Preliminary Evaluation · Closed
VARIOUS BRAKE PROBLEMS
Action number
PE88076
Opened
Jun 30, 1988
Closed
Oct 19, 1988
Outcome
Closed without recall
Manufacturer: SUTPHEN CORP.
What NHTSA is examining
Summary: recent rockwell defect report identified the following additional concerns:a: insufficient air pressure due to inadequate air compressor capacity;b: air horn plumbed into air system without pressure protection valve;c: brake imbalance caused by brake proportioning valves which reduce the front brake pressures. The problems identified above may result in heat checking and cracking of the rear brake drums.
Vehicles under investigation
1978 Sutphen Sutphen1979 Sutphen Sutphen1980 Sutphen Sutphen1981 Sutphen Sutphen1982 Sutphen Sutphen1983 Sutphen Sutphen1984 Sutphen Sutphen1985 Sutphen Sutphen1986 Sutphen Sutphen
Source: NHTSA Office of Defects Investigation records, updated daily. An investigation is not a determination that a defect exists; many probes close without a recall.