could result in a vehicle accident.

Corrective Action
Rebuild the bendix mv-2 parking control valve.

Notes
System: parking control valve.vehicle description: heavy trucks 33,000 lbs.  Gvwr and greater.

DEFECT #3 - ELECTRICAL SYSTEM:WIRING

Posted on: 1988-12-01
Description
Grounding of the ac power source may be defective (or there may be no electrical grounding at the ac power source).

Consequence
Anyone coming into physical contact with the truck whileit is connected to a non ground ac power source may receive an electrical shocksufficient to cause personal injury or death.

Corrective Action
Rewire engine block heater to assure proper grounding.

Notes
System: electrical.vehicle description: heavy duty trucks.

DEFECT #4 - SUSPENSION:MULTIPLE AXLE

Posted on: 1988-07-21
Description
Axle seat used on rear axle may be too hard (brittle) and could crack.

Consequence
The affected axle would be loose, affecting steering anddirectional control, which could result in loss of vehicle control and anaccident.

Corrective Action
Replace suspect axle seat.

Notes
System: rear axle seat.vehicle description: heavy duty trucks 33,000 lbs.  Gvwr and greater.