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Vehicle recall 04V041000 · February 5, 2004

East Manufacturing Drop Deck, Frame Type and 4 more models

On certain trailers equipped with the sealco 508 rubber band check valve that is used on the 110502 brass control port cap assembly which is installed in the control port of…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
On certain trailers equipped with the sealco 508 rubber band check valve that is used on the 110502 brass control port cap assembly which is installed in the control port of sealco's 11050, 110700 and 110800 spring brake control valves may develop a hole.
Consequence
This can allow allowing supply air to escape back out the control line exhausting at either the foot valve in the tractor or any tractor in-line quick release valve.
Remedy
Sealco will provide a service bulletin and the 110502 replacement cap assemblies to customers free of charge. Owners should contact sealco at 1-602-253-1007 or east manufacturing at 1-330-325-9921.
Notes
Customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).

Recall details

NHTSA campaign
04V041000
Reported to NHTSA
February 5, 2004
Filed by
EAST MANUFACTURING CORP.
Vehicles potentially affected
913
Initiated by
the manufacturer
Components
Service brakes, air › Supply › Check valve
Recall 04V041000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your East Manufacturing been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A East Manufacturing dealer can also check your VIN. Recall repairs are free.