Service bulletins for the 1999 Mack CH
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.
28 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| KC-714 | 2022-06-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit |
|---|---|
| SL273001 | 2000-12-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. SUBJECT REGARDING AN AMBIENT AIR TEMPERATURE SENSOR PHASED INTO PRODUCTION TO CORRECT AN ENGINE MISFIRE CONDITION THAT MAY BE EXPERIENCED WITH CERTAIN E-TECH ENGINES. *TT |
| SB541002 | 1999-04-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). SUBJECT ON INSTALLATION OF NEW-STYLE HEIGHT CONTROL VALVE FOR AL SUSPENSION ORIGINALLY BUILT WITH HEIGHT CONTROL VALVE AND SEPARATE PILOT DUMP VALVE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.