# Service bulletin SB232016

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.

- Type: Service bulletin
- NHTSA id: 616186
- Published by NHTSA: 2001\-02\-14
- Manufacturer's number: SB232016
- Manufacturer's date: 2000\-12\-19
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

IN CERTAIN OPERATING ENVIRONMENTS \(PULLING HEAVY LOADS UP LONG, STEEP GRADES AT HIGH ALTITUDES DURING PERIODS OF HIGH AMBIENT TEMPERATURES\), CERTAIN MODEL CHASSIS EQUIPPED WITH EITHER AN E\-TECH 427 OR 460 ENGINE MAY EXPERIENCE ENGINE OVERHEATING. TO PROVIDE A MORE EFFICIENT COOLING SYSTEM AND PREVENT OVERHEATING, THE COOLING SYSTEM HAS UNDERGONE SEVERAL DESIGN CHANGES. \*TT

## 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

Engine, Cooling system

## Vehicles listed

- MACK CX

JSON: [/v1/bulletins/616186](/v1/bulletins/616186)

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