Chrysler · Canada · Mod
Chrysler Imperial: Brakes
Affects Chrysler Imperial · 1974–1975 — about 1K vehicles.
The hazard
On certain vehicles, the tandem power brake booster diaphragm can become brittle, due to high temperatures associated with close proximity to the exhaust manifold, causing a vacuum leak failure and resulting in reduced booster effectiveness.
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