2004 Jeep Wrangler Owners Manual

234
MAINTAINING YOUR VEHICLE
Crankcase Emission Control System
WARN ING!
Prop er  operation   of  this   system   depend s  on   freed om
from  sticking   or  plugging   due   to  deposits.   As vehicle
mileage   builds   up,  the  PCV   valve  and   passages   may
accumulate   deposits.  If  a valve  is not  working   prop erly,
rep lace  it  with  a  new   valve.  DO  NOT  ATTEMPT  TO
CLEAN  THE OLD  PCV VALVE!
The  air clean er  can provid  e protection   in  the case  of
engin e   backfire.    Do  not   rem ove   the   air   clean er
unless   it   is  necessary    for  rep air   or  main ten ance.
Make  sure   that  no  one  is near   the  engin e  compart-
ment  before  startin  g the  veh icle with  the  air  clean er
rem oved .  Failu re  to   do  so   can   resu lt  in   seriou s
person al  injury.
Check   ventilation    hose   for  ind ication   of  damage    or
plugging   deposits.  Replace  if necessary.
Fuel Filter
Maintenance-Free Battery
A plugged   fuel filter  can cause  hard  starting   or limit  the
speed   at  which    a  vehicle   can  be   driven.   Shou ld  an
excessive  amount    of dirt   accumulate   in  the   fuel  tank,
frequ ent rep lacem ent of the  fuel  filter which  is  mounted
in the  fuel  tank  may be  necessary.
Your vehicle  is equ ipped with  a maintenance-free   battery.
You will  never  have  to  add  water,  nor  is period ic main-
tenance  requ ired .
WARN ING!
Engine Air Cleaner Filter
Und er norm al driving   cond itions, rep lace the  air filter  at
the  intervals   show n  on  “Maintenance   Sched ule  A.”  If,
how ever, you drive  the  vehicle frequ ently  und er dusty  or
severe  cond itions, the  filter  elem ent shou ld be  insp ected
period ically  and   rep laced  if  necessary   at  the  intervals
show n on  “Maintenance   Sched ule B.”
Battery  posts,  term inals,  and  related  accessories   con-
tain  lead  and  lead  compounds.    Alw ays wash   hands
after  handlin  g the  battery.
Product Specification
CategoriesJeep Manuals, Jeep Wrangler Manuals
Model Year2004
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- 299 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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