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Service bulletins for the 2006 Mack CHN

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.

57 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Cooling system are shown. Show all

Bulletins, newest first
SB-26-10182009-05-22. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. MACK TRUCKS: MERITOR WABCO AIR COMPRESSOR, CONVENTIONAL REPAIR FOR CERTAIN AIR COMPRESSOR FAILURES, SUCH AS FAILURE OF COMPRESSOR TO PUMP, SLOW AIR SYSTEM PRESSURE BUILD UP TIME, INTERMITTENT COMPRESSOR PUMPING, ETC, WAS TO REPLACE COMPRESSOR CYLINDER HEAD. MODEL YEARS UNKNOWN. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.