# Service bulletin 622

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: 622553
- Published by NHTSA: 2001\-10\-19
- Manufacturer's number: 622
- Manufacturer's date: 2001\-07\-11
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

HEATERS USED BETWEEN 8/25/99 AND 12/15/99 DO NOT HAVE AN ACCESS PANEL MADE INTO THE HEATER TO ALLOW SERVICING FROM THE FRONT OF THE BUS. SERVICING THE INSIDE OF THESE HEATERS MUST BE DONE FROM THE INSIDE OF THE BUS. THIS BULLETIN WILL SHOW HOW TO ACCESS THE HEATER MOTORS, BLOWER WHEELS AND OTHER COMPONENTS INSIDE THE HEATER. \*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

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- THOMAS TL960

JSON: [/v1/bulletins/622553](/v1/bulletins/622553)

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