# Service bulletin TSB180058\-042920

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: 10159531
- Published by NHTSA: 2019\-05\-13
- Manufacturer's number: TSB180058\-042920
- Manufacturer's date: 2019\-04\-29
- NHTSA component: ENGINE

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of belt noise and/or damage on certain engines installed in Tiffin Recreational Vehicles. Insufficient belt wrap around the air compressor pulley may result in belt noise/ squeal or belt damage on the secondary belt plane which wraps around the air compressor and the high mount refrigerant compressor. This communication is also the subject of NHTSA Recall 18E\-112. This is an update to a previously submitted communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159531-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159531-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS ISV5.0

JSON: [/v1/bulletins/10159531](/v1/bulletins/10159531)

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