# Service bulletin AR888

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: 11013897
- Published by NHTSA: 2025\-02\-06
- Manufacturer's number: AR888
- Manufacturer's date: 2025\-02\-06
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Step 1: Add 5/16" ring terminal to Viair compressor power wires. See Figure 1. Install ring terminal, Typ. Both compressors. Loom wires together. Step 2: Drill mounting holes in compressor box tray. Follow instructions on paper template to drill holes in compressor box tray. Step 3: Install isolators on tray. Discard isolators that come with Viair compressor. Use isolator \#2002833 \(Figure 2\) to mount Viair compressors to box tray \(8\-PLCS\). Step 4: Install air filters on compressors. Discard plastic ring on air filters. Use Teflon tape on threads. Install filters on compressors \(Figure 3\). Step 5: P\-Clamp Securement. Through bolt 7/8" P\-clamps \(qty 2\) to box tray to secure "T" fitting \(Figure 4\). Step 6: Power wires. Wire Viair compressors identical to the Thomas compressor wiring.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11013897-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11013897-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2019 ARBOC SPECIALTY VEHICLES SPIRIT OF MOBILITY
- 2022 to 2024 ARBOC SPECIALTY VEHICLES SPIRIT OF MOBILITY

JSON: [/v1/bulletins/11013897](/v1/bulletins/11013897)

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