# Service bulletin IS\-19910H

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: 10176973
- Published by NHTSA: 2020\-07\-02
- Manufacturer's number: IS\-19910H
- Manufacturer's date: 2020\-06\-17
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT; ENGINE

## NHTSA's summary

ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR Revision H: Parts obsolete: 050303, 391028, 562112 Replaced by: 830165 24V RED TELLTALE LIGHT MODULE QTY: 1x 381594 BRACKET, TELLTALE QTY:1x 561540 TAB TERMINAL, ST,16\-14,1/4 INS QTY: 2x New holes drilled for cooling pack relocation

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176973-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176973-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Equipment and accessories

## Vehicles listed

- 2010 to 2018 PREVOST H3\-41
- 2010 to 2018 PREVOST H3\-45

JSON: [/v1/bulletins/10176973](/v1/bulletins/10176973)

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