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.

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)
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The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

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