2018 Ram 4500 Chassis Cab transmission

Heavy Duty Use Of The Vehicle
Change engine oil at 4,000 miles (6,500 km)
or 350 hours of engine run time if the vehicle
is operated in a dusty and off road environ-
ment or is operated predominately at idle or
only very low engine RPM’s. This type of
vehicle use is considered Severe Duty.
SCHEDULED MAINTENANCE — 6.7L
CUMMINS DIESEL ENGINE
CAUTION!
Failure to perform the required mainte-
nance items may result in damage to the
vehicle.
At Each Stop For Fuel
Check the engine oil level at least 30 minutes
after a fully warmed engine is shut off.
Checking the oil level while the vehicle is on
level ground will improve the accuracy of the
oil level reading. Add oil only when the level
is at or below the ADD or MIN mark. Once A Month
• Inspect the batteries, and clean and
tighten the terminals as required.
• Check the fluid levels of the coolant reser- voir, brake master cylinder, and automatic
transmission (if equipped), and add as
needed.
At Each Oil Change
• Change the engine oil filter.
• Inspect the exhaust system.
• Inspect engine air filter.
• Check the coolant level, hoses, and clamps.
• Inspect front end, and lubricate — If equipped with serviceable fittings.
• Lube the front drive shaft fitting (4X4 mod- els only).
Inspection and service should also be per-
formed anytime a malfunction is observed or
suspected. Retain all receipts.
Oil Change Indicator System —
Cummins Diesel
Your vehicle is equipped with an engine oil
change indicator system. This system will
alert you when it is time to change your
engine oil by displaying the words “Oil
Change Due” in your instrument cluster dis-
play. The oil change reminder will remind the
owner to change the engine oil every
15,000 miles or 500 hours, whichever
comes first, except for the Chassis Cab mod-
els and Pickup models configured with op-
tional B20 capability that are using B20 bio-
diesel, which are 12,500 miles or 400 hours,
whichever comes first. Failure to change the
engine oil per the maintenance schedule can
result in internal engine damage.
Replace the engine oil and oil filter every
15,000 miles (24,000 km) or six months, or
sooner if prompted by the oil change indicator
system. Under no circumstances should oil
change intervals exceed 15,000 miles
(24,000 km) or six months, whichever comes
first.
SERVICING AND MAINTENANCE
178

Mileage or time passed (whichever comes first):7,500
15,000
22,500
30,000
37,500
45,000
52,500
60,000
67,500
75,000
82,500
90,000
97,500
105,000
112,500
120,000
127,500
135,000
142,500
150,000
Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
Or Kilometers:
12,000
24,000
36,000
48,000
60,000
72,000
84,000
96,000
108,000
120,000
132,000
144,000
156,000
168,000
180,000
192,000
204,000
216,000
228,000
240,000
Inspect wheel bearings. XX XX X
Additional Maintenance
Replace cabin air filter. XXX XX X
Replace engine fuel filter element. X X X X X X X X X X
Replace chassis mounted fuel filter element. X X X X X X X X X X
Inspect the front and rear axle surfaces. 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. *
Inspect the transfer case fluid (4x4), change
for any of the following: police, taxi, fleet, or
frequent trailer towing. XX XX X
Change the transfer case fluid (4x4). XX
Change automatic transmission fluid
(AS69RC transmission only). XX XX X
Change the automatic transmission fluid and
sump filter (AS69RC transmission only). XX
Change automatic transmission fluid and fil-
ter(s) if using your vehicle for any of the fol-
lowing: police, fleet, or frequent trailer towing
(68RFE transmission only). XX
181

Mileage or time passed (whichever comes first):7,500
15,000
22,500
30,000
37,500
45,000
52,500
60,000
67,500
75,000
82,500
90,000
97,500
105,000
112,500
120,000
127,500
135,000
142,500
150,000
Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
Or Kilometers:
12,000
24,000
36,000
48,000
60,000
72,000
84,000
96,000
108,000
120,000
132,000
144,000
156,000
168,000
180,000
192,000
204,000
216,000
228,000
240,000
Change automatic transmission fluid and fil-
ter(s). X
Change the manual transmission fluid if using
your vehicle for any of the following: police,
fleet, or frequent trailer towing. XX
Replace Crankcase Ventilation Filter (CCV). X X
Flush and replace power steering fluid. X
Flush and replace engine coolant. *** X
Adjust valve lash clearance. X
Inspection and service should also be per-
formed anytime a malfunction is observed or
suspected. Retain all receipts.
* 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.
*** The manufacturer highly recommends
that all cooling system service, mainte-
nance, and repairs be performed by your
local authorized dealer.
**** Under no circumstances should the
air cleaner filter element exceed
30,000 miles (48,000 km) or 24 months,
whichever comes first.SERVICING AND MAINTENANCE
182

ENGINE COMPARTMENT
6.4L Engine
1 — Coolant Pressure Bottle
2 — Transmission Dipstick
3 — Engine Oil Fill
4 — Engine Oil Dipstick
5 — Brake Fluid Reservoir
6 — Aux Power Distribution Center (Fuses)7 — Battery
8 — Power Distribution Center (Fuses)
9 — Washer Fluid Reservoir
10 — Power Steering Fluid Reservoir
11 — Air Cleaner Filter
SERVICING AND MAINTENANCE
184

