1974 HENDRICKSON HENDRICKSON Recall

Campaign:

79V253000 on 01/10/1980

Component:

Service brakes, air:supply:low pressure warning

Manufactured:

03/31/1973 - 09/30/1978

Affected:

1,246

Defect:

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".

Correction:

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.

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