PACCAR 579, 567 — Fuel Filter Restriction

CONTROLS - Optional Gauges Transmission, Service Transmission (Allison only) Optional Gauges Listed here are gauges that may or may not be on your dashboard or the center instrument cluster. The Tag Axle Air Pressure gauge indicates the amount of air pressure in the tag axle suspension air bags. This icon may have a numeral above the image of the wheel to indicate which pusher axle if there are multiple pusher axles on the vehicle. 3 Illuminates when Allison 1000/2000 transmission requires service. For vehicles with a telematic navigation screen, optional gauges will be part of the screen functions.

Please refer to the navigation system supplement for further details about its functions and how it works. Turn Signal, Left Fuel Filter Restriction Axle, Pusher Air Pressure Blinks when the left turn signal or the hazard light function is operating. This gauge tells you the condition of the fuel filter by indicating the restriction from the fuel filter to the fuel pump. Check the engine manual for proper restriction. Replace the filter with an approved filter only. Do not substitute the wrong micron element. Turn Signal, Right The Pusher Axle Air Pressure gauge(s) indicate the air pressure in the pusher axle(s) suspension air bags.

This icon may have a numeral above the image of the wheel to indicate which pusher axle if there are multiple pusher axles on the vehicle. Blinks when the right turn signal or the hazard light function is operating. Axle, Tag Air Pressure Y53-6047-2HEN (03/18) 85