GMC · Canada · Crit
GMC Topkick C6500, Topkick C8500 +1 more: Brakes
Affects GMC Topkick C6500, Topkick C8500, Topkick C7500 · 1986–1988 — about 3 vehicles.
The hazard
On certain vehicles, the front air brake hoses can contact the inner fender extensions and eventually chafe through to the point of rupture. This would result in a partial brake system failure and increased stopping distances, which could result in a vehicle crash. Correction: A portion of the inner fender extension will be cut out and the front brake hoses will be inspected for chafing and replaced if necessary.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational