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Service bulletin SB-318

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10029251
Published by NHTSA2009-07-01
Manufacturer's numberSB-318
Manufacturer's date2009-04-09
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

MOTOR COACH INC.: A/C BELT SNUBBER SUPPORT BRACKET: THE FAILURE OF A/C BELT SNUBBER MOUNTING OR SUPPORT BRACKET AT THE 90 DEGREE BEND, IN SOME CASES RESULTING IN CONSEQUENTIAL DAMAGE TO THE BELTS. THIS IS THE RESULT OF FATIGUE AT THE BEND RADIUS DUE TO HIGH FREQUENCY VIBRATIONS. MODEL YEARS UNKNOWN. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories, Heating and air conditioning

Vehicles listed
UNKNOWN MANUFACTURER UNKNOWN MANUFACTURER

Listing a model year does not mean every vehicle of it is concerned: the document says which.