If Chassis Cab models and Pickup models configured
with optional B20 capability are operated with greater
than 5% levels of Biodiesel, the oil change interval must
not exceed 12,500 miles (20 000 km) under any circum-
stances. See the Fuel Requirements section for more
information regarding operation of Chassis Cab models
and Pickup models configured for use with Biodiesel
blend (B6-B20) fuel meeting ASTM specification D-7467.
Perform Service Indicator — Cummins Diesel
Your vehicle will require emissions maintenance at a set
interval. To help remind you when this maintenance isdue, the Electronic Vehicle Information Center (EVIC) or
Driver information Display (DID) will display “Perform
Service”. When the “Perform Service” message is dis-
played on the EVIC/DID it is necessary to have the
emissions maintenance performed. Emissions mainte-
nance may include replacing the Closed Crankcase Ven-
tilation (CCV) filter element. The procedure for clearing
and resetting the “Perform Service” indicator message is
located in the appropriate Service Information.
382 MAINTENANCE SCHEDULE
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.
* Inspect the front and rear axle surfaces every 20,000
miles (32,000 km). If gear oil leakage is suspected, check
the fluid level. If using your vehicle for police, taxi, fleet,
off-road or frequent trailer towing change the axle fluid
every 20,000 miles (32,000 km).
** Under no circumstances should oil change intervals
exceed 15,000 miles (24 000 km) or six months or 500
Hours, whichever comes first.
**** Under no circumstances should the air cleaner filter
element exceed 30,000 miles (48,000 km) or 24 months,
whichever comes first.CAUTION!
***The manufacturer highly recommends that all
cooling system service, maintenance, and repairs be
performed by your local authorized dealer.
WARNING!
•You can be badly injured working on or around a
motor vehicle. Do only service work for which you
have the knowledge and the right equipment. If
you have any doubt about your ability to perform a
service job, take your vehicle to a competent me-
chanic.
• Failure to properly inspect and maintain your ve-
hicle could result in a component malfunction and
effect vehicle handling and performance. This
could cause an accident.
8
MAINTENANCE SCHEDULE 389
Materials Added To..................... .339
Pressure Warning Light ...............197 , 200
Recommendation ...................... .337
Synthetic ............................ .339
Viscosity ............................ .338
Overdrive .............................. .296
Overdrive OFF Switch ..................... .296
Perform Service Indicator, Reset ...............382
Power Take-Off Adapter ...................... .303
Take-Off Operation ..................... .303
PTO (Power Take-Off) ..................... .303
Radiator Cap (Coolant Pressure Cap) ...........355
Remote Starting System .....................170
Resetting Perform Service Indicator ............382Seat Belts
Reminder ............................ .190
Security Alarm .......................... .194
Selection Of Coolant (Antifreeze) ..............374
Shifting ............................... .284
Automatic Transmission ..................286
Manual Transmission ....................298
Signals, Turn ........................... .222
Speed Control Accel/Decel .......................... .180
Cancel .............................. .178
Speed Control (Cruise Control) ................176
Starting ............................... .260
Automatic Transmission ..................261
Engine Block Heater .................265 , 280
Manual Transmission ....................261
Remote ............................. .170
Starting Procedures ....................... .260
400 INDEX - RAM 2500 / 3500 / 4500 / 5500
