GMC Other Repair Question
Topics covered: Rebuilt.
Mileage: No information provided.
Mileage: No information provided.
Asked on June 3, 2006
Adjusting brake proportioner valve?
GMC Pick Up, probable 1977 front end, proportioner leaks; can it be adjusted? rebuilt? New lines and joints leak?? can't figure out why. any suggestions?
Answer
Replied on January 8, 2010
Check your flares, and check the valve itself for dirt or burrs.