Knight Trailer. Published by Transport Canada as 1989055 on 21 April 1989. System: Brakes.
What the notice says The midland brake valves installed on these units may experience hydrogen enbrittlement and possible fracturing of the screws that hold the valve sections together resulting in loss of air pressure. loss of air pressure could cause full of partial loss of service brakes, increased stopping distances and possible …
Is your vehicle included? Check with your VIN at Transport Canada, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What Transport Canada published
- Recall number
- 1989055
- Recall date
- 21 April 1989
- Make
- Knight
- Models
- Trailer
- Model years
- 1988 to 1989
- Vehicle class
- Heavy Trailer
- System
- Brakes
- Raised as
- Safety TC
- Vehicles affected
- 52
- Register
- Canada — Transport Canada, Vehicle Recalls Database
THE MIDLAND BRAKE VALVES INSTALLED ON THESE UNITS MAY EXPERIENCE HYDROGEN ENBRITTLEMENT AND POSSIBLE FRACTURING OF THE SCREWS THAT HOLD THE VALVE SECTIONS TOGETHER RESULTING IN LOSS OF AIR PRESSURE. LOSS OF AIR PRESSURE COULD CAUSE FULL OF PARTIAL LOSS OF SERVICE BRAKES, INCREASED STOPPING DISTANCES AND POSSIBLE APPLICATION OF THE TRAILER SPRING BRAKES. APPLICATION OF THE EMERGENCY SPRING BRAKES COULD RESULT IN LOSS OF CONTROL. CORRECTION: TRAILERS WILL BE INSPECTED AND VALVES WITH SUSPECT DATE CODES WILL BE REPLACED.
Transport Canada recorded this notice in capitals, as its system did for many years. It is reproduced here exactly as published.
The wording above is the department's own, as it stood in the monthly file this site last read. Vehicle counts are the sum of the counts published for each make and model the recall covers. To act on a recall, use the official notice: Transport Canada recall 1989055.
Knight elsewhere in this register
Knight is named on 2 notices in the copy of Transport Canada’s register held here, of which these are the nearest to this one in time.
The same system: Brakes
791 notices in this register name Brakes. A defect that keeps returning under one heading is worth reading as a group rather than one notice at a time.
- 1989030 · 7 March 1989 · Wagoneer, Comanche, Cherokee · Brakes
- 1989028 · 6 March 1989 · 6000 · Brakes
- 1989025 · 2 March 1989 · 9670, 9700 · Brakes
- 1989026 · 2 March 1989 · R100rs, R65ls, R100gs · Brakes
- 1989024 · 28 February 1989 · Sidecar (tle), Sidecar (rle) · Brakes
- 1989018 · 15 February 1989 · Semi-Trailer · Brakes
Reading this against the source
This page is what Transport Canada published in the Vehicle Recalls Database, kept as it was read. The authority publishes only its current wording; if a notice is rewritten, the earlier version disappears there and is kept here. The whole register is at /canada, and how the reading is done is set out in the method.
What the words on this notice mean — the system it is filed under, and what the filing type says about who found the fault.
This register keeps an index of its own for every maker and every year it holds: 178 Canadian vehicle recalls filed in 1989.
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