Brake Differential Proportional Valve problems of the 1999 GMC Safari
One problem related to brake differential proportional valve has been reported for the 1999 GMC Safari.
The most recently reported issues are listed below.
1 Brake Differential Proportional Valve problem
Failure Date: 09/02/2002
Proportioner valve caught on fire, cause unknown. Please describe details.
Other Service Brakes related problems of the 1999 GMC Safari