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September 19, 2019 Service bulletin

Blue Bird has determined that the CIT brand air conditioning relays should be replaced with Song Chuan...

Blue Bird technical service bulletin S19AG for 2015-2019 Blue Bird All American, 2015-2019 Blue Bird Vision and 2020-2021 Blue Bird All American School Bus and others.

Bulletin number
S19AG
Component
Electrical system
Summary
Blue Bird has determined that the CIT brand air conditioning relays should be replaced with Song Chuan brand relays (PN 00079077). Additionally, the wiring harness (PN 10023917) connected to the relay base should be inspected for any sign of damage and replaced, if necessary. Blue Bird will provide parts at no cost and will reimburse the repair time in accordance with the information presented below. Affected Units: This service bulletin includes: Certain model year 2015-2021 Vision School Buses manufactured from August 5, 2014 through September 11, 2019. Certain model year 2016-2021 All American School Buses manufactured from May 8, 2015 through September 8, 2019. Certain model year 2016-2021 Vision Non-school Buses manufactured November 20, 2014 through August 10, 2019. Certain model year 2015-2020 All American Non-school Buses manufactured September 15, 2014 through September 7, 2019. A separate printout is included which lists all of your buses that are affected by this service bulletin

Owners of these vehicles have filed 2 complaints in the electrical category.

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