9999 FERODO SPRING BRAKE CHAMBER Recall

Campaign:

91E041000 on 10/29/1991

Component:

Service brakes, air:drum:chamber

Manufactured:

05/31/1988 - 11/30/1989

Affected:

2,400

Defect:

The spring brake units can fail to release from the parking or applied position due to a misalignment between the spring plate and the spring housing. the condition can be either intermittent or permanent.

Consequence:

The failure to release from the applied position cancause wheel lockup, overheated brakes, increased stopping distances or coulddisable the school bus. this could present an unreasonable safety risk to theoccupants.

Correction:

Replace the spring brake unit.

Notes:

System: brakes.equipment description: model d3030p and model d3030t spring brake unitsinstalled on school buses.note: the spring brake units were originally produced by nuturn, which has beenbought by ferodo america. ferodo america, inc. is conducting this recall.

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