6.7L Diesel Engine — Six-Speed AS69RC HD (3500/Chassis Cab Models)
1 — Battery
2 — Engine Coolant Reservoir
3 — Engine Oil Fill
4 — Engine Oil Dipstick
5 — Automatic Transmission Dipstick
6 — Brake Fluid Reservoir7 — Aux Power Distribution Center
8 — Power Distribution Center
9 — Washer Fluid Reservoir
10 — Power Steering Fluid Reservoir
11 — Air Cleaner Filter
185

Chassis
ComponentFluid, Lubricant, or Genuine Part
Automatic Transmission (6.4L Engine with 66RFE Transmission)
(For Diesel Engine See Diesel Section Below) Use only ATF+4 Automatic Transmission Fluid. Failure to use ATF+4 fluid
may affect the function or performance of your transmission.
We recommend Mopar ATF+4 fluid.
Automatic Transmission (6.4L Engine with AS66RC Transmission) Use only Mopar ASRC Automatic Transmission Fluid or equivalent. Failure to use the proper fluid may affect the function or performance of
your transmission.
Transfer Case We recommend you use Mopar BW44-44 Transfer Case Fluid.
Front and Rear Axle Fluid (4500/5500) We recommend you use GL-5 SAE 75W-90 Synthetic (MS-9763).
Limited slip additive is not required for Limited-Slip Rear Axles.
Brake Master Cylinder We recommend you use Mopar DOT 3 and SAE J1703.
If DOT 3 brake fluid is not available, then DOT 4 is acceptable.
Power Steering Reservoir We recommend you use Mopar Power Steering Fluid +4,
Mopar ATF+4 Automatic Transmission Fluid.
FLUIDS AND LUBRICANTS — 6.7L DIESEL ENGINES
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic Additive Technology).
TECHNICAL SPECIFICATIONS
216

Chassis
ComponentFluid, Lubricant, or Genuine Part
Automatic Transmission – If Equipped 6.7L Diesel with (Six-Speed
68RFE) – 2500/3500 Pickup models without PTO Only use ATF+4 Automatic Transmission Fluid. Failure to use ATF+4 fluid
may affect the function or performance of your transmission. We recom-
mend Mopar ATF+4 fluid.
Automatic Transmission – If Equipped 6.7L Diesel with (Six-Speed
AS69RC) – Pickup models with PTO and All Chassis Cab models Only use Mopar ASRC Automatic Transmission Fluid or equivalent. Failure
to use the proper fluid may affect the function or performance of your
transmission.
Transfer Case We recommend you use Mopar BW44–44 Transfer Case Fluid.
Front and Rear Axle Fluid (2500/3500) We recommend you use SAE 75W-85 HD Ram GL-5 Synthetic Axle
Lubricant. Limited slip additive is not required for Limited-Slip Rear
Axles.
Front and Rear Axle Fluid (4500/5500) We recommend you use GL-5 SAE 75W-90 Synthetic (MS-9763). Limited
slip additive is not required for Limited-Slip Rear Axles.
Clutch Linkage We recommend you use Mopar Multi-Purpose Grease, NLGI Grade 2 E.P.
or equivalent.
Manual Transmission (G-56) – If Equipped We recommend you use Mopar ATF+4 Automatic Transmission Fluid or
equivalent licensed ATF+4 product.
TECHNICAL SPECIFICATIONS
218

Accessories..................219
Mopar ...................219
Adding Fuel ..............138, 139
Additives, Fuel ................139
Adjustable Pedals ...............29
Air Bag Air Bag Operation .............90
Air Bag Warning Light ..........87
Enhanced Accident Response . .94, 171
Event Data Recorder (EDR) ......171
If A Deployment Occurs .........94
Knee Impact Bolsters ..........90
Maintaining Your Air Bag System . . .95
Transporting Pets ............115
Air Bag Light ............61, 87, 116
Air Bag Maintenance .............95
Air Cleaner, Engine (Engine Air Cleaner Filter) .......186
Air Conditioning Filter ............44
Air Conditioning, Operating Tips ......44
Air Conditioning System ...........43
Air Filter ...................186
Air Pressure, Tires ..............200
Alarm, Panic ..................15
Alarm (Security Alarm) .........17, 63 Alarm System (Security Alarm)
.......17
Antifreeze (Engine Coolant) Capacities ................213
Anti-Lock Warning Light ...........66
Audio Jack ..................257
Automatic Headlights ............33
Automatic High Beams ...........32
Automatic Temperature Control (ATC) . . .43
Automatic Transmission Fluid Type ............216, 218
Shifting .................129
Axle Fluid ...............216, 218
Back-Up ...................136
Back-Up Camera ..............136
Battery .....................62
Charging System Light .........62
Belts, Seat ..................116
Body Builders Guide ..............2
B-Pillar Location ..............196
Brake Fluid ................. .216
Brake

System
Warning Light ...............61
Brake/Transmission Interlock .......129
Bulb Replacement .............154 Bulbs, Light
..............118, 154
Camera ....................136
Camera, Rear ................136
Capacities, Antifreeze (Engine Coolant) .............213
Capacities, Fluid ..............213
Caps, Filler Oil (Engine) ...............184
Carbon Monoxide Warning .........115
Cargo Light ...................34
Changing A Flat Tire ............160
Chart, Tire Sizing ..............192
Checking Your Vehicle For Safety . . . .115
Checks, Safety ................115
Child Restraint ................96
Child Restraints Booster Seats ...............99
Child Restraints ..............96
Child Seat Installation .....107, 109
How To Stow An Unused
ALR Seat Belt ..............106
Infants And Child Restraints ......97
Locating The LATCH Anchorages . .104
INDEX
289