2020 Ram 3500 spark plugs

388SERVICING AND MAINTENANCE
Additional Maintenance
Replace cabin air filter. XX X XX XX
Replace engine air filter. XX XXX
Replace spark plugs.
1X
Flush and replace the engine coolant
at 10 years or 150,000 miles
(240,000 km) whichever comes first. X
X
Inspect the transfer case fluid, change
for any of the following: police, taxi,
fleet, or frequent trailer towing. X
X
Change the transfer case fluid. X
Inspect and replace PCV valve if
necessary. X
1. The spark plug change interval is mileage based only, yearly intervals do not apply.
Mileage or time passed (whichever
comes first)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000

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TECHNICAL SPECIFICATIONS461
FLUIDS AND LUBRICANTS — GAS ENGINE
ENGINE
Component Fluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use Mopar Antifreeze/Coolant 10 Year/150,000
Mile (240,000 km) Formula OAT (Organic Additive Technology).
Engine Oil – 6.4L For best performance and maximum protection under all types of
operating conditions, the manufacturer only recommends full synthetic
engine oils that meet the American Petroleum Institute (API) categories of
SN. The manufacturer recommends the use of Pennzoil Ultra 0W-40 or
equivalent Mopar engine oil meeting the requirements of FCA Material
Standard MS-12633 for use in all operating temperatures.
Engine Oil Filter We recommend you use Mopar brand Engine Oil Filters.
Spark Plugs We recommend you use Mopar Spark Plugs.
Fuel Selection – 6.4L Engines 89 Octane Recommended - 87 Octane Acceptable (R+M)/2, 0-15%
Ethanol (Do not use E-85).
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559
Memory
....................................................... 31Power.......................................................... 35Rear Folding................................................ 33Reclining Rear............................................. 34Tilting.......................................................... 33Security Alarm........................................ 25, 132Selection Of Coolant (Antifreeze)......... 461, 464Sentry Key Key Programming........................................ 24Sentry Key (Immobilizer).................................. 23Sentry Key Replacement................................. 24Service Assistance......................................... 548Service Contract............................................ 549Service Manuals............................................ 551Shift Lever Override....................................... 377Shifting.......................................................... 233Automatic Transmission.................. 235, 239Transfer Case............................................ 255Transfer Case, Shifting Into Transfer Case Neutral (N)................................... 341Transfer Case, Shifting Out Of Transfer Case Neutral (N)................................... 342Side Steps, Power............................................ 27Signals, Turn..................................51, 141, 212Siri................................................................. 545Sliding Rear Window, Power............................ 71Snow Chains (Tire Chains)............................. 443Snow Plow..................................................... 336Snow Tires..................................................... 440Spare Tires.......................................... 441, 442
Spark Plugs................................................... 461Speed ControlAccel/Decel.............................................. 281Cancel...................................................... 281Resume.................................................... 281Speed Control (Cruise Control)............ 280, 282Stabilizer/Sway Bar System.......................... 260Starting....................................... 213, 214, 217Automatic Transmission.................. 213, 217Button......................................................... 17Cold Weather............................................ 217Engine Block Heater........................ 220, 229Engine Fails To Start................................. 216Starting And Operating.................................. 214Starting Procedures............................. 214, 217Starting Procedures (Diesel Engines)........... 217Starting Procedures (Gas Engines)............... 213SteeringTilt Column.................................................. 41Wheel, Heated............................................. 41Wheel, Tilt.................................................... 41Steering Wheel Audio Controls..................... 537Steering Wheel Mounted Sound System
Controls........................................................ 537Steps, Power Side............................................ 27Storage............................................................ 81Storage Compartment, Center Seat................. 81Storage, Vehicle......................................68, 447Storing Your Vehicle...................................... 447Sun Roof................................................... 72, 73
Sunglasses Storage.........................................90Sunshade Operation........................................73Sway Control, Trailer..................................... 153Synthetic Engine Oil...................................... 403
T
Tailgate............................................................98Tailgate, Electronic Lowering...........................74Telescoping Steering Column...........................41Temperature Control, Automatic (ATC).............67TiltDown...........................................................35Up................................................................35Tilt Steering Column.........................................41Tip Start............................................... 213, 218Tire And Loading Information Placard........... 433Tire Markings................................................ 429Tire Safety Information.................................. 429Tires.................................. 212, 435, 441, 446Aging (Life Of Tires)................................... 439Air Pressure.............................................. 435Chains...................................................... 443Compact Spare......................................... 441Dual................................................. 445, 452General Information........................ 435, 441High Speed............................................... 437
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