The M3 Maintenance Interval Operations table lists
all maintenance operations that are to be performed
at the M3 maintenance interval. Maintenance opera-
tion numbers are reference numbers used to help
you find detailed instructions in this manual on the
maintenance operations to be performed. Perform all
M1 and M2 maintenance interval operations at the
M3 maintenance interval.
Maintenance
Operation Number
M3 Maintenance Interval Operations for Service Schedules I and II
Check
00–05
Perform All M1 Operations
00–06
Perform All M2 Operations
09–01
Air Cleaner Inspection
20–02
Radiator Pressure-Flushing and Coolant Change
25–03
Fluid Change, Hydraulic Clutch Control
25–04
Clutch Replacement, Detroit
™
Automated Transmissions
*
26–01
Detroit
™
Automated Transmission Fluid Change and Magnetic Plug Cleaning
†
26–04
Eaton Fuller Transmission Fluid Change and Magnetic Plug Cleaning
‡
35–01
Axle Lubricant and Filter Change, and Magnetic Strainer Cleaning
42–02
Bendix Air Dryer Desiccant Replacement
42–09
Bendix E–6 Foot Control Valve Inspection and Lubrication
42–10
WABCO System Saver Air Dryer Desiccant Cartridge Replacement
46–02
Power Steering Fluid and Filter Change
46–07
Bellows Replacement, Rack and Pinion Steering Gear
47–05
LNG Vacuum Integrity Testing
49–02
CAT CGI Bellows Replacement
*
Replace the clutch assembly for Detroit automated transmissions at 750,000-mile (1 200 000-km) intervals.
†
For Schedule II vehicles with Detroit automated transmissions spec’d to haul more than 80,000 lb (36 000 kg), change the transmission fluid at 200,000-mile
(322 000-km) intervals.
‡
For Eaton Fuller transmissions, fluid change intervals are extended to 500,000 miles (800 000 km) on vehicles filled with synthetic transmission fluid.
Table 7, M3 Maintenance Interval Operations for Service Schedules I and II
General Information
00
M3 Maintenance Interval Operations: 00–07
Cascadia Maintenance Manual, August 2015
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