GM Service Manual Online
For 1990-2009 cars only

The flexible hydraulic brake hoses transmit hydraulic pressure from the steel brake lines on the body to the calipers. Inspect the hoses at least twice a year.

Inspect the brake hoses for the following conditions:

   • 
Object Number: 179423  Size: SH
  • Road hazard damage
  •    • 
  • Cracks
  •    • 
  • Chafing of the outer cover
  •    • 
    Object Number: 179424  Size: SH
  • Leaks
  •    • 
  • Blisters
  •    • 
  • Proper routing and mounting
  • Use a light and a mirror for an adequate inspection. Replace any hoses with any of the above conditions.