9999 SEALCO SEALCO Recalls (3)

Campaign:
75E029000 on 10/11/1979
Component:
Service brakes, air:supply
Affected:
10,000
Notes:
Ratio relay valve no 11-120 with movable seat part no 5006.possibility thatthe ratio relay valve in the anti-skid air brake system may fail in the rubberbond movable seat.if this failure occurs the spring brakes (parking brakes)will apply gradually until fully applied and remain so until defective seat isreplaced.(correct by inspecting and replacing with new type seats).

Campaign:
83E002000 on 01/31/1983
Component:
Electrical system:alternator/generator/regulator
Manufactured:
02/29/1980 - 04/30/1981
Affected:
4,416
Defect:
Certain air starter valves could contain an internal component (rubber shuttle) which may become damaged during normal operation. vehicle engine may start spontaneously. valve may exhaust slower than normal or may not exhaust all of the outlet pressure.
Correction:
Manufacturer will replace valve or provide a kit to rebuild the valve. manufacturer will not reimburse for repairs other than the faulty part.
Notes:
Vehicle category: trucks and buses.system: electrical; ignition; air starter valve.consequences of defect: engine may start without attendance and could cause anaccident or could be stolen.

Campaign:
83E004000 on 02/16/1983
Component:
Service brakes, air:supply:quick release valve
Affected:
88
Defect:
Emergency release brake valve may contain a defective rubber shuttle that deforms during operation.
Correction:
The valve will be replaced or a service kit will be sent free of charge.
Notes:
Vehicle category: trucks.system: braking; emergency release brake valves.consequences of defect: valve may exhaust too slowly or may fail to exhaust allof the outlet pressure, possibly resulting in brake lockup. loss of vehiclecontrol and an accident could follow.

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