213
Visually inspect
condition of: exterior
bodywork, underbody
protection, pipes and
hoses (exhaust - fuel
system - brakes), rubber
elements (boots,
sleeves, bushings, etc.).X X X X X X X X X X
Inspect the front
suspension, rear
suspension, tie rod ends
and boot seals, replace
if necessary. X
X X XXX
Inspect the front and
rear axle fluid, change if
using your vehicle for
police, taxi, fleet,
offroad or frequent
trailer towing. X
X X XX
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: 12 24 36 48 60 72 84 96 108 120 132 144 156 168 180 192 204 216 228 240
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
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215
* See “Severe Duty Conditions” in this
section.
** DOT 4 brake fluid is time based only;
mileage intervals do not apply.*** The spark plug change interval is
mileage based only, yearly intervals do not
apply.
**** This maintenance is recommended by
the manufacturer to the owner, but is not
required to maintain emissions warranty.
Replace accessory drive
belt(s).
X
Flush and replace the
engine coolant at 10
years or 150,000 miles
(240,000 km) whichever
comes first.
X
X
Change transfer case fluid
if using your vehicle for
any of the following:
police, taxi, fleet, or
frequent trailer towing.
X
X
Inspect and replace PCV
valve if necessary. **** X
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: 12 24 36 48 60 72 84 96 108 120 132 144 156 168 180 192 204 216 228 240
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
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book Page 215
SERVICING AND MAINTENANCE
216
Severe Duty Conditions
Change the engine oil and engine oil filter at
every 4,500 miles (7,500 km) or 6 months
if using your vehicle under any of the
following severe duty conditions:
Stop and go driving.
Driving in dusty conditions.
Short trips of less than 10 miles (16 km).
Trailer towing.
Taxi, police, or delivery service (commer-
cial service).
Off-road or desert operation.
Scheduled Servicing — Diesel Engine
Your vehicle is equipped with an automatic
oil change indicator system. The oil change
indicator system will remind you that it is
time to take your vehicle in for engine oil
replacement.
On vehicles equipped with instrument
cluster display, “Oil Change Required” will
be displayed and a single chime will sound,
indicating that an oil change is necessary.
On non-instrument cluster display equipped
vehicles, “Change Oil” will flash in the
instrument cluster odometer and a single
chime will sound, indicating that an oil
change is necessary.
Based on engine operation conditions, the oil
change indicator message will illuminate. This
means that service is required for your vehicle.
Operating conditions such as frequent
short-trips, trailer tow, extremely hot or cold
ambient temperatures will influence when the
“Oil Change Required” message is displayed. Severe Operating Conditions can cause the
change oil message to illuminate as earlier than
specified. Have your vehicle serviced as soon
as possible, within the next 500 miles
(805 km).
NOTE:
The actual interval for changing engine oil
and replacing the engine oil filter depends
on the vehicle usage conditions, and is
signaled by the warning light or message
in the instrument panel. In any case, it
must never exceed 12,500 miles
(20,000 km) or 1 year
Flush and replace the engine coolant at
120 months or 150,000 miles (240,000 km)
whichever comes first.
The maximum mileage is 75,000 mi
(120,000 km). The belt must be replaced
every 5 years regardless of distance trav-
eled. The timing and accessory belts must be
changed every 37,500 miles (60,000 km) or
3 years for particularly demanding use
(dusty areas, severe weather conditions,
very low or very high temperatures for
extended periods, city driving, long periods
of idling). Under no circumstances should
these intervals be exceeded.
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 compe-
tent mechanic.
Failure to properly inspect and maintain
your vehicle could result in a component
malfunction and effect vehicle handling
and performance. This could cause an
accident.
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book Page 216
SERVICING AND MAINTENANCE
234
Tire Pressures For High Speed Operation
The manufacturer advocates driving at safe
speeds and within posted speed limits.
Where speed limits or conditions are such
that the vehicle can be driven at high speeds,
maintaining correct tire inflation pressure is
very important. Increased tire pressure and
reduced vehicle loading may be required for
high-speed vehicle operation. Refer to an
authorized tire dealer or original equipment
vehicle dealer for recommended safe oper-
ating speeds, loading and cold tire inflation
pressures.
Radial Ply Tires
Tire Repair
If your tire becomes damaged, it may be
repaired if it meets the following criteria:
The tire has not been driven on when flat.
The damage is only on the tread section of
your tire (sidewall damage is not repairable).
The puncture is no greater than a ¼ of an
inch (6 mm).
Consult an authorized tire dealer for tire
repairs and additional information.
Damaged Run Flat tires, or Run Flat tires
that have experienced a loss of pressure
should be replaced immediately with another
Run Flat tire of identical size and service
description (Load Index and Speed Symbol).
Replace the tire pressure sensor as well as it
is not designed to be reused.
Run Flat Tires — If Equipped
Run Flat tires allow you the capability to
drive 50 miles (80 km) at 50 mph (80 km/h)
after a rapid loss of inflation pressure. This
rapid loss of inflation is referred to as the
Run Flat mode. A Run Flat mode occurs
when the tire inflation pressure is of/or below
14 psi (96 kPa). Once a Run Flat tire reaches
the run flat mode it has limited driving capa -
bilities and needs to be replaced immedi -
ately. A Run Flat tire is not repairable. When
a run flat tire is changed after driving with
underinflated tire condition, please replace
the TPM sensor as it is not designed to be
reused when driven under run flat mode 14
psi (96 kPa) condition.
