Recalls for 1978 Hendrickson Hendrickson

DEFECT #1 - SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING

Posted on: 1980-01-11
Description
The low air pressure switches used on some of the involved vehicles have a manufacturing tolerance that issues a warning only when the pressure drops a few pounds per square inch below 60 psi.  As a result, they do not comply with federal motor vehicle safety standard no.  121, air brake systems.

Consequence


Corrective Action
If the owner, upon receipt of a post card, indicates a compliance, the dealer will reimburse owner $5.00 for cost of test.  If owner indicates a non-compliance, the dealer will send two replacement switches and a check for $5.00 to cover both the system test and switch replacement.

Notes
Vehicle description: trucks, drill rigs, crane carriers, and school buses.system: service brakes; air pressure warning switches.consequences of defect: if the low air pressure warning switch is not activatedat precisely 60 psi, the driver would not be forewarned of potential loss ofbraking action.  This could contribute to a vehicle accident.