197
10. Finish  tightening  the  lug  nuts.  Pushdown on the wrench while tightening for
increased  leverage.  Alternate  nuts  until
each nut has been tightened twice. Refer
to  “Wheel  And  Tire  Torque  Specifica -
tions”  in  “Technical  Specifications”  for
correct lug nut torque.
11. After  25 miles  (40 km),  check  the  lug nut  torque  with  a  torque  wrench  to
ensure  that  all  lug  nuts  are  properly
seated against the wheel.
12. Remove  the  jack  assembly  and  wheel blocks.
13. Secure the jack and tools in their proper locations.
14. Secure  the  damaged  wheel/tire  on  the spare  tire  carrier.  Torque  down  lug  nuts
and locking lug nut.
15. Return  the  lock bolt  to the  lock  position on  the camera  cover  by  turning  the  lock
clockwise  using  the  provided  #40 Torx
head  driver  and  ratchet.  Then,  reinstall
the  camera  cover  by  slipping  it  over  the
camera/tire  carrier  until  it  snaps  into
place.
Road Tire Installation
1. Mount the road tire on the axle.
2. Install  the  remaining  lug  nuts  with  thecone  shaped  end  of  the  nut  toward  the
wheel. Lightly tighten the lug nuts. 3. Lower  the  vehicle  to  the  ground  by
turning  the  jack  handle  counterclock -
wise.
4. Finish  tightening  the  lug  nuts.  Push down  on  the  wrench  while  at  the  end  of
the  handle  for  increased  leverage.
Tighten  the  lug  nuts  in  a  star  pattern
until each nut has been tightened twice.
For  the  correct  lug  nut  torque  refer  to
“Wheel  And  Tire  Torque  Specifications”
in “Technical Specifications”. If in doubt
about  the  correct  tightness,  have  them
checked  with  a  torque  wrench  by  an
authorized dealer or service station.
5. After  25 miles  (40 km),  check  the  lug nut  torque  with  a  torque  wrench  to
ensure  that  all  lug  nuts  are  properly
seated against the wheel.
 WARNING!
A  loose  tire  or  jack  thrown  forward  in  a
collision  or  hard  stop,  could  endanger  the
occupants  of  the  vehicle.  Always  stow  the
jack  parts  and the spare  tire  in  the  places
provided.
 WARNING!
To  avoid  the  risk  of  forcing  the  vehicle  off
the  jack,  do  not  tighten  the  wheel  nuts
fully  until  the  vehicle  has  been  lowered.
Failure to follow this warning may result in
serious injury.
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book  Page 197   
         
        
        TECHNICAL SPECIFICATIONS
248
Tighten  the  lug  nuts/bolts  in  a  star  pattern
until each nut/bolt has been tightened twice.
Ensure  that  the  socket  is  fully  engaged  on
the lug nut/bolt (do not insert it halfway).Torque Patterns
After  25 miles  (40 km),  check  the  lug  nut/
bolt  torque  to  be  sure  that  all  the  lug  nuts/
bolts are properly seated against the wheel.WHEELS
Refer to the tire placard label located on the
door sill of the vehicle or to the Registration
Document  for  the  tire  size  and  pressure.
Refer  to  “Tires”  in  “Servicing  And  Mainte -
nance” chapter for further information.
WEIGHTS
For  further  information  refer  to  “Vehicle
Loading”  in  the  “Starting  And  Operating”
chapter.
FUEL REQUIREMENTS — 
GASOLINE ENGINE   
2.0L Engine
This engine is designed to meet all emission
regulations,  and  provide  satisfactory  fuel
economy  and  performance  when  using
high-quality unleaded gasoline with a recom -
mended RON of 95.
While  operating  on  gasoline  with  the
required  octane  number,  hearing  a  light
knocking  sound  from  the  engine  is  not  a
cause for concern. However, if the engine is
heard  making  a  heavy  knocking  sound,  see
your  dealer  immediately.  Use  of  gasoline
with  a  lower  than  recommended  octane
number  can  cause  engine  failure  and  may
void  or  not  be  covered  by  the  New  Vehicle
Limited Warranty.
Poor  quality  gasoline  can  cause  problems
such  as  hard  starting,  stalling,  and  hesita -
tions. If you experience these symptoms, try
another brand of gasoline before considering
service for the vehicle.
 WARNING!
To  avoid  the  risk  of  forcing  the  vehicle  off
the  jack,  do  not  tighten  the  lug  nuts/bolts
fully  until  the  vehicle  has  been  lowered.
Failure to follow this warning may result in
personal injury.
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book  Page 248