Manac · Canada · Mod
Manac Semi-Trailer: Brakes
Affects Manac Semi-Trailer · 2004 — about 2K vehicles.
The hazard
On certain trailers equipped with a Sealco 110500, 110700 or 110800 Spring Brake Control Valve manufactured from June 1, 2003 to November 17, 2003, the brass control port cap assembly in the brake valve's control port may contain a defective rubber band check valve. The check valve may develop a hole allowing air to escape back out the control line exhausting at either the foot valve in the tractor or any in-line quick release valve. Correction: Dealer will replace the brass control port cap assembly.
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