NOTE:
TPM Sensor must be replaced after driving
the vehicle on a flat tire condition.
It is not recommended driving a vehicle
loaded at full capacity or to tow a trailer
while a tire is in the run flat mode.
See the tire pressure monitoring section for
more information.
WARNING!
High speed driving with your vehicle under
maximum load is dangerous. The added
strain on your tires could cause them to
fail. You could have a serious collision. Do
not drive a vehicle loaded to the maximum
capacity at continuous speeds above
75 mph (120 km/h).
WARNING!
Combining radial ply tires with other types
of tires on your vehicle will cause your
vehicle to handle poorly. The instability
could cause a collision. Always use radial
ply tires in sets of four. Never combine
them with other types of tires.
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book Page 234
259
Off Road & Performance:
• Bumpers• Performance Brakes• Rock Rails
• Winches • Axle Locker Kit• Grille Guard
• Performance Axles • Differential Covers• Spare Tire Carrier
• Performance Hoods • LED Off Road Lights• Fender Flares
• Lift Kits • Skid Plates• Tailgate Reinforcement
Exterior:
• Wheels • Hood Lock• Front End Cover
• Spare Tire Covers • Wheel Locks• Parking Cover
• Fuel Doors • Trailer Hitches• LED Lights
• Air Deflectors • Body Graphics• Valve Stem Caps
• Locking Gas Cap • Hood Graphics• Ski And Snowboard Carriers
• Tubular Steps • Satin Black Grille• Roof Basket
• Molded Side Steps • Camping Tent• Roof Basket Net
• Windshield Tie Down Strap • Hood Cover• Towing Kit
• Splash Guards
Interior:
• Hard Top Headliner • Door Sill Guards• Trailrail Cargo Rail
• Premium Carpet Floor Mats • Storage Bags• Trailrail Vertical Cargo Divider
• All Weather Floor Mats • Cargo Tub• Tailgate Table
• Radio Screen Protector • Cargo Tray• Dog Kennel
• Grab Handles • Cargo Net• Dog Partition
Electronics:
• Electronic Vehicle Tracking System
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book Page 259
325
Speed ControlAccel/Decel (ACC Only) ................... 159
Cancel .......................................... 158
Resume......................................... 158
Speed Control (Cruise Control) .... 157 , 158
Speed Limiter, Active ......................... 156
Starting ............................................ 138 Button ............................................ 12
Remote ........................................... 14
Starting And Operating ....................... 138
Starting Procedures ........................... 138
Steering .............................................. 31 Tilt Column ..................................... 31
Wheel, Heated ................................. 31
Wheel, Tilt....................................... 31
Steering Wheel Audio Controls ............ 279
Steering Wheel Mounted Sound System
Controls ............................................ 279
Stop/Start ......................................... 153
Storage, Vehicle .......................... 45 , 241
Storing Your Vehicle........................... 241
Stuck, Freeing ................................... 206
Sun Roof ............................................ 53
Sway Bar Disconnect Electronic ...................................... 152
Sway Control, Trailer ............................ 86
Swing Gate, Rear ................................. 55
System, Remote Starting ...................... 14 T
Telescoping Steering Column................ 31
Temperature Control, Automatic (ATC) .. 44
Text Messages ................................... 292
Tilt Steering Column ............................ 31
Tip Start ........................................... 141
Tires ......................... 137
, 232 , 237 , 238
Aging (Life Of Tires) ....................... 235
Air Pressure................................... 232
Chains .......................................... 240
Changing................................192 , 232
Compact Spare .............................. 238
General Information ........ 232 , 237 , 238
High Speed ................................... 234
Inflation Pressure........................... 233
Jacking ......................................... 232
Life Of Tires .................................. 235
Pressure Monitoring System (TPMS) .......................70 , 92
Radial........................................... 234
Replacement ................................. 236
Rotation ........................................ 241
Safety ........................................... 232
Snow Tires .................................... 237
Spare Tires..................... 193 , 237 , 238
Spinning ....................................... 235
Tread Wear Indicators .................... 235 Wheel Nut Torque .......................... 247 To Open Hood......................................55
Top
Dual .......................................... 47 , 53
Freedom ..........................................51
Hard................................................51
Power Sliding ...................................53
Removable ........................... 47 , 51 , 53
Soft ........................................... 47 , 53
Towing ...................................... 175 , 207
Disabled Vehicle .............................207
Recreational...................................176
Weight...........................................175
Towing Behind A Motorhome ...............176
Towing Eyes ......................................208
Trac-Lok Rear Axle .......................................151
Traction Control ...................................87
Traction Control Switch ........................87
Trailer Sway Control (TSC) ....................86
Trailer Towing ....................................175 Trailer And Tongue Weight...............175
Trailer Towing Guide ..........................175
Trailer Weight ....................................175
Transfer Case Fluid .............................................257Four-Wheel-Drive-Operation ..... 146 , 148
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book Page 325