Auxiliary Heater; Fluid Replacement; Engine Lubricating Oil; Power Steering Fluid - MCi J4500 Operator's Manual

AUXILIARY HEATER

The auxiliary heater is located in the left side of the
engine compartment, rearward of the yellow remote
electrical control box. The auxiliary heater turns on
automatically to augment the temperature of engine
coolant for coach heating.
To preheat the coolant or test the heater, turn the
auxiliary heater ON with the AUX HEAT switch.
Auxiliary Heater Diagnostics
The operator can identify function and component
diagnostics by checking the light bars or number
display located on the front of the control module.
Figure 98. Proheat Control Module

FLUID REPLACEMENT

Engine Lubricating Oil

The engine oil dipstick is accessible through the
rear engine access door. Always check the engine oil
level with:
• the engine at normal operating
temperature
• the coach on level ground
• the engine OFF.
Leave the engine stopped for at least 5 minutes.
Do not overfill.
June 2016
Withdraw the dipstick and wipe it clean. Insert the
dipstick fully, then withdraw it and read the oil level. If it
is down to LOW mark, add sufficient oil to bring the
level up to FULL mark.

Power Steering Fluid

The coach has a power steering fluid reservoir in
the engine compartment. The reservoir has a filler
nozzle, sight glass and vent tube. The correct cold
level is at the center of the sight glass. (Use the
dipstick in the fill cap for hot level checks.) Check levels
periodically and add if necessary.
Do not spill oil on the fan belts. The oil will
cause the belt material to degrade rapidly and
break.
Automatic Transmission Fluid - Allison
Refer to the heading "Transmission Operation" -
Allison Automatic Transmission - Transmission Fluid
Level Checks, for the dipstick location and
transmission fluid specifications.
Windshield Washer Reservoir
The windshield washer reservoir is in the front
service compartment ( Figure 99 ).
Figure 99. Washer Fluid Reservoir
69