2020 DODGE CHALLENGER spark plugs replace

236SERVICING AND MAINTENANCE
Inspect the rear axle fluid. Inspect
the front axle fluid (All Wheel Drive
Only). X
XX X X XX
Inspect the manual transmission
fluid (if equipped). X
XX X X XX
Inspect the brake linings, replace as
necessary. X
XX X X XX
Adjust parking brake on vehicles
equipped with four wheel disc
brakes. X
XX X X XX
Inspect transfer case fluid (All Wheel
Drive Only). X
X X X X
Additional Maintenance
Replace engine air cleaner filter. XX X X X
Replace cabin/air conditioning filter. X XX X X XX
Replace spark plugs.
1X
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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244SERVICING AND MAINTENANCE
Inspect and replace
the PCV Valve if
necessary X
Replace the spark
plugs — 6.2L
Engine
2X X
Replace the spark
plugs — 6.4L
Engine
3X
Flush and replace
the engine coolant
at 120 months
if not done at
150,000 miles
(240,000 km). X
X
1. For race track usage it is recommended that the axle fluid be changed every 4 hours of on track time.
2. The spark plug change interval is mileage based only, yearly intervals do not apply.
3. The spark plug change interval is mileage based only, yearly intervals do not apply.
Miles:6,000
12,000
18,000
24,000
30,000
36,000
42,000
48,000
54,000
60,000
66,000
72,000
78,000
84,000
90,000
96,000
102,000
108,000
114,000
120,000
126,000
132,000
138,000
144,000
150,000

Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126 132 138 144 150

Or Kilometers:
10,000
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
160,000
170,000
180,000
190,000
200,000
210,000
220,000
230,000
240,000
250,000

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387
Seats
.......................................... 29, 31, 32, 34Adjustment........................................... 29, 31Head Restraints................................... 34, 35Heated........................................................ 32Height Adjustment....................................... 31Power.......................................................... 31Rear Folding......................................... 29, 30Seatback Release................................ 29, 30Tilting............................................ 29, 31, 34Vented......................................................... 33Ventilated.................................................... 33Security Alarm.......................................... 23, 84Arm The System.......................................... 23Selection Of Coolant (Antifreeze)......... 299, 302Sentry Key Key Programming........................................ 22Sentry Key (Immobilizer).................................. 21Sentry Key Replacement.......................... 16, 22Service Assistance......................................... 376Service Contract............................................ 377Service Manuals............................................ 379Shift Indicator Light....................................... 158Shifting.......................................................... 158Automatic Transmission.................. 158, 160Shoulder Belts............................................... 115Side View Mirror Adjustment........................... 39Signals, Turn.................................... 43, 89, 147Siri................................................................. 373
Sirius Satellite Radio..................................... 343Favorites................................................... 345Replay...................................................... 345SiriusXM Satellite RadioBrowse in SXM......................................... 345Favorites................................................... 345Replay...................................................... 345Snow Chains (Tire Chains)................... 284, 285Snow Tires.................................................... 281Spare Tires................................. 216, 281, 282Spark Plugs.......................................... 299, 302SpecificationsFuel (Gasoline)................................ 299, 302Oil.................................................... 299, 302Speed ControlAccel/Decel..................................... 167, 168Cancel...................................................... 168Resume.................................................... 168Set............................................................ 167Speed Control (Cruise Control)... 166, 167, 169Sport Mode................................................... 165Starting................................................ 148, 149Automatic Transmission........................... 148Button......................................................... 17Cold Weather............................................ 151Engine Fails To Start................................. 152Starting And Operating......................... 148, 149Starting Procedures............................. 148, 149Steering........................................................... 37Column Lock................................................ 37
Power........................................................ 166Tilt Column...................................................37Wheel, Heated.............................................38Wheel, Tilt....................................................37Steering Wheel Audio Controls...................... 367Steering Wheel Mounted Sound
System Controls............................................ 367Storage.................................................. 64, 287Storage, Vehicle..................................... 53, 287Store Radio Presets...................................... 343Storing Your Vehicle...................................... 287Stuck, Freeing............................................... 231Sun Roof...................................................55, 57Supplemental Restraint System – Air Bag.... 122Synthetic Engine Oil...................................... 254
T
Telescoping Steering Column...........................37Temperature Control, Automatic (ATC).............52Tilt Steering Column.........................................37Time DelayHeadlight.....................................................42Tire And Loading Information Placard........... 273Tire Markings................................................ 269Tire Safety Information.................................. 269Tire Service Kit......... 220, 221, 223, 225, 226Tires.................................. 147, 276, 281, 286Aging (Life Of Tires)................................... 279Air Pressure.............................................. 276Chains............................................. 284, 285
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