PE88074PE · Preliminary EvaluationClosed — No Recall
VARIOUS BRAKE PROBLEMS
NHTSA investigated and closed this without ordering a recall.
- Manufacturer
- Shyft Group
- Component
- SERVICE BRAKES, HYDRAULIC
- Opened
- Jun 30, 1988
- Closed
- Oct 24, 1988
- Model years
- 1978–1986
- Type
- Preliminary Evaluation
Summary
SUMMARY: RECENT ROCKWELL DEFECT REPORT IDENTIFIED THE FOLLOWING ADDITIONAL CONCERNS:A: INSUFFICIENT AIR PRESSURE DUE TO INADEQUATE AIR COMPRESSOR CAPCITY;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 ABOVE IDENTIFIED PROBLEMS MAY RESULT IN HEAT CHECKING AND CRACKING OF THE REAR BRAKE DRUMS.
Vehicles under investigation (9)
- SPARTAN SPARTAN1978
- SPARTAN SPARTAN1979
- SPARTAN SPARTAN1980
- SPARTAN SPARTAN1981
- SPARTAN SPARTAN1982
- SPARTAN SPARTAN1983
- SPARTAN SPARTAN1984
- SPARTAN SPARTAN1985
- SPARTAN SPARTAN1986
Documents
Source: NHTSA investigation PE88074. Investigations are NHTSA's review of a potential safety issue and may or may not result in a recall.