The defect
THE NYLON HOSE THAT CONNECTS THE QUICK RELEASE VALVE AND THE ANCHOR COUPLING AT THE REAR OF THE FRONT AXLE WAS FOUND TO BE EXCESSIVELY LONG. WHEN THE BUS EXECUTES EXTREME RIGHT AND LEFT TURNS, THE CURBSIDE NYLON BRAKE HOSE INTERFERES WITH THE TIRE. THIS INTERMITTENT INTERFERENCE WILL CAUSE THE NYLON HOSE TO CHAFE AND ULTIMATELY FAIL.
The remedy
DEALER WILL INSPECT THE NYLON HOSE FOR CHAFING OR INTERFERENCE AND, IF NECESSARY, REROUTE THE BRAKE HOSE. THIS WILL BE DONE AT NO COST TO OWNER.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|
Components: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
Other service brakes, air recalls in 1979
19 of the 274 recall campaigns reported to NHTSA in 1979 concerned the service brakes, air; GRUMMAN FLXIBLE CORP. filed 42 campaigns in all.
| 79V253000 15 Nov 1979 | HENDRICKSON MFG. CO. |
| 79V248000 15 Nov 1979 | GRUMMAN FLXIBLE CORP. |
| 79V241000 2 Nov 1979 | GRUMMAN FLXIBLE CORP. |
| 79V211000 18 Sept 1979 | INTERNATIONAL HARVESTER |
| 79V216000 13 Sept 1979 | PACCAR, INCORPORATED |
| 79V188000 15 Aug 1979 | TRANSPORTATION MFG. CORP. |
| 79V187000 8 Aug 1979 | GENERAL MOTORS CORP. |
| 79V178000 1 Aug 1979 | MOTOR COACH IND., INC. |
NHTSA recalls (public domain) · all recalls of 1979