9999 WEBB BRAKE DRUM Recalls (2)
- Campaign:
- 98E015000 on 05/13/1998
- Component:
- Service brakes, hydraulic:foundation components:drum:drum
- Manufactured:
- 12/31/1992 - 03/29/1998
- Affected:
- 1,057
- Defect:
- Equipment description: steering axle brake drums, part number 61958b, used in an axle assembly combination supplied solely to blue bird body company. the brake drum is oversized in the area above the mounting flange and prevents the disc wheel from mounting flat against the brake drum.
- Consequence:
- Prolonged exposure can lead to disc wheel cracking and subsequent disc wheel failure. this could also lead to loose flange nuts and loss of a wheel if not detected.
- Correction:
- Webb wheel will replace both steering axle brake drums. also, if contact is present between the brake drum and the disc wheel, both steering axle brake drums and both steering axle disc wheels will be replaced.
- Notes:
- Owner notification began may 29, 1998. owners who take their buses to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact webb wheel at 1-800-633-3256.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
- Campaign:
- 00E070000 on 11/21/2000
- Component:
- Wheels:center section
- Manufactured:
- 04/13/2000 - 06/06/2000
- Affected:
- 42,775
- Defect:
- Equipment description: hubs for truck trailer disc wheels with direct-machined abs of part number 2023a manufactured between april 14 and june 7, 2000. the abs teeth are machined into the inner face of the hub bore, and the teeth are machined off center from the center of the hub. the speed sensor of the abs system reads the tooth pattern and sends erroneous signals to the abs control unit.
- Consequence:
- This condition can cause the abs system to cycle rapidly and extend stopping distances during an abs controlled brake application possibly resulting in a vehicle crash.
- Correction:
- Webb wheel will notify its customers to inspect for defective hubs and will replace the hubs free of charge.
- Notes:
- Owner notification began november 21, 2000.owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact webb wheel at 1-800-633-3256.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
9999 WEBB BRAKE DRUM TSB
- Bulletin:
- TSB-10-001
- Component:
- 044200 service brakes, air:drum:drum
- Summary:
- Webb wheels brake drum service campaign: see document search button for owner letter. should be used only in standard duty, van tractor trailer or flatbed combinations. the version of this drum are longer being recommended for use on liqui
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