Home > Gmc

1991 Gmc B6

Component

Vehicle Speed Control

Consequence of Defect

a manufacturing condition in the throttle body injector (tbi) unit might occur to allow the throttle cam lever to disengage from the throttle drive shaft.

Corrective Action

if the throttle cam lever disengages from the throttledrive shaft, the engine could go to wide open throttle without prior warning.this loss of vehicle accelerator control could result in a vehicle crash.

Recall Notes

replace the throttle drive cover assembly.

1990 Gmc B6

Component

Vehicle Speed Control

Consequence of Defect

a manufacturing condition in the throttle body injector (tbi) unit might occur to allow the throttle cam lever to disengage from the throttle drive shaft.

Corrective Action

if the throttle cam lever disengages from the throttledrive shaft, the engine could go to wide open throttle without prior warning.this loss of vehicle accelerator control could result in a vehicle crash.

Recall Notes

replace the throttle drive cover assembly.

1990 Gmc B6

Component

Parking Brake:Driveline

Consequence of Defect

the parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

Corrective Action

driveline lock-up could cause loss of vehicle controlwithout prior notice, and result in a vehicle crash.

Recall Notes

remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.

1989 Gmc B6

Component

Vehicle Speed Control

Consequence of Defect

a manufacturing condition in the throttle body injector (tbi) unit might occur to allow the throttle cam lever to disengage from the throttle drive shaft.

Corrective Action

if the throttle cam lever disengages from the throttledrive shaft, the engine could go to wide open throttle without prior warning.this loss of vehicle accelerator control could result in a vehicle crash.

Recall Notes

replace the throttle drive cover assembly.

1989 Gmc B6

Component

Parking Brake:Driveline

Consequence of Defect

the parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

Corrective Action

driveline lock-up could cause loss of vehicle controlwithout prior notice, and result in a vehicle crash.

Recall Notes

remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.

1988 Gmc B6

Component

Parking Brake:Driveline

Consequence of Defect

the parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

Corrective Action

driveline lock-up could cause loss of vehicle controlwithout prior notice, and result in a vehicle crash.

Recall Notes

remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.

1987 Gmc B6

Component

Parking Brake:Driveline

Consequence of Defect

the parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

Corrective Action

driveline lock-up could cause loss of vehicle controlwithout prior notice, and result in a vehicle crash.

Recall Notes

remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.

1986 Gmc B6

Component

Parking Brake:Driveline

Consequence of Defect

the parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

Corrective Action

driveline lock-up could cause loss of vehicle controlwithout prior notice, and result in a vehicle crash.

Recall Notes

remